cgroup_release_agent() hung task warnings
From: Tommi Rantala
Date: Sat Mar 02 2013 - 14:23:08 EST
Hello,
I'm seeing the following hung task warnings when fuzzing the kernel
with trinity (in a qemu virtual machine, as the root user), that I
have not seen before with 3.8 or earlier. The kernel is
b0af9cd9aab60ceb17d3ebabb9fdf4ff0a99cf50 (Merge tag
'lzo-update-signature-20130226' of
git://github.com/markus-oberhumer/linux).
Case 1:
# ./trinity -q -l off -C20 --dangerous -c ioctl -V /dev
Trinity v1.1 Dave Jones <davej@xxxxxxxxxx>
[2357] Marking 64-bit syscall 16 (ioctl) as enabled
[2357] Marking 32-bit syscall 54 (ioctl) as enabled
Enabling syscall ioctl
DANGER: RUNNING AS ROOT.
Unless you are running in a virtual machine, this could cause serious
problems such as overwriting CMOS
or similar which could potentially make this machine unbootable
without a firmware reset.
ctrl-c now unless you really know what you are doing.
Initial random seed from time of day: 4168443421
[2358] Watchdog is alive
[2357] Started watchdog process, PID is 2358
[2359] Main thread is alive.
Generating file descriptors
Added 79 filenames from /dev
[2359] Random reseed: 1227042961
[ 26.657193] vmalloc: allocation failure: 2348897621 bytes
[ 26.658473] trinity-child2: page allocation failure: order:0, mode:0x430
[ 26.659752] Pid: 2379, comm: trinity-child2 Not tainted 3.8.0+ #93
[ 26.660913] Call Trace:
[ 26.661402] [<ffffffff811591b0>] warn_alloc_failed+0x110/0x140
[ 26.662568] [<ffffffff816a31be>] ? copy_params+0x9e/0x1b0
[ 26.663605] [<ffffffff8118a059>] __vmalloc_node_range+0x249/0x270
[ 26.664752] [<ffffffff816a19e0>] ? __dev_status+0x120/0x120
[ 26.665799] [<ffffffff8118a0b0>] __vmalloc_node+0x30/0x40
[ 26.666921] [<ffffffff816a31be>] ? copy_params+0x9e/0x1b0
[ 26.668022] [<ffffffff8118a0dd>] __vmalloc+0x1d/0x20
[ 26.668947] [<ffffffff816a31be>] copy_params+0x9e/0x1b0
[ 26.669991] [<ffffffff810f3548>] ? trace_hardirqs_off_caller+0x28/0xd0
[ 26.671214] [<ffffffff816a19e0>] ? __dev_status+0x120/0x120
[ 26.672324] [<ffffffff816a3410>] ctl_ioctl+0x140/0x250
[ 26.673357] [<ffffffff816a352e>] dm_ctl_ioctl+0xe/0x20
[ 26.674392] [<ffffffff811b9542>] do_vfs_ioctl+0x532/0x580
[ 26.675406] [<ffffffff81306ce3>] ? file_has_perm+0x83/0xa0
[ 26.676428] [<ffffffff811b95ed>] sys_ioctl+0x5d/0xa0
[ 26.677431] [<ffffffff81362c9e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 26.678671] [<ffffffff81cdcea9>] system_call_fastpath+0x16/0x1b
[ 26.679855] Mem-Info:
[ 26.680305] Node 0 DMA per-cpu:
[ 26.680970] CPU 0: hi: 0, btch: 1 usd: 0
[ 26.681874] Node 0 DMA32 per-cpu:
[ 26.682523] CPU 0: hi: 186, btch: 31 usd: 76
[ 26.683481] active_anon:4346 inactive_anon:736 isolated_anon:0
[ 26.683481] active_file:1737 inactive_file:6374 isolated_file:0
[ 26.683481] unevictable:0 dirty:96 writeback:0 unstable:0
[ 26.683481] free:473192 slab_reclaimable:2697 slab_unreclaimable:9949
[ 26.683481] mapped:3777 shmem:747 pagetables:346 bounce:0
[ 26.683481] free_cma:0
[ 26.689665] Node 0 DMA free:15904kB min:352kB low:440kB high:528kB
active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB
managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB
shmem:0kB slab_reclaimable:0kB slab_unreclaimable:4kB kernel_stack:0kB
pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB
pages_scanned:0 all_unreclaimable? no
[ 26.696774] lowmem_reserve[]: 0 1958 1958 1958
[ 26.697709] Node 0 DMA32 free:1876864kB min:44700kB low:55872kB
high:67048kB active_anon:17384kB inactive_anon:2944kB
active_file:6948kB inactive_file:25496kB unevictable:0kB
isolated(anon):0kB isolated(file):0kB present:2080760kB
managed:2005844kB mlocked:0kB dirty:384kB writeback:0kB mapped:15108kB
shmem:2988kB slab_reclaimable:10788kB slab_unreclaimable:39792kB
kernel_stack:760kB pagetables:1384kB unstable:0kB bounce:0kB
free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[ 26.705494] lowmem_reserve[]: 0 0 0 0
[ 26.706391] Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 2*64kB (U)
1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M)
= 15904kB
[ 26.710256] Node 0 DMA32: 2*4kB (UE) 1*8kB (M) 1*16kB (M) 1*32kB
(E) 3*64kB (UEM) 1*128kB (U) 2*256kB (UE) 0*512kB 2*1024kB (UE)
1*2048kB (U) 457*4096kB (MR) = 1876864kB
[ 26.714900] 8857 total pagecache pages
[ 26.722071] 524285 pages RAM
[ 26.722885] 17748 pages reserved
[ 26.723748] 282120 pages shared
[ 26.724562] 23832 pages non-shared
[ 26.797417] program trinity-child6 is using a deprecated SCSI
ioctl, please convert it to SG_IO
[ 27.170430] device-mapper: ioctl: Unable to rename non-existent device, to â
[watchdog] 4164 iterations. [F:3982 S:181]
[ 28.706283] trinity-child17 invoked oom-killer: gfp_mask=0x280da,
order=0, oom_score_adj=0
[ 28.708366] trinity-child17 cpuset=/ mems_allowed=0
[ 28.709412] Pid: 2398, comm: trinity-child17 Not tainted 3.8.0+ #93
[ 28.710799] Call Trace:
[ 28.711283] [<ffffffff81cc743a>] dump_header.isra.6+0x74/0x229
[ 28.712388] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 28.713759] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 28.714956] [<ffffffff8135b9bc>] ? ___ratelimit+0x10c/0x150
[ 28.716028] [<ffffffff81157274>] oom_kill_process+0x84/0x360
[ 28.717213] [<ffffffff81157d36>] out_of_memory+0x5d6/0x660
[ 28.718261] [<ffffffff8115ccbd>] __alloc_pages_nodemask+0x6ed/0x950
[ 28.719501] [<ffffffff81060339>] ? sched_clock+0x9/0x10
[ 28.720513] [<ffffffff81192adf>] alloc_pages_vma+0xef/0x160
[ 28.721633] [<ffffffff8117acd5>] handle_pte_fault+0x185/0x460
[ 28.722843] [<ffffffff81089954>] ? __do_page_fault+0x1d4/0x4d0
[ 28.724180] [<ffffffff8117b945>] handle_mm_fault+0x2b5/0x2e0
[ 28.725324] [<ffffffff81089bf8>] __do_page_fault+0x478/0x4d0
[ 28.726492] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 28.727770] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 28.729062] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 28.730212] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 28.731418] [<ffffffff810cbb00>] ? finish_task_switch+0x80/0x120
[ 28.732554] [<ffffffff810cbac3>] ? finish_task_switch+0x43/0x120
[ 28.733764] [<ffffffff81362cdd>] ? trace_hardirqs_off_thunk+0x3a/0x3c
[ 28.735068] [<ffffffff81089c79>] do_page_fault+0x9/0x10
[ 28.736050] [<ffffffff81083a3c>] do_async_page_fault+0x4c/0xa0
[ 28.737250] [<ffffffff81cdc878>] async_page_fault+0x28/0x30
[ 28.738302] Mem-Info:
[ 28.738803] Node 0 DMA per-cpu:
[ 28.739648] CPU 0: hi: 0, btch: 1 usd: 0
[ 28.740706] Node 0 DMA32 per-cpu:
[ 28.741406] CPU 0: hi: 186, btch: 31 usd: 30
[ 28.742288] active_anon:24323 inactive_anon:735 isolated_anon:0
[ 28.742288] active_file:0 inactive_file:7 isolated_file:0
[ 28.742288] unevictable:0 dirty:17 writeback:0 unstable:0
[ 28.742288] free:7576 slab_reclaimable:2150 slab_unreclaimable:11082
[ 28.742288] mapped:682 shmem:753 pagetables:563 bounce:0
[ 28.742288] free_cma:0
[ 28.748217] Node 0 DMA free:8008kB min:352kB low:440kB high:528kB
active_anon:108kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB
managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB
shmem:0kB slab_reclaimable:0kB slab_unreclaimable:4kB kernel_stack:0kB
pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB
pages_scanned:0 all_unreclaimable? yes
[ 28.755739] lowmem_reserve[]: 0 1958 1958 1958
[ 28.756772] Node 0 DMA32 free:22296kB min:44700kB low:55872kB
high:67048kB active_anon:97184kB inactive_anon:2940kB active_file:0kB
inactive_file:28kB unevictable:0kB isolated(anon):0kB
isolated(file):0kB present:2080760kB managed:2005844kB mlocked:0kB
dirty:68kB writeback:0kB mapped:2728kB shmem:3012kB
slab_reclaimable:8600kB slab_unreclaimable:44324kB kernel_stack:920kB
pagetables:2252kB unstable:0kB bounce:0kB free_cma:0kB
writeback_tmp:0kB pages_scanned:49 all_unreclaimable? yes
[ 28.767079] lowmem_reserve[]: 0 0 0 0
[ 28.768173] Node 0 DMA: 2*4kB (UM) 2*8kB (UM) 1*16kB (U) 1*32kB (U)
0*64kB 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 2*2048kB
(MR) 0*4096kB = 8008kB
[ 28.772815] Node 0 DMA32: 336*4kB (EM) 245*8kB (UEM) 181*16kB (EM)
87*32kB (EM) 62*64kB (UEM) 25*128kB (UEM) 4*256kB (EM) 2*512kB (UE)
0*1024kB 0*2048kB 1*4096kB (R) = 22296kB
[ 28.777490] 785 total pagecache pages
[ 28.784217] 524285 pages RAM
[ 28.785062] 17748 pages reserved
[ 28.786188] 283440 pages shared
[ 28.787027] 494193 pages non-shared
[ 28.787930] [ pid ] uid tgid total_vm rss nr_ptes swapents
oom_score_adj name
[ 28.789933] [ 1419] 0 1419 7374 110 18 0
-1000 systemd-udevd
[ 28.792103] [ 1422] 0 1422 70187 98 91 0
0 systemd-journal
[ 28.794316] [ 1545] 0 1545 6523 65 19 0
0 systemd-logind
[ 28.796517] [ 1547] 81 1547 4843 64 15 0
-900 dbus-daemon
[ 28.798667] [ 1559] 0 1559 1585 31 9 0
0 agetty
[ 28.800699] [ 1593] 0 1593 2198 93 10 0
0 dhcpcd
[ 28.802851] [ 1898] 0 1898 15754 114 37 0
0 login
[ 28.804764] [ 2349] 0 2349 3503 104 12 0
0 bash
[ 28.806658] [ 2354] 0 2354 2944 60 11 0
0 run-ioctl
[ 28.808704] [ 2357] 0 2357 4453 1212 11 0
0 trinity
[ 28.810763] [ 2358] 0 2358 4453 546 10 0
0 trinity-watchdo
[ 28.813071] [ 2359] 0 2359 4484 555 10 0
0 trinity-main
[ 28.815273] [ 2362] 0 2362 7373 113 17 0
0 systemd-udevd
[ 28.817726] [ 2377] 0 2377 6930 2151 15 0
0 trinity-child0
[ 28.819933] [ 2378] 0 2378 6658 2011 14 0
0 trinity-child1
[ 28.822114] [ 2379] 0 2379 6081 1725 13 0
0 trinity-child2
[ 28.824306] [ 2380] 0 2380 5505 1431 12 0
0 trinity-child3
[ 28.826497] [ 2382] 0 2382 4995 1180 11 0
0 trinity-child4
[ 28.828675] [ 2383] 0 2383 11649 4505 24 0
0 trinity-child5
[ 28.830849] [ 2384] 0 2384 7167 2267 15 0
0 trinity-child6
[ 28.833288] [ 2385] 0 2385 10461 3909 22 0
0 trinity-child7
[ 28.835475] [ 2386] 0 2386 11920 4647 25 0
0 trinity-child8
[ 28.837670] [ 2387] 0 2387 8898 3134 19 0
0 trinity-child9
[ 28.839295] [ 2388] 0 2388 6047 1705 13 0
0 trinity-child10
[ 28.841050] [ 2389] 0 2389 5708 1534 12 0
0 trinity-child11
[ 28.842785] [ 2392] 0 2392 7133 2253 15 0
0 trinity-child12
[ 28.844417] [ 2393] 0 2393 5572 1466 12 0
0 trinity-child13
[ 28.846091] [ 2394] 0 2394 5335 1351 12 0
0 trinity-child14
[ 28.847692] [ 2396] 0 2396 4518 940 10 0
0 trinity-child15
[ 28.849685] [ 2397] 0 2397 4484 838 10 0
0 trinity-child16
[ 28.851294] [ 2398] 0 2398 6115 1744 13 0
0 trinity-child17
[ 28.852907] [ 2399] 0 2399 4722 1048 10 0
0 trinity-child18
[ 28.854453] Out of memory: Kill process 1545 (systemd-logind) score
0 or sacrifice child
[ 28.855984] Killed process 1545 (systemd-logind) total-vm:26092kB,
anon-rss:256kB, file-rss:4kB
[ 30.482654] trinity-child15 invoked oom-killer: gfp_mask=0x201da,
order=0, oom_score_adj=0
[ 30.484224] trinity-child15 cpuset=/ mems_allowed=0
[ 30.485298] Pid: 2396, comm: trinity-child15 Not tainted 3.8.0+ #93
[ 30.486575] Call Trace:
[ 30.487241] [<ffffffff81cc743a>] dump_header.isra.6+0x74/0x229
[ 30.488297] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 30.489922] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 30.491072] [<ffffffff8135b9bc>] ? ___ratelimit+0x10c/0x150
[ 30.492085] [<ffffffff81157274>] oom_kill_process+0x84/0x360
[ 30.493225] [<ffffffff81157d36>] out_of_memory+0x5d6/0x660
[ 30.494224] [<ffffffff8115ccbd>] __alloc_pages_nodemask+0x6ed/0x950
[ 30.495456] [<ffffffff81192cd4>] alloc_pages_current+0x124/0x150
[ 30.496655] [<ffffffff811532d7>] __page_cache_alloc+0xa7/0xc0
[ 30.498210] [<ffffffff811539e0>] ? __lock_page_or_retry+0xc0/0xc0
[ 30.499805] [<ffffffff8115403d>] filemap_fault+0x2ed/0x460
[ 30.501265] [<ffffffff81177e6f>] __do_fault+0xbf/0x420
[ 30.502717] [<ffffffff8117ae0a>] handle_pte_fault+0x2ba/0x460
[ 30.504242] [<ffffffff81089954>] ? __do_page_fault+0x1d4/0x4d0
[ 30.505962] [<ffffffff8117b945>] handle_mm_fault+0x2b5/0x2e0
[ 30.507405] [<ffffffff81089bf8>] __do_page_fault+0x478/0x4d0
[ 30.508911] [<ffffffff811b9542>] ? do_vfs_ioctl+0x532/0x580
[ 30.510345] [<ffffffff81306ce3>] ? file_has_perm+0x83/0xa0
[ 30.511804] [<ffffffff81362cdd>] ? trace_hardirqs_off_thunk+0x3a/0x3c
[ 30.513443] [<ffffffff81089c79>] do_page_fault+0x9/0x10
[ 30.514907] [<ffffffff81083a3c>] do_async_page_fault+0x4c/0xa0
[ 30.516469] [<ffffffff81cdc878>] async_page_fault+0x28/0x30
[ 30.517950] Mem-Info:
[ 30.518557] Node 0 DMA per-cpu:
[ 30.519442] CPU 0: hi: 0, btch: 1 usd: 0
[ 30.520890] Node 0 DMA32 per-cpu:
[ 30.521790] CPU 0: hi: 186, btch: 31 usd: 1
[ 30.523065] active_anon:24268 inactive_anon:735 isolated_anon:0
[ 30.523065] active_file:11 inactive_file:20 isolated_file:0
[ 30.523065] unevictable:0 dirty:17 writeback:0 unstable:0
[ 30.523065] free:7590 slab_reclaimable:2046 slab_unreclaimable:11016
[ 30.523065] mapped:682 shmem:753 pagetables:547 bounce:0
[ 30.523065] free_cma:0
[ 30.528934] Node 0 DMA free:8008kB min:352kB low:440kB high:528kB
active_anon:108kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB
managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB
shmem:0kB slab_reclaimable:0kB slab_unreclaimable:4kB kernel_stack:0kB
pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB
pages_scanned:0 all_unreclaimable? yes
[ 30.537922] lowmem_reserve[]: 0 1958 1958 1958
[ 30.539308] Node 0 DMA32 free:22352kB min:44700kB low:55872kB
high:67048kB active_anon:96964kB inactive_anon:2940kB active_file:44kB
inactive_file:80kB unevictable:0kB isolated(anon):0kB
isolated(file):0kB present:2080760kB managed:2005844kB mlocked:0kB
dirty:68kB writeback:0kB mapped:2728kB shmem:3012kB
slab_reclaimable:8184kB slab_unreclaimable:44060kB kernel_stack:920kB
pagetables:2188kB unstable:0kB bounce:0kB free_cma:0kB
writeback_tmp:0kB pages_scanned:15654 all_unreclaimable? yes
[ 30.549952] lowmem_reserve[]: 0 0 0 0
[ 30.551092] Node 0 DMA: 2*4kB (UM) 2*8kB (UM) 1*16kB (U) 1*32kB (U)
0*64kB 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 2*2048kB
(MR) 0*4096kB = 8008kB
[ 30.555765] Node 0 DMA32: 328*4kB (UEM) 240*8kB (UEM) 183*16kB
(UEM) 91*32kB (UEM) 64*64kB (EM) 24*128kB (UEM) 6*256kB (UEM) 1*512kB
(E) 0*1024kB 0*2048kB 1*4096kB (R) = 22384kB
[ 30.559529] 785 total pagecache pages
[ 30.564898] 524285 pages RAM
[ 30.565565] 17748 pages reserved
[ 30.566189] 283440 pages shared
[ 30.566774] 494200 pages non-shared
[ 30.567634] [ pid ] uid tgid total_vm rss nr_ptes swapents
oom_score_adj name
[ 30.569095] [ 1419] 0 1419 7374 110 18 0
-1000 systemd-udevd
[ 30.570707] [ 1422] 0 1422 70187 98 91 0
0 systemd-journal
[ 30.572333] [ 1547] 81 1547 4843 64 15 0
-900 dbus-daemon
[ 30.573888] [ 1559] 0 1559 1585 31 9 0
0 agetty
[ 30.575637] [ 1593] 0 1593 2198 93 10 0
0 dhcpcd
[ 30.577523] [ 1898] 0 1898 15754 114 37 0
0 login
[ 30.579208] [ 2349] 0 2349 3503 104 12 0
0 bash
[ 30.580714] [ 2354] 0 2354 2944 60 11 0
0 run-ioctl
[ 30.582314] [ 2357] 0 2357 4453 1212 11 0
0 trinity
[ 30.584212] [ 2358] 0 2358 4453 546 10 0
0 trinity-watchdo
[ 30.585925] [ 2359] 0 2359 4484 555 10 0
0 trinity-main
[ 30.587637] [ 2362] 0 2362 7373 113 17 0
0 systemd-udevd
[ 30.589304] [ 2377] 0 2377 6930 2151 15 0
0 trinity-child0
[ 30.591024] [ 2378] 0 2378 6658 2011 14 0
0 trinity-child1
[ 30.592740] [ 2379] 0 2379 6081 1725 13 0
0 trinity-child2
[ 30.594451] [ 2380] 0 2380 5505 1431 12 0
0 trinity-child3
[ 30.596168] [ 2382] 0 2382 4995 1180 11 0
0 trinity-child4
[ 30.597888] [ 2383] 0 2383 11649 4505 24 0
0 trinity-child5
[ 30.599768] [ 2384] 0 2384 7167 2267 15 0
0 trinity-child6
[ 30.601390] [ 2385] 0 2385 10461 3909 22 0
0 trinity-child7
[ 30.603105] [ 2386] 0 2386 11920 4647 25 0
0 trinity-child8
[ 30.604815] [ 2387] 0 2387 8898 3134 19 0
0 trinity-child9
[ 30.606525] [ 2388] 0 2388 6047 1705 13 0
0 trinity-child10
[ 30.608268] [ 2389] 0 2389 5708 1534 12 0
0 trinity-child11
[ 30.610004] [ 2392] 0 2392 7133 2253 15 0
0 trinity-child12
[ 30.611719] [ 2393] 0 2393 5572 1466 12 0
0 trinity-child13
[ 30.613352] [ 2394] 0 2394 5335 1351 12 0
0 trinity-child14
[ 30.615251] [ 2396] 0 2396 4518 940 10 0
0 trinity-child15
[ 30.617320] [ 2397] 0 2397 4484 838 10 0
0 trinity-child16
[ 30.619522] [ 2398] 0 2398 6115 1744 13 0
0 trinity-child17
[ 30.621754] [ 2399] 0 2399 4722 1048 10 0
0 trinity-child18
[ 30.623670] Out of memory: Kill process 1422 (systemd-journal)
score 0 or sacrifice child
[ 30.625743] Killed process 1422 (systemd-journal)
total-vm:280748kB, anon-rss:288kB, file-rss:104kB
[ 120.594088] INFO: task kworker/0:2:1079 blocked for more than 60 seconds.
[ 120.595877] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 120.598100] kworker/0:2 D ffff88007c518618 0 1079 2 0x00000000
[ 120.599958] ffff88007adc9a38 0000000000000046 ffff88007b0b0000
ffff88007adc9fd8
[ 120.601982] ffff88007adc9fd8 ffff88007adc9fd8 ffff88007c518000
ffff88007b0b0000
[ 120.603994] ffff88007adc9a18 ffff88007adc9b88 ffff88007adc9b90
7fffffffffffffff
[ 120.606003] Call Trace:
[ 120.606684] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 120.607973] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 120.609460] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 120.610932] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 120.612521] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 120.614471] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 120.615957] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 120.617495] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 120.619013] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 120.620613] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 120.622187] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 120.623821] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 120.625374] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 120.626861] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 120.628407] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 120.630183] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 120.631761] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 120.633019] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 120.634479] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 120.635898] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 120.637254] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 120.638644] 2 locks held by kworker/0:2/1079:
[ 120.639724] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 120.641941] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 120.644457] INFO: task systemd-journal:1422 blocked for more than 60 seconds.
[ 120.646439] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 120.648380] systemd-journal D ffff88007bbb2748 0 1422 1 0x00100006
[ 120.650270] ffff8800794f5aa8 0000000000000046 ffff880079500000
ffff8800794f5fd8
[ 120.652320] ffff8800794f5fd8 ffff8800794f5fd8 ffff880078c3a290
ffff880079500000
[ 120.654333] ffff88007bbb2750 ffff880079500000 ffff88007bbb2750
0000000000000002
[ 120.656377] Call Trace:
[ 120.657025] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 120.658299] [<ffffffff81cdb59d>] rwsem_down_failed_common+0x1fd/0x240
[ 120.659948] [<ffffffff81cdb613>] rwsem_down_write_failed+0x13/0x15
[ 120.661779] [<ffffffff81362c03>] call_rwsem_down_write_failed+0x13/0x20
[ 120.663429] [<ffffffff81cd9131>] ? down_write+0x91/0x93
[ 120.664743] [<ffffffff81227fe3>] ? ext4_release_file+0x63/0xc0
[ 120.666205] [<ffffffff810c875e>] ? lg_local_unlock+0x1e/0x40
[ 120.667625] [<ffffffff811bd6cd>] ? dput+0x12d/0x1b0
[ 120.668895] [<ffffffff81227fe3>] ext4_release_file+0x63/0xc0
[ 120.670382] [<ffffffff811a807a>] __fput+0x11a/0x210
[ 120.671645] [<ffffffff811a8179>] ____fput+0x9/0x10
[ 120.672932] [<ffffffff810bcbde>] task_work_run+0x9e/0xc0
[ 120.674365] [<ffffffff8109d86c>] do_exit+0x3ac/0xad0
[ 120.675688] [<ffffffff810f35fd>] ? trace_hardirqs_off+0xd/0x10
[ 120.677459] [<ffffffff810d4dda>] ? local_clock+0x4a/0x70
[ 120.678833] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 120.680410] [<ffffffff8109e054>] do_group_exit+0x84/0xd0
[ 120.681761] [<ffffffff810b0289>] get_signal_to_deliver+0x739/0x810
[ 120.683365] [<ffffffff81178b9b>] ? __pte_alloc+0x9b/0x150
[ 120.684755] [<ffffffff810583b2>] do_signal+0x52/0x570
[ 120.686065] [<ffffffff810f35fd>] ? trace_hardirqs_off+0xd/0x10
[ 120.687580] [<ffffffff810d4dda>] ? local_clock+0x4a/0x70
[ 120.688957] [<ffffffff810f17f8>] ? lock_release_holdtime+0x28/0x170
[ 120.690561] [<ffffffff81cdc5ff>] ? retint_signal+0x11/0x92
[ 120.692192] [<ffffffff810588f7>] do_notify_resume+0x27/0x70
[ 120.693624] [<ffffffff81362c9e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 120.695253] [<ffffffff81cdc63b>] retint_signal+0x4d/0x92
[ 120.696621] 1 lock held by systemd-journal/1422:
[ 120.697799] #0: (&ei->i_data_sem){++++..}, at:
[<ffffffff81227fe3>] ext4_release_file+0x63/0xc0
[ 180.700091] INFO: task kworker/0:2:1079 blocked for more than 60 seconds.
[ 180.701842] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 180.703814] kworker/0:2 D ffff88007c518618 0 1079 2 0x00000000
[ 180.705692] ffff88007adc9a38 0000000000000046 ffff88007b0b0000
ffff88007adc9fd8
[ 180.707998] ffff88007adc9fd8 ffff88007adc9fd8 ffff88007c518000
ffff88007b0b0000
[ 180.710058] ffff88007adc9a18 ffff88007adc9b88 ffff88007adc9b90
7fffffffffffffff
[ 180.712122] Call Trace:
[ 180.712759] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 180.714027] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 180.715487] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 180.716985] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 180.718543] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 180.720290] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 180.721770] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 180.723550] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 180.725031] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 180.726657] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 180.728224] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 180.729821] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 180.731382] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 180.732880] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 180.734396] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 180.735808] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 180.737393] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 180.738904] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 180.740385] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 180.741810] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 180.743190] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 180.744619] 2 locks held by kworker/0:2/1079:
[ 180.745729] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 180.747973] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 180.750502] INFO: task systemd-journal:1422 blocked for more than 60 seconds.
[ 180.752294] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 180.754506] systemd-journal D ffff88007bbb2748 0 1422 1 0x00100006
[ 180.756410] ffff8800794f5aa8 0000000000000046 ffff880079500000
ffff8800794f5fd8
[ 180.758441] ffff8800794f5fd8 ffff8800794f5fd8 ffff880078c3a290
ffff880079500000
[ 180.760469] ffff88007bbb2750 ffff880079500000 ffff88007bbb2750
0000000000000002
[ 180.762520] Call Trace:
[ 180.763172] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 180.764430] [<ffffffff81cdb59d>] rwsem_down_failed_common+0x1fd/0x240
[ 180.766070] [<ffffffff81cdb613>] rwsem_down_write_failed+0x13/0x15
[ 180.767630] [<ffffffff81362c03>] call_rwsem_down_write_failed+0x13/0x20
[ 180.769485] [<ffffffff81cd9131>] ? down_write+0x91/0x93
[ 180.770835] [<ffffffff81227fe3>] ? ext4_release_file+0x63/0xc0
[ 180.772337] [<ffffffff810c875e>] ? lg_local_unlock+0x1e/0x40
[ 180.773785] [<ffffffff811bd6cd>] ? dput+0x12d/0x1b0
[ 180.775057] [<ffffffff81227fe3>] ext4_release_file+0x63/0xc0
[ 180.776503] [<ffffffff811a807a>] __fput+0x11a/0x210
[ 180.777809] [<ffffffff811a8179>] ____fput+0x9/0x10
[ 180.779060] [<ffffffff810bcbde>] task_work_run+0x9e/0xc0
[ 180.780436] [<ffffffff8109d86c>] do_exit+0x3ac/0xad0
[ 180.781726] [<ffffffff810f35fd>] ? trace_hardirqs_off+0xd/0x10
[ 180.783201] [<ffffffff810d4dda>] ? local_clock+0x4a/0x70
[ 180.784567] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 180.786340] [<ffffffff8109e054>] do_group_exit+0x84/0xd0
[ 180.787705] [<ffffffff810b0289>] get_signal_to_deliver+0x739/0x810
[ 180.789293] [<ffffffff81178b9b>] ? __pte_alloc+0x9b/0x150
[ 180.790682] [<ffffffff810583b2>] do_signal+0x52/0x570
[ 180.792001] [<ffffffff810f35fd>] ? trace_hardirqs_off+0xd/0x10
[ 180.793491] [<ffffffff810d4dda>] ? local_clock+0x4a/0x70
[ 180.794845] [<ffffffff810f17f8>] ? lock_release_holdtime+0x28/0x170
[ 180.796438] [<ffffffff81cdc5ff>] ? retint_signal+0x11/0x92
[ 180.797855] [<ffffffff810588f7>] do_notify_resume+0x27/0x70
[ 180.799290] [<ffffffff81362c9e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 180.801140] [<ffffffff81cdc63b>] retint_signal+0x4d/0x92
[ 180.802522] 1 lock held by systemd-journal/1422:
[ 180.803703] #0: (&ei->i_data_sem){++++..}, at:
[<ffffffff81227fe3>] ext4_release_file+0x63/0xc0
[ 240.806088] INFO: task kworker/0:2:1079 blocked for more than 60 seconds.
[ 240.807918] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 240.809894] kworker/0:2 D ffff88007c518618 0 1079 2 0x00000000
[ 240.811759] ffff88007adc9a38 0000000000000046 ffff88007b0b0000
ffff88007adc9fd8
[ 240.813832] ffff88007adc9fd8 ffff88007adc9fd8 ffff88007c518000
ffff88007b0b0000
[ 240.815853] ffff88007adc9a18 ffff88007adc9b88 ffff88007adc9b90
7fffffffffffffff
[ 240.818114] Call Trace:
[ 240.818740] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 240.820013] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 240.821483] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 240.823026] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 240.824596] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 240.826612] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 240.828104] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 240.829630] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 240.831109] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 240.832991] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 240.834555] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 240.836158] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 240.837724] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 240.839199] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 240.840712] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 240.842133] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 240.843722] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 240.844968] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 240.846431] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 240.848017] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 240.849373] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 240.850808] 2 locks held by kworker/0:2/1079:
[ 240.851930] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 240.854198] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 240.856703] INFO: task systemd-journal:1422 blocked for more than 60 seconds.
[ 240.858507] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 240.860455] systemd-journal D ffff88007bbb2748 0 1422 1 0x00100006
[ 240.862325] ffff8800794f5aa8 0000000000000046 ffff880079500000
ffff8800794f5fd8
[ 240.864593] ffff8800794f5fd8 ffff8800794f5fd8 ffff880078c3a290
ffff880079500000
[ 240.866592] ffff88007bbb2750 ffff880079500000 ffff88007bbb2750
0000000000000002
[ 240.868614] Call Trace:
[ 240.869263] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 240.870546] [<ffffffff81cdb59d>] rwsem_down_failed_common+0x1fd/0x240
[ 240.872172] [<ffffffff81cdb613>] rwsem_down_write_failed+0x13/0x15
[ 240.873770] [<ffffffff81362c03>] call_rwsem_down_write_failed+0x13/0x20
[ 240.875466] [<ffffffff81cd9131>] ? down_write+0x91/0x93
[ 240.876823] [<ffffffff81227fe3>] ? ext4_release_file+0x63/0xc0
[ 240.878321] [<ffffffff810c875e>] ? lg_local_unlock+0x1e/0x40
[ 240.880063] [<ffffffff811bd6cd>] ? dput+0x12d/0x1b0
[ 240.881350] [<ffffffff81227fe3>] ext4_release_file+0x63/0xc0
[ 240.882811] [<ffffffff811a807a>] __fput+0x11a/0x210
[ 240.884078] [<ffffffff811a8179>] ____fput+0x9/0x10
[ 240.885322] [<ffffffff810bcbde>] task_work_run+0x9e/0xc0
[ 240.886699] [<ffffffff8109d86c>] do_exit+0x3ac/0xad0
[ 240.887985] [<ffffffff810f35fd>] ? trace_hardirqs_off+0xd/0x10
[ 240.889529] [<ffffffff810d4dda>] ? local_clock+0x4a/0x70
[ 240.890876] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 240.892436] [<ffffffff8109e054>] do_group_exit+0x84/0xd0
[ 240.893806] [<ffffffff810b0289>] get_signal_to_deliver+0x739/0x810
[ 240.895633] [<ffffffff81178b9b>] ? __pte_alloc+0x9b/0x150
[ 240.897036] [<ffffffff810583b2>] do_signal+0x52/0x570
[ 240.898353] [<ffffffff810f35fd>] ? trace_hardirqs_off+0xd/0x10
[ 240.899856] [<ffffffff810d4dda>] ? local_clock+0x4a/0x70
[ 240.901236] [<ffffffff810f17f8>] ? lock_release_holdtime+0x28/0x170
[ 240.902856] [<ffffffff81cdc5ff>] ? retint_signal+0x11/0x92
[ 240.904269] [<ffffffff810588f7>] do_notify_resume+0x27/0x70
[ 240.905703] [<ffffffff81362c9e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 240.907328] [<ffffffff81cdc63b>] retint_signal+0x4d/0x92
[ 240.908697] 1 lock held by systemd-journal/1422:
[ 240.909881] #0: (&ei->i_data_sem){++++..}, at:
[<ffffffff81227fe3>] ext4_release_file+0x63/0xc0
Case 2:
[ 682.881214] [ 2854] 0 2854 13893 4870 25 0
0 trinity-child9
[ 682.883340] [ 2855] 0 2855 13452 4646 24 0
0 trinity-child10
[ 682.885485] [ 2856] 0 2856 8496 2173 14 0
0 trinity-child3
[ 682.887577] [ 2857] 0 2857 9683 2755 16 0
0 trinity-child7
[ 682.889685] Out of memory: Kill process 2631 (systemd-logind) score
0 or sacrifice child
[ 682.891744] Killed process 2631 (systemd-logind) total-vm:26092kB,
anon-rss:260kB, file-rss:4kB
[ 780.652122] INFO: task kworker/0:0:4 blocked for more than 60 seconds.
[ 780.653723] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 780.655609] kworker/0:0 D ffff880000000000 0 4 2 0x00000000
[ 780.657449] ffff88003e38fa38 0000000000000046 ffff88003e3a0000
ffff88003e38ffd8
[ 780.659442] ffff88003e38ffd8 ffff88003e38ffd8 ffff88003ca48000
ffff88003e3a0000
[ 780.661480] ffff88003e38fa18 ffff88003e38fb88 ffff88003e38fb90
7fffffffffffffff
[ 780.663386] Call Trace:
[ 780.663965] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 780.665156] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 780.666606] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 780.668031] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 780.669541] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 780.671150] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 780.672553] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 780.674057] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 780.675515] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 780.677147] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 780.678664] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 780.680319] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 780.681881] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 780.683387] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 780.684894] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 780.686276] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 780.687809] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 780.689028] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 780.690479] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 780.691879] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 780.693220] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 780.694603] 2 locks held by kworker/0:0/4:
[ 780.695617] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 780.697738] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 780.700128] INFO: task kworker/0:1:2792 blocked for more than 60 seconds.
[ 780.701720] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 780.703548] kworker/0:1 D ffff880038538000 0 2792 2 0x00000000
[ 780.705308] ffff88003903dae8 0000000000000046 ffff880038538000
ffff88003903dfd8
[ 780.707380] ffff88003903dfd8 ffff88003903dfd8 ffff88003e382290
ffff880038538000
[ 780.709362] ffff88003903dac8 ffff88003903dc78 ffff88003903dc80
7fffffffffffffff
[ 780.711330] Call Trace:
[ 780.711924] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 780.713177] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 780.714559] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 780.715953] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 780.717432] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 780.719126] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 780.720591] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 780.722105] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 780.723566] [<ffffffff810bff5f>] kthread_create_on_node+0xaf/0x140
[ 780.725104] [<ffffffff81091240>] ? mark_shadow+0x50/0x150
[ 780.726399] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 780.727872] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 780.729337] [<ffffffff810b7db6>] create_worker+0x106/0x200
[ 780.730651] [<ffffffff810b8073>] manage_workers+0x1c3/0x350
[ 780.732092] [<ffffffff810b8d08>] worker_thread+0x1a8/0x380
[ 780.733417] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 780.734892] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 780.736115] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 780.737604] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 780.739007] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 780.740402] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 780.741744] 1 lock held by kworker/0:1/2792:
[ 780.742764] #0: (&pool->assoc_mutex){+.+.+.}, at:
[<ffffffff810b7ef0>] manage_workers+0x40/0x350
[ 840.745108] INFO: task kworker/0:0:4 blocked for more than 60 seconds.
[ 840.748081] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 840.751539] kworker/0:0 D ffff880000000000 0 4 2 0x00000000
[ 840.754799] ffff88003e38fa38 0000000000000046 ffff88003e3a0000
ffff88003e38ffd8
[ 840.758348] ffff88003e38ffd8 ffff88003e38ffd8 ffff88003ca48000
ffff88003e3a0000
[ 840.761908] ffff88003e38fa18 ffff88003e38fb88 ffff88003e38fb90
7fffffffffffffff
[ 840.765480] Call Trace:
[ 840.766660] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 840.768888] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 840.771438] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 840.774081] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 840.776827] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 840.779762] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 840.782344] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 840.785034] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 840.787375] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 840.790286] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 840.793042] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 840.795884] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 840.798655] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 840.801240] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 840.803925] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 840.806416] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 840.809275] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 840.811454] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 840.814059] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 840.816594] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 840.819009] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 840.821661] 2 locks held by kworker/0:0/4:
[ 840.823999] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 840.825638] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 840.827564] INFO: task kworker/0:1:2792 blocked for more than 60 seconds.
[ 840.829225] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 840.831432] kworker/0:1 D ffff880038538000 0 2792 2 0x00000000
[ 840.833246] ffff88003903dae8 0000000000000046 ffff880038538000
ffff88003903dfd8
[ 840.835207] ffff88003903dfd8 ffff88003903dfd8 ffff88003e382290
ffff880038538000
[ 840.837181] ffff88003903dac8 ffff88003903dc78 ffff88003903dc80
7fffffffffffffff
[ 840.839145] Call Trace:
[ 840.839762] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 840.840989] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 840.842412] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 840.843867] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 840.845388] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 840.847028] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 840.848531] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 840.850007] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 840.851448] [<ffffffff810bff5f>] kthread_create_on_node+0xaf/0x140
[ 840.852995] [<ffffffff81091240>] ? mark_shadow+0x50/0x150
[ 840.854358] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 840.855911] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 840.857443] [<ffffffff810b7db6>] create_worker+0x106/0x200
[ 840.858836] [<ffffffff810b8073>] manage_workers+0x1c3/0x350
[ 840.860222] [<ffffffff810b8d08>] worker_thread+0x1a8/0x380
[ 840.861578] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 840.863110] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 840.864319] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 840.865763] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 840.867153] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 840.868496] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 840.869885] 1 lock held by kworker/0:1/2792:
[ 840.870955] #0: (&pool->assoc_mutex){+.+.+.}, at:
[<ffffffff810b7ef0>] manage_workers+0x40/0x350
[ 900.873197] INFO: task kworker/0:0:4 blocked for more than 60 seconds.
[ 900.874859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 900.876791] kworker/0:0 D ffff880000000000 0 4 2 0x00000000
[ 900.878607] ffff88003e38fa38 0000000000000046 ffff88003e3a0000
ffff88003e38ffd8
[ 900.880555] ffff88003e38ffd8 ffff88003e38ffd8 ffff88003ca48000
ffff88003e3a0000
[ 900.882488] ffff88003e38fa18 ffff88003e38fb88 ffff88003e38fb90
7fffffffffffffff
[ 900.884470] Call Trace:
[ 900.885101] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 900.886345] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 900.887771] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 900.889273] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 900.890812] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 900.892457] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 900.893912] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 900.895397] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 900.896857] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 900.898473] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 900.900000] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 900.901597] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 900.903105] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 900.904551] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 900.906025] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 900.907415] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 900.908953] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 900.910190] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 900.911626] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 900.913031] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 900.914425] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 900.915787] 2 locks held by kworker/0:0/4:
[ 900.916810] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 900.918985] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 900.921454] INFO: task kworker/0:1:2792 blocked for more than 60 seconds.
[ 900.923092] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 900.925021] kworker/0:1 D ffff880038538000 0 2792 2 0x00000000
[ 900.926802] ffff88003903dae8 0000000000000046 ffff880038538000
ffff88003903dfd8
[ 900.928789] ffff88003903dfd8 ffff88003903dfd8 ffff88003e382290
ffff880038538000
[ 900.930790] ffff88003903dac8 ffff88003903dc78 ffff88003903dc80
7fffffffffffffff
[ 900.932786] Call Trace:
[ 900.933427] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 900.934660] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 900.936066] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 900.937522] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 900.939041] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 900.940754] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 900.942203] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 900.943687] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 900.945140] [<ffffffff810bff5f>] kthread_create_on_node+0xaf/0x140
[ 900.946678] [<ffffffff81091240>] ? mark_shadow+0x50/0x150
[ 900.948042] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 900.949575] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 900.951080] [<ffffffff810b7db6>] create_worker+0x106/0x200
[ 900.952476] [<ffffffff810b8073>] manage_workers+0x1c3/0x350
[ 900.953866] [<ffffffff810b8d08>] worker_thread+0x1a8/0x380
[ 900.955237] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 900.956798] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 900.957986] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 900.959437] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 900.960862] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 900.962204] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 900.963584] 1 lock held by kworker/0:1/2792:
[ 900.964691] #0: (&pool->assoc_mutex){+.+.+.}, at:
[<ffffffff810b7ef0>] manage_workers+0x40/0x350
[ 960.967185] INFO: task kworker/0:0:4 blocked for more than 60 seconds.
[ 960.968860] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 960.970785] kworker/0:0 D ffff880000000000 0 4 2 0x00000000
[ 960.972612] ffff88003e38fa38 0000000000000046 ffff88003e3a0000
ffff88003e38ffd8
[ 960.974587] ffff88003e38ffd8 ffff88003e38ffd8 ffff88003ca48000
ffff88003e3a0000
[ 960.976569] ffff88003e38fa18 ffff88003e38fb88 ffff88003e38fb90
7fffffffffffffff
[ 960.978527] Call Trace:
[ 960.979159] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 960.980383] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 960.981818] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 960.983263] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 960.984787] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 960.986412] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 960.987858] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 960.989342] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 960.990795] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 960.992389] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 960.993908] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 960.995495] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 960.997006] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 960.998466] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 960.999939] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 961.001317] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 961.002855] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 961.004063] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 961.005490] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 961.006881] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 961.008221] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 961.009581] 2 locks held by kworker/0:0/4:
[ 961.010611] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 961.012810] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 961.015308] INFO: task kworker/0:1:2792 blocked for more than 60 seconds.
[ 961.016984] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 961.018923] kworker/0:1 D ffff880038538000 0 2792 2 0x00000000
[ 961.020761] ffff88003903dae8 0000000000000046 ffff880038538000
ffff88003903dfd8
[ 961.022762] ffff88003903dfd8 ffff88003903dfd8 ffff88003e382290
ffff880038538000
[ 961.024752] ffff88003903dac8 ffff88003903dc78 ffff88003903dc80
7fffffffffffffff
[ 961.026726] Call Trace:
[ 961.027360] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 961.028629] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 961.030052] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 961.031516] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 961.033039] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 961.034690] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 961.036132] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 961.037657] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 961.039097] [<ffffffff810bff5f>] kthread_create_on_node+0xaf/0x140
[ 961.040646] [<ffffffff81091240>] ? mark_shadow+0x50/0x150
[ 961.041985] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 961.043547] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 961.045052] [<ffffffff810b7db6>] create_worker+0x106/0x200
[ 961.046475] [<ffffffff810b8073>] manage_workers+0x1c3/0x350
[ 961.047886] [<ffffffff810b8d08>] worker_thread+0x1a8/0x380
[ 961.049253] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 961.050755] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 961.051974] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 961.053416] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 961.054836] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 961.056187] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 961.057591] 1 lock held by kworker/0:1/2792:
[ 961.058685] #0: (&pool->assoc_mutex){+.+.+.}, at:
[<ffffffff810b7ef0>] manage_workers+0x40/0x350
[ 1021.061156] INFO: task kworker/0:0:4 blocked for more than 60 seconds.
[ 1021.062857] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 1021.064805] kworker/0:0 D ffff880000000000 0 4 2 0x00000000
[ 1021.066613] ffff88003e38fa38 0000000000000046 ffff88003e3a0000
ffff88003e38ffd8
[ 1021.068668] ffff88003e38ffd8 ffff88003e38ffd8 ffff88003ca48000
ffff88003e3a0000
[ 1021.070690] ffff88003e38fa18 ffff88003e38fb88 ffff88003e38fb90
7fffffffffffffff
[ 1021.072661] Call Trace:
[ 1021.073302] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 1021.074518] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 1021.075908] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 1021.077399] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 1021.078919] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 1021.080538] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 1021.081978] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 1021.083604] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 1021.085700] [<ffffffff810b615c>] call_usermodehelper_exec+0x14c/0x210
[ 1021.087331] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 1021.088848] [<ffffffff810b6948>] call_usermodehelper_fns+0xe8/0x100
[ 1021.090390] [<ffffffff8110921a>] cgroup_release_agent+0x15a/0x180
[ 1021.091892] [<ffffffff810b85cb>] process_one_work+0x29b/0x4c0
[ 1021.093236] [<ffffffff810b8560>] ? process_one_work+0x230/0x4c0
[ 1021.094342] [<ffffffff810b8da8>] worker_thread+0x248/0x380
[ 1021.095376] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 1021.097017] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 1021.098124] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 1021.099342] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 1021.100448] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 1021.101855] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 1021.103221] 2 locks held by kworker/0:0/4:
[ 1021.104307] #0: (events){.+.+.+}, at: [<ffffffff810b8560>]
process_one_work+0x230/0x4c0
[ 1021.106541] #1: (release_agent_work){+.+.+.}, at:
[<ffffffff810b8560>] process_one_work+0x230/0x4c0
[ 1021.109041] INFO: task kworker/0:1:2792 blocked for more than 60 seconds.
[ 1021.110729] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 1021.112679] kworker/0:1 D ffff880038538000 0 2792 2 0x00000000
[ 1021.114566] ffff88003903dae8 0000000000000046 ffff880038538000
ffff88003903dfd8
[ 1021.116577] ffff88003903dfd8 ffff88003903dfd8 ffff88003e382290
ffff880038538000
[ 1021.118613] ffff88003903dac8 ffff88003903dc78 ffff88003903dc80
7fffffffffffffff
[ 1021.120632] Call Trace:
[ 1021.121276] [<ffffffff81cd9d95>] schedule+0x55/0x60
[ 1021.122557] [<ffffffff81cd7786>] schedule_timeout+0x36/0x240
[ 1021.124039] [<ffffffff810f3303>] ? mark_held_locks+0x123/0x140
[ 1021.125530] [<ffffffff81cdb99b>] ? _raw_spin_unlock_irq+0x2b/0x40
[ 1021.127057] [<ffffffff810f3475>] ? trace_hardirqs_on_caller+0x155/0x1f0
[ 1021.128734] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 1021.130196] [<ffffffff81cda037>] wait_for_completion+0x97/0x100
[ 1021.131708] [<ffffffff810d2310>] ? try_to_wake_up+0x340/0x340
[ 1021.133189] [<ffffffff810bff5f>] kthread_create_on_node+0xaf/0x140
[ 1021.134762] [<ffffffff81091240>] ? mark_shadow+0x50/0x150
[ 1021.136140] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 1021.137727] [<ffffffff81cd9fcc>] ? wait_for_completion+0x2c/0x100
[ 1021.139266] [<ffffffff810b7db6>] create_worker+0x106/0x200
[ 1021.140681] [<ffffffff810b8073>] manage_workers+0x1c3/0x350
[ 1021.142098] [<ffffffff810b8d08>] worker_thread+0x1a8/0x380
[ 1021.143756] [<ffffffff810b8b60>] ? busy_worker_rebind_fn+0xb0/0xb0
[ 1021.146364] [<ffffffff810bfd71>] kthread+0xd1/0xe0
[ 1021.147622] [<ffffffff810f351d>] ? trace_hardirqs_on+0xd/0x10
[ 1021.148722] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 1021.149807] [<ffffffff81cdcdfc>] ret_from_fork+0x7c/0xb0
[ 1021.150864] [<ffffffff810bfca0>] ? __kthread_bind+0x40/0x40
[ 1021.152179] 1 lock held by kworker/0:1/2792:
[ 1021.153260] #0: (&pool->assoc_mutex){+.+.+.}, at:
[<ffffffff810b7ef0>] manage_workers+0x40/0x350
Tommi
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