Re: [PATCH] n_tty: use kmalloc() instead of vmalloc() to avoid crash on armada-xp
From: Stas Sergeev
Date: Wed Mar 11 2015 - 10:25:35 EST
11.03.2015 15:47, Russell King - ARM Linux ÐÐÑÐÑ:
>> [ 6.857113] vmalloc: mapping page ef7f12c0 (0x000efc16000) at 0xf00d4000
>> [ 6.863845] vmalloc: mapping page ef7f12a0 (0x000efc15000) at 0xf00d5000
>> [ 6.870567] Unhandled fault: external abort on non-linefetch (0x808)
>> at 0xf00d3018
> Yet it causes this. I wonder if there's a conflict between DRAM and
> some other devices causing this, or maybe a stale TLB entry.
>
> The thing which makes me consider a stale TLB entry is that the mapping
> we're adding is for a WBWA cacheable mapping, which should cause line
> fetches. The abort which is being raised is for a non-linefetch, a
> type of access which a WBWA cacheable mapping should never create.
>
> We can check whether it's a stale TLB entry - if you add a call to
> flush_tlb_all() after the call to vmalloc() in n_tty_open(). You
> may need to include <asm/tlbflush.h> to make that work - can you try
> that please.
Seems to be the same:
---
[ 6.872592] vmalloc: mapping page ef7f0800 (0x000efbc0000) at 0xf00d3000
[ 6.879309] vmalloc: mapping page ef7f0820 (0x000efbc1000) at 0xf00d4000
[ 6.886040] vmalloc: mapping page ef7f0840 (0x000efbc2000) at 0xf00d5000
[ 6.892762] flush_tlb_all() called here
[ 6.896611] Unhandled fault: external abort on non-linefetch (0x808)
at 0xf00d3018
[ 6.903717] sda: sda1 sda2 sda3
[ 6.907429] pgd = c0004000
[ 6.910141] [f00d3018] *pgd=2d404811, *pte=efbc065f, *ppte=efbc045f
[ 6.916461] Internal error: : 808 [#1] SMP ARM
---
However, while testing, I've suddenly got another crash happened
a bit earlier than the previous one used to happen: (OOM? How??)
---
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.0.0-rc2-00137-gb672c98-dirty
(root@host-010-117) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) )
#2 SMP 5
[ 0.000000] CPU: ARMv7 Processor [562f5842] revision 2 (ARMv7),
cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction
cache
[ 0.000000] Machine model: Marvell Armada XP Development Board
DB-MV784MP-GP
[ 0.000000] Ignoring memory block 0x100000000 - 0x200000000
[ 0.000000] memblock_reserve: [0x00000000008280-0x00000000700203]
flags 0x0 arm_memblock_init+0x20/0x18c
[ 0.000000] memblock_reserve: [0x00000001100040-0x0000000142fad3]
flags 0x0 arm_memblock_init+0x100/0x18c
[ 0.000000] memblock_reserve: [0x00000000004000-0x00000000007fff]
flags 0x0 arm_memblock_init+0x124/0x18c
[ 0.000000] memblock_reserve: [0x00000000000000-0x000000000027ff]
flags 0x0 mvebu_scan_mem+0xa4/0xec
[ 0.000000] memblock_reserve: [0x00000000000000-0x000000000027ff]
flags 0x0 mvebu_scan_mem+0xa4/0xec
[ 0.000000] memblock_reserve: [0x00000000a41168-0x00000000a45391]
flags 0x0 early_init_fdt_scan_reserved_mem+0x30/0x88
[ 0.000000] MEMBLOCK configuration:
[ 0.000000] memory size = 0xf0000000 reserved size = 0xa32442
[ 0.000000] memory.cnt = 0x1
[ 0.000000] memory[0x0] [0x00000000000000-0x000000efffffff],
0xf0000000 bytes flags: 0x0
[ 0.000000] reserved.cnt = 0x5
[ 0.000000] reserved[0x0] [0x00000000000000-0x000000000027ff],
0x2800 bytes flags: 0x0
[ 0.000000] reserved[0x1] [0x00000000004000-0x00000000007fff],
0x4000 bytes flags: 0x0
[ 0.000000] reserved[0x2] [0x00000000008280-0x00000000700203],
0x6f7f84 bytes flags: 0x0
[ 0.000000] reserved[0x3] [0x00000000a41168-0x00000000a45391],
0x422a bytes flags: 0x0
[ 0.000000] reserved[0x4] [0x00000001100040-0x0000000142fad3],
0x32fa94 bytes flags: 0x0
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] memblock_reserve: [0x0000002f7fe000-0x0000002f7fffff]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fd000-0x0000002f7fdfff]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcfd8-0x0000002f7fcfff]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fb000-0x0000002f7fbfff]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fa000-0x0000002f7fafff]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7f9000-0x0000002f7f9fff]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 31457280 bytes
align=0x0 nid=0 from=0x0 max_addr=0x0 alloc_node_mem_map.constprop.66+0x0
[ 0.000000] memblock_reserve: [0x0000002d9f9000-0x0000002f7f8fff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 96 bytes align=0x0
nid=0 from=0x0 max_addr=0x0 free_area_init_node+0x2fc/0x3cc
[ 0.000000] memblock_reserve: [0x0000002f7fcf40-0x0000002f7fcf9f]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 12288 bytes
align=0x0 nid=0 from=0x0 max_addr=0x0 zone_wait_table_init+0x80/0xf0
[ 0.000000] memblock_reserve: [0x0000002d9f6000-0x0000002d9f8fff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 388 bytes align=0x0
nid=0 from=0x0 max_addr=0x0 free_area_init_node+0x2fc/0x3cc
[ 0.000000] memblock_reserve: [0x0000002f7fcd80-0x0000002f7fcf03]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 49152 bytes
align=0x0 nid=0 from=0x0 max_addr=0x0 zone_wait_table_init+0x80/0xf0
[ 0.000000] memblock_reserve: [0x0000002d9ea000-0x0000002d9f5fff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 28 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 setup_arch+0x4d4/0x8b0
[ 0.000000] memblock_reserve: [0x0000002f7fcd40-0x0000002f7fcd5b]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_reserve: [0x0000002d9defd8-0x0000002d9e9fff]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcfc0-0x0000002f7fcfd7]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcfa8-0x0000002f7fcfbf]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcf28-0x0000002f7fcf3f]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcf0c-0x0000002f7fcf24]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcd64-0x0000002f7fcd7c]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcd24-0x0000002f7fcd3c]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_reserve: [0x0000002f7fcd0c-0x0000002f7fcd23]
flags 0x0 memblock_alloc_range_nid+0x30/0x44
[ 0.000000] memblock_virt_alloc_try_nid: 83 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 start_kernel+0xb4/0x3a8
[ 0.000000] memblock_reserve: [0x0000002f7fcc80-0x0000002f7fccd2]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 83 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 start_kernel+0xd8/0x3a8
[ 0.000000] memblock_reserve: [0x0000002f7fcc00-0x0000002f7fcc52]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 83 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 start_kernel+0xfc/0x3a8
[ 0.000000] memblock_reserve: [0x0000002f7fcb80-0x0000002f7fcbd2]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 4096 bytes align=0x0
nid=-1 from=0x0 max_addr=0x0 pcpu_alloc_alloc_info+0x4c/0x8c
[ 0.000000] memblock_reserve: [0x0000002d9ddfc0-0x0000002d9defbf]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 4096 bytes align=0x0
nid=-1 from=0x0 max_addr=0x0 pcpu_embed_first_chunk+0x4f0/0x788
[ 0.000000] memblock_reserve: [0x0000002d9dcfc0-0x0000002d9ddfbf]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 163840 bytes
align=0x1000 nid=-1 from=0x3fffffff max_addr=0x0 pcpu_dfl_fc_alloc+0x28/0x0
[ 0.000000] memblock_reserve: [0x0000002d9b4000-0x0000002d9dbfff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] __memblock_free_early:
[0x0000002d9be000-0x0000002d9bdfff] pcpu_embed_first_chunk+0x608/0x788
[ 0.000000] __memblock_free_early:
[0x0000002d9c8000-0x0000002d9c7fff] pcpu_embed_first_chunk+0x608/0x788
[ 0.000000] __memblock_free_early:
[0x0000002d9d2000-0x0000002d9d1fff] pcpu_embed_first_chunk+0x608/0x788
[ 0.000000] __memblock_free_early:
[0x0000002d9dc000-0x0000002d9dbfff] pcpu_embed_first_chunk+0x608/0x788
[ 0.000000] PERCPU: Embedded 10 pages/cpu @ed9b4000 s11584 r8192
d21184 u40960
[ 0.000000] memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0xec/0x740
[ 0.000000] memblock_reserve: [0x0000002f7fcd00-0x0000002f7fcd03]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 4 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x10c/0x740
[ 0.000000] memblock_reserve: [0x0000002f7fcb40-0x0000002f7fcb43]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 16 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x12c/0x740
[ 0.000000] memblock_reserve: [0x0000002f7fcb00-0x0000002f7fcb0f]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 16 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x14c/0x740
[ 0.000000] memblock_reserve: [0x0000002f7fcac0-0x0000002f7fcacf]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 120 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x450/0x740
[ 0.000000] memblock_reserve: [0x0000002f7fca40-0x0000002f7fcab7]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 68 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x498/0x740
[ 0.000000] memblock_reserve: [0x0000002f7fc9c0-0x0000002f7fca03]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] memblock_virt_alloc_try_nid: 68 bytes align=0x0 nid=-1
from=0x0 max_addr=0x0 pcpu_setup_first_chunk+0x5cc/0x740
[ 0.000000] memblock_reserve: [0x0000002f7fc940-0x0000002f7fc983]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] __memblock_free_early:
[0x0000002d9ddfc0-0x0000002d9defbf] pcpu_embed_first_chunk+0x734/0x788
[ 0.000000] __memblock_free_early:
[0x0000002d9dcfc0-0x0000002d9ddfbf] pcpu_embed_first_chunk+0x74c/0x788
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
Total pages: 981520
[ 0.000000] Kernel command line: console=ttyS0,115200
earlyprintk=ttyS0 root=/dev/sda2 rw pm_disable memblock=debug
[ 0.000000] log_buf_len individual max cpu contribution: 4096 bytes
[ 0.000000] log_buf_len total cpu_extra contributions: 12288 bytes
[ 0.000000] log_buf_len min size: 16384 bytes
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 32768 bytes
align=0x4 nid=-1 from=0x0 max_addr=0x0 setup_log_buf+0xf8/0x1d4
[ 0.000000] memblock_reserve: [0x0000002d9ac000-0x0000002d9b3fff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] log_buf_len: 32768 bytes
[ 0.000000] early log buf free: 6144(37%)
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 16384 bytes
align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x158/0x250
[ 0.000000] memblock_reserve: [0x0000002d9a8000-0x0000002d9abfff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 524288 bytes
align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x158/0x250
[ 0.000000] memblock_reserve: [0x0000002d928000-0x0000002d9a7fff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288
bytes)
[ 0.000000] memblock_virt_alloc_try_nid_nopanic: 262144 bytes
align=0x0 nid=-1 from=0x0 max_addr=0x0 alloc_large_system_hash+0x158/0x250
[ 0.000000] memblock_reserve: [0x0000002d8e8000-0x0000002d927fff]
flags 0x0 memblock_virt_alloc_internal+0x104/0x154
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144
bytes)
[ 0.000000] Memory: 3889876K/3932160K available (5068K kernel code,
241K rwdata, 1380K rodata, 252K init, 190K bss, 42284K reserved, 0K )
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc06543d0 (6449 kB)
[ 0.000000] .init : 0xc0655000 - 0xc0694000 ( 252 kB)
[ 0.000000] .data : 0xc0694000 - 0xc06d0740 ( 242 kB)
[ 0.000000] .bss : 0xc06d0740 - 0xc0700204 ( 191 kB)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] Additional per-CPU info printed with stalls.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] Aurora cache controller enabled, 32 ways, 2048 kB
[ 0.000000] Aurora: CACHE_ID 0x00000100, AUX_CTRL 0x1a69ef12
[ 0.000006] sched_clock: 32 bits at 25MHz, resolution 40ns, wraps
every 171798691800ns
[ 0.000244] Console: colour dummy device 80x30
[ 0.000259] Calibrating delay loop... 1594.16 BogoMIPS (lpj=7970816)
[ 0.090071] pid_max: default: 32768 minimum: 301
[ 0.090141] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.090148] Mountpoint-cache hash table entries: 2048 (order: 1, 8192
bytes)
[ 0.090395] CPU: Testing write buffer coherency: vmalloc: mapping
page edfa13e0 (0x0002d41f000) at 0xf001e000
[ 0.090411] vmalloc: mapping page edfa13e0 (0x0002d41f000) at 0xf0020000
[ 0.090418] ok
[ 0.090521] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.090870] Setting up static identity map for 0x4cece8 - 0x4ced40
[ 0.091060] mvebu-soc-id: MVEBU SoC ID=0x7846, Rev=0x2
[ 0.091144] mvebu-pmsu: Initializing Power Management Service Unit
[ 0.091802] Booting CPU 1
[ 0.180067] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.180270] Booting CPU 2
[ 0.220066] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[ 0.220262] Booting CPU 3
[ 0.260066] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[ 0.260107] Brought up 4 CPUs
[ 0.260115] SMP: Total of 4 processors activated (6376.65 BogoMIPS).
[ 0.260119] CPU: All CPU(s) started in SVC mode.
[ 0.260386] devtmpfs: initialized
[ 0.260709] VFP support v0.3: implementor 56 architecture 2 part 20
variant 9 rev 6
[ 0.260880] pinctrl core: initialized pinctrl subsystem
[ 0.262833] NET: Registered protocol family 16
[ 0.263006] vmalloc: mapping page edfa3800 (0x0002d540000) at 0xf002c000
[ 0.263011] vmalloc: mapping page edfa3820 (0x0002d541000) at 0xf002d000
[ 0.263016] vmalloc: mapping page edfa3840 (0x0002d542000) at 0xf002e000
[ 0.263020] vmalloc: mapping page edfa3860 (0x0002d543000) at 0xf002f000
[ 0.263024] vmalloc: mapping page edfa3880 (0x0002d544000) at 0xf0030000
[ 0.263028] vmalloc: mapping page edfa38a0 (0x0002d545000) at 0xf0031000
[ 0.263032] vmalloc: mapping page edfa38c0 (0x0002d546000) at 0xf0032000
[ 0.263036] vmalloc: mapping page edfa38e0 (0x0002d547000) at 0xf0033000
[ 0.263041] vmalloc: mapping page edfa3900 (0x0002d548000) at 0xf0034000
[ 0.263045] vmalloc: mapping page edfa3920 (0x0002d549000) at 0xf0035000
[ 0.263049] vmalloc: mapping page edfa3940 (0x0002d54a000) at 0xf0036000
[ 0.263053] vmalloc: mapping page edfa3960 (0x0002d54b000) at 0xf0037000
[ 0.263057] vmalloc: mapping page edfa3980 (0x0002d54c000) at 0xf0038000
[ 0.263061] vmalloc: mapping page edfa39a0 (0x0002d54d000) at 0xf0039000
[ 0.263065] vmalloc: mapping page edfa39c0 (0x0002d54e000) at 0xf003a000
[ 0.263070] vmalloc: mapping page edfa39e0 (0x0002d54f000) at 0xf003b000
[ 0.263074] vmalloc: mapping page edfa3a00 (0x0002d550000) at 0xf003c000
[ 0.263078] vmalloc: mapping page edfa3a20 (0x0002d551000) at 0xf003d000
[ 0.263082] vmalloc: mapping page edfa3a40 (0x0002d552000) at 0xf003e000
[ 0.263086] vmalloc: mapping page edfa3a60 (0x0002d553000) at 0xf003f000
[ 0.263090] vmalloc: mapping page edfa3a80 (0x0002d554000) at 0xf0040000
[ 0.263094] vmalloc: mapping page edfa3aa0 (0x0002d555000) at 0xf0041000
[ 0.263098] vmalloc: mapping page edfa3ac0 (0x0002d556000) at 0xf0042000
[ 0.263103] vmalloc: mapping page edfa3ae0 (0x0002d557000) at 0xf0043000
[ 0.263107] vmalloc: mapping page edfa3b00 (0x0002d558000) at 0xf0044000
[ 0.263111] vmalloc: mapping page edfa3b20 (0x0002d559000) at 0xf0045000
[ 0.263115] vmalloc: mapping page edfa3b40 (0x0002d55a000) at 0xf0046000
[ 0.263119] vmalloc: mapping page edfa3b60 (0x0002d55b000) at 0xf0047000
[ 0.263123] vmalloc: mapping page edfa3b80 (0x0002d55c000) at 0xf0048000
[ 0.263127] vmalloc: mapping page edfa3ba0 (0x0002d55d000) at 0xf0049000
[ 0.263131] vmalloc: mapping page edfa3bc0 (0x0002d55e000) at 0xf004a000
[ 0.263136] vmalloc: mapping page edfa3be0 (0x0002d55f000) at 0xf004b000
[ 0.263140] vmalloc: mapping page edfa3c00 (0x0002d560000) at 0xf004c000
[ 0.263144] vmalloc: mapping page edfa3c20 (0x0002d561000) at 0xf004d000
[ 0.263148] vmalloc: mapping page edfa3c40 (0x0002d562000) at 0xf004e000
[ 0.263152] vmalloc: mapping page edfa3c60 (0x0002d563000) at 0xf004f000
[ 0.263156] vmalloc: mapping page edfa3c80 (0x0002d564000) at 0xf0050000
[ 0.263160] vmalloc: mapping page edfa3ca0 (0x0002d565000) at 0xf0051000
[ 0.263164] vmalloc: mapping page edfa3cc0 (0x0002d566000) at 0xf0052000
[ 0.263169] vmalloc: mapping page edfa3ce0 (0x0002d567000) at 0xf0053000
[ 0.263173] vmalloc: mapping page edfa3d00 (0x0002d568000) at 0xf0054000
[ 0.263177] vmalloc: mapping page edfa3d20 (0x0002d569000) at 0xf0055000
[ 0.263181] vmalloc: mapping page edfa3d40 (0x0002d56a000) at 0xf0056000
[ 0.263185] vmalloc: mapping page edfa3d60 (0x0002d56b000) at 0xf0057000
[ 0.263189] vmalloc: mapping page edfa3d80 (0x0002d56c000) at 0xf0058000
[ 0.263193] vmalloc: mapping page edfa3da0 (0x0002d56d000) at 0xf0059000
[ 0.263197] vmalloc: mapping page edfa3dc0 (0x0002d56e000) at 0xf005a000
[ 0.263202] vmalloc: mapping page edfa3de0 (0x0002d56f000) at 0xf005b000
[ 0.263206] vmalloc: mapping page edfa3e00 (0x0002d570000) at 0xf005c000
[ 0.263210] vmalloc: mapping page edfa3e20 (0x0002d571000) at 0xf005d000
[ 0.263214] vmalloc: mapping page edfa3e40 (0x0002d572000) at 0xf005e000
[ 0.263218] vmalloc: mapping page edfa3e60 (0x0002d573000) at 0xf005f000
[ 0.263222] vmalloc: mapping page edfa3e80 (0x0002d574000) at 0xf0060000
[ 0.263226] vmalloc: mapping page edfa3ea0 (0x0002d575000) at 0xf0061000
[ 0.263230] vmalloc: mapping page edfa3ec0 (0x0002d576000) at 0xf0062000
[ 0.263235] vmalloc: mapping page edfa3ee0 (0x0002d577000) at 0xf0063000
[ 0.263239] vmalloc: mapping page edfa3f00 (0x0002d578000) at 0xf0064000
[ 0.263243] vmalloc: mapping page edfa3f20 (0x0002d579000) at 0xf0065000
[ 0.263247] vmalloc: mapping page edfa3f40 (0x0002d57a000) at 0xf0066000
[ 0.263251] vmalloc: mapping page edfa3f60 (0x0002d57b000) at 0xf0067000
[ 0.263255] vmalloc: mapping page edfa3f80 (0x0002d57c000) at 0xf0068000
[ 0.263259] vmalloc: mapping page edfa3fa0 (0x0002d57d000) at 0xf0069000
[ 0.263263] vmalloc: mapping page edfa3fc0 (0x0002d57e000) at 0xf006a000
[ 0.263267] vmalloc: mapping page edfa3fe0 (0x0002d57f000) at 0xf006b000
[ 0.263273] DMA: preallocated 256 KiB pool for atomic coherent
allocations
[ 0.300043] cpuidle: using governor ladder
[ 0.350041] cpuidle: using governor menu
[ 0.390332] vmalloc: mapping page ef7f1000 (0x000efc00000) at 0xfedd8000
[ 0.390339] vmalloc: mapping page ef7f1020 (0x000efc01000) at 0xfedd9000
[ 0.390343] vmalloc: mapping page ef7f1040 (0x000efc02000) at 0xfedda000
[ 0.390348] vmalloc: mapping page ef7f1060 (0x000efc03000) at 0xfede2000
[ 0.390352] vmalloc: mapping page ef7f1080 (0x000efc04000) at 0xfede3000
[ 0.390356] vmalloc: mapping page ef7f10a0 (0x000efc05000) at 0xfede4000
[ 0.390361] vmalloc: mapping page ef7f10c0 (0x000efc06000) at 0xfedec000
[ 0.390365] vmalloc: mapping page ef7f10e0 (0x000efc07000) at 0xfeded000
[ 0.390369] vmalloc: mapping page ef7f1100 (0x000efc08000) at 0xfedee000
[ 0.390373] vmalloc: mapping page ef7f1120 (0x000efc09000) at 0xfedf6000
[ 0.390378] vmalloc: mapping page ef7f1140 (0x000efc0a000) at 0xfedf7000
[ 0.390382] vmalloc: mapping page ef7f1160 (0x000efc0b000) at 0xfedf8000
[ 0.390680] vgaarb: loaded
[ 0.390825] SCSI subsystem initialized
[ 0.391127] usbcore: registered new interface driver usbfs
[ 0.391170] usbcore: registered new interface driver hub
[ 0.391216] usbcore: registered new device driver usb
[ 0.391455] Advanced Linux Sound Architecture Driver Initialized.
[ 0.391774] Bluetooth: Core ver 2.20
[ 0.391801] NET: Registered protocol family 31
[ 0.391806] Bluetooth: HCI device and connection manager initialized
[ 0.391814] Bluetooth: HCI socket layer initialized
[ 0.391821] Bluetooth: L2CAP socket layer initialized
[ 0.391838] Bluetooth: SCO socket layer initialized
[ 0.392029] cfg80211: Calling CRDA to update world regulatory domain
[ 0.392158] Switched to clocksource armada_370_xp_clocksource
[ 0.398730] NET: Registered protocol family 2
[ 0.399051] TCP established hash table entries: 8192 (order: 3, 32768
bytes)
[ 0.399090] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.399142] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.399175] TCP: reno registered
[ 0.399184] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.399204] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.399311] NET: Registered protocol family 1
[ 0.399473] RPC: Registered named UNIX socket transport module.
[ 0.399478] RPC: Registered udp transport module.
[ 0.399482] RPC: Registered tcp transport module.
[ 0.399486] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.399602] Unpacking initramfs...
[ 0.505641] Freeing initrd memory: 3264K (c1100000 - c1430000)
[ 0.506543] futex hash table entries: 1024 (order: 4, 65536 bytes)
[ 0.507145] vmalloc: mapping page ef7f0400 (0x000efba0000) at 0xfeddb000
[ 0.507155] vmalloc: mapping page ef7f03e0 (0x000efb9f000) at 0xfeddc000
[ 0.507160] vmalloc: mapping page ef7f03c0 (0x000efb9e000) at 0xfeddd000
[ 0.507165] vmalloc: mapping page ef7f03a0 (0x000efb9d000) at 0xfede5000
[ 0.507169] vmalloc: mapping page ef7f0380 (0x000efb9c000) at 0xfede6000
[ 0.507173] vmalloc: mapping page ef7f0360 (0x000efb9b000) at 0xfede7000
[ 0.507178] vmalloc: mapping page ef7f0340 (0x000efb9a000) at 0xfedef000
[ 0.507182] vmalloc: mapping page ef7f0320 (0x000efb99000) at 0xfedf0000
[ 0.507186] vmalloc: mapping page ef7f0300 (0x000efb98000) at 0xfedf1000
[ 0.507190] vmalloc: mapping page ef7f02e0 (0x000efb97000) at 0xfedf9000
[ 0.507195] vmalloc: mapping page ef7f02c0 (0x000efb96000) at 0xfedfa000
[ 0.507199] vmalloc: mapping page ef7f02a0 (0x000efb95000) at 0xfedfb000
[ 0.507586] bounce: pool size: 64 pages
[ 0.507628] Block layer SCSI generic (bsg) driver version 0.4 loaded
(major 252)
[ 0.507640] io scheduler noop registered
[ 0.507648] io scheduler deadline registered
[ 0.507675] io scheduler cfq registered (default)
[ 0.508386] armada-xp-pinctrl f1018000.pin-ctrl: registered pinctrl
driver
[ 0.508738] irq: Cannot allocate irq_descs @ IRQ45, assuming
pre-allocated
[ 0.508954] irq: Cannot allocate irq_descs @ IRQ77, assuming
pre-allocated
[ 0.509087] irq: Cannot allocate irq_descs @ IRQ109, assuming
pre-allocated
[ 0.509436] mvebu-pcie soc:pcie-controller: PCI host bridge to bus
0000:00
[ 0.509446] pci_bus 0000:00: root bus resource [io 0x1000-0xfffff]
[ 0.509453] pci_bus 0000:00: root bus resource [mem
0xf8000000-0xffdfffff]
[ 0.509460] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.509835] PCI: bus0: Fast back to back transfers disabled
[ 0.509844] pci 0000:00:01.0: bridge configuration invalid ([bus
00-00]), reconfiguring
[ 0.509852] pci 0000:00:09.0: bridge configuration invalid ([bus
00-00]), reconfiguring
[ 0.509859] pci 0000:00:0a.0: bridge configuration invalid ([bus
00-00]), reconfiguring
[ 0.509941] PCI: bus1: Fast back to back transfers enabled
[ 0.510338] PCI: bus2: Fast back to back transfers disabled
[ 0.510426] PCI: bus3: Fast back to back transfers enabled
[ 0.510489] pci 0000:00:09.0: BAR 8: assigned [mem 0xf8000000-0xf80fffff]
[ 0.510497] pci 0000:00:01.0: PCI bridge to [bus 01]
[ 0.510509] pci 0000:02:00.0: BAR 2: assigned [mem
0xf8000000-0xf803ffff 64bit]
[ 0.510527] pci 0000:02:00.0: BAR 0: assigned [mem
0xf8040000-0xf805ffff 64bit]
[ 0.510543] pci 0000:02:00.0: BAR 6: assigned [mem
0xf8060000-0xf806ffff pref]
[ 0.510549] pci 0000:00:09.0: PCI bridge to [bus 02]
[ 0.510556] pci 0000:00:09.0: bridge window [mem 0xf8000000-0xf80fffff]
[ 0.510563] pci 0000:00:0a.0: PCI bridge to [bus 03]
[ 0.510671] mv_xor f1060900.xor: Marvell shared XOR driver
[ 0.542214] mv_xor f1060900.xor: Marvell XOR: ( xor cpy )
[ 0.582202] mv_xor f1060900.xor: Marvell XOR: ( xor cpy )
[ 0.582288] mv_xor f10f0900.xor: Marvell shared XOR driver
[ 0.622202] mv_xor f10f0900.xor: Marvell XOR: ( xor cpy )
[ 0.662201] mv_xor f10f0900.xor: Marvell XOR: ( xor cpy )
[ 0.696278] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.697373] console [ttyS0] disabled
[ 0.717604] f1012000.serial: ttyS0 at MMIO 0xf1012000 (irq = 19,
base_baud = 15625000) is a 16550A
[ 2.885177] console [ttyS0] enabled
[ 2.909702] f1012100.serial: ttyS1 at MMIO 0xf1012100 (irq = 20,
base_baud = 15625000) is a 16550A
[ 2.940777] f1012200.serial: ttyS2 at MMIO 0xf1012200 (irq = 32,
base_baud = 15625000) is a 16550A
[ 2.970730] f1012300.serial: ttyS3 at MMIO 0xf1012300 (irq = 33,
base_baud = 15625000) is a 16550A
[ 2.980393] mvsas 0000:02:00.0: mvsas: driver version 0.8.16
[ 2.986095] pci 0000:00:09.0: enabling device (0140 -> 0142)
[ 2.992704] mvsas 0000:02:00.0: mvsas: PCI-E x4, Bandwidth Usage: 2.5
Gbps
[ 6.282170] scsi host0: mvsas
[ 6.467033] ata1.00: ATA-8: ST320LT007-9ZV142, 0002SDM1, max UDMA/133
[ 6.473503] ata1.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 31/32)
[ 6.483523] ata1.00: configured for UDMA/133
[ 6.502604] scsi 0:0:0:0: Direct-Access ATA ST320LT007-9ZV14
SDM1 PQ: 0 ANSI: 5
[ 6.511657] sata_mv f10a0000.sata: slots 32 ports 2
[ 6.512263] sd 0:0:0:0: [sda] 625142448 512-byte logical blocks: (320
GB/298 GiB)
[ 6.512268] sd 0:0:0:0: [sda] 4096-byte physical blocks
[ 6.512384] sd 0:0:0:0: [sda] Write Protect is off
[ 6.512442] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 6.522502] vmalloc: mapping page ef7f0420 (0x000efba1000) at 0xf009e000
[ 6.522505] vmalloc: mapping page ef7f0440 (0x000efba2000) at 0xf009f000
[ 6.522508] vmalloc: mapping page ef7f0460 (0x000efba3000) at 0xf00a0000
[ 6.522510] vmalloc: mapping page ef7f0480 (0x000efba4000) at 0xf00a1000
[ 6.522512] vmalloc: mapping page ef7f04a0 (0x000efba5000) at 0xf00a2000
[ 6.522514] vmalloc: mapping page ef7f04c0 (0x000efba6000) at 0xf00a3000
[ 6.522516] vmalloc: mapping page ef7f04e0 (0x000efba7000) at 0xf00a4000
[ 6.522519] vmalloc: mapping page ef7f0500 (0x000efba8000) at 0xf00a5000
[ 6.538641] sda: sda1 sda2 sda3
[ 6.601155] scsi host1: sata_mv
[ 6.604557] scsi host2: sata_mv
[ 6.607849] ata2: SATA max UDMA/133 irq 30
[ 6.611958] ata3: SATA max UDMA/133 irq 30
[ 6.616502] pxa3xx-nand f10d0000.nand: This platform can't do DMA on
this device
[ 6.624077] nand: second ID read did not match 00,28 against 00,20
[ 6.630272] nand: No NAND device found
[ 6.634044] pxa3xx-nand f10d0000.nand: failed to scan nand at cs 0
[ 6.646259] request_module: runaway loop modprobe binfmt-0000
[ 6.653829] m25p80 spi0.0: n25q128a13 (16384 Kbytes)
[ 6.664246] request_module: runaway loop modprobe binfmt-0000
[ 6.672883] libphy: orion_mdio_bus: probed
[ 6.678615] mvneta f1070000.ethernet eth0: Using device tree mac
address 00:50:43:00:05:1e
[ 6.687691] mvneta f1074000.ethernet eth1: Using device tree mac
address 00:50:43:00:05:1f
[ 6.696796] mvneta f1030000.ethernet eth2: Using device tree mac
address 00:50:43:00:05:20
[ 6.705899] mvneta f1034000.ethernet eth3: Using device tree mac
address 00:50:43:00:05:21
[ 6.714550] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 6.721099] ehci-pci: EHCI PCI platform driver
[ 6.725609] ehci-orion: EHCI orion driver
[ 6.729725] orion-ehci f1050000.usb: EHCI Host Controller
[ 6.735168] orion-ehci f1050000.usb: new USB bus registered, assigned
bus number 1
[ 6.742842] orion-ehci f1050000.usb: irq 26, io mem 0xf1050000
[ 6.762173] orion-ehci f1050000.usb: USB 2.0 started, EHCI 1.00
[ 6.768603] hub 1-0:1.0: USB hub found
[ 6.772402] hub 1-0:1.0: 1 port detected
[ 6.776609] orion-ehci f1051000.usb: EHCI Host Controller
[ 6.782034] orion-ehci f1051000.usb: new USB bus registered, assigned
bus number 2
[ 6.789710] orion-ehci f1051000.usb: irq 27, io mem 0xf1051000
[ 6.812183] orion-ehci f1051000.usb: USB 2.0 started, EHCI 1.00
[ 6.818183] swapper/0 invoked oom-killer: gfp_mask=0x2040d0, order=0,
oom_score_adj=0
[ 6.826058] CPU: 3 PID: 1 Comm: swapper/0 Not tainted
4.0.0-rc2-00137-gb672c98-dirty #2
[ 6.834094] Hardware name: Marvell Armada 370/XP (Device Tree)
[ 6.839960] [<c0014ca4>] (unwind_backtrace) from [<c0010e34>]
(show_stack+0x10/0x14)
[ 6.847743] [<c0010e34>] (show_stack) from [<c04c9d64>]
(dump_stack+0x6c/0x88)
[ 6.855006] [<c04c9d64>] (dump_stack) from [<c04c8e18>]
(dump_header.isra.12+0x90/0x1b0)
[ 6.863137] [<c04c8e18>] (dump_header.isra.12) from [<c007f3ec>]
(__out_of_memory.isra.15+0x318/0x340)
[ 6.872482] [<c007f3ec>] (__out_of_memory.isra.15) from [<c007f5c4>]
(out_of_memory+0x40/0x5c)
[ 6.881120] [<c007f5c4>] (out_of_memory) from [<c0082efc>]
(__alloc_pages_nodemask+0x604/0x644)
[ 6.889857] [<c0082efc>] (__alloc_pages_nodemask) from [<c00b150c>]
(cache_alloc_refill+0x350/0x580)
[ 6.899027] [<c00b150c>] (cache_alloc_refill) from [<c00b18d0>]
(__kmalloc+0xac/0xe8)
[ 6.906895] [<c00b18d0>] (__kmalloc) from [<c02fff18>]
(usb_hcd_submit_urb+0x1f8/0x850)
[ 6.914933] [<c02fff18>] (usb_hcd_submit_urb) from [<c03024ac>]
(usb_start_wait_urb+0x44/0xbc)
[ 6.923576] [<c03024ac>] (usb_start_wait_urb) from [<c03026d4>]
(usb_control_msg+0xa0/0xc4)
[ 6.931951] [<c03026d4>] (usb_control_msg) from [<c0302bf4>]
(usb_get_descriptor+0x70/0xc4)
[ 6.940331] [<c0302bf4>] (usb_get_descriptor) from [<c0302d24>]
(usb_get_device_descriptor+0x50/0x80)
[ 6.949592] [<c0302d24>] (usb_get_device_descriptor) from
[<c02ff3f8>] (usb_add_hcd+0x37c/0x788)
[ 6.958410] [<c02ff3f8>] (usb_add_hcd) from [<c031a074>]
(ehci_orion_drv_probe+0x2f4/0x480)
[ 6.966795] [<c031a074>] (ehci_orion_drv_probe) from [<c0231308>]
(platform_drv_probe+0x48/0x98)
[ 6.975612] [<c0231308>] (platform_drv_probe) from [<c022fecc>]
(driver_probe_device+0x114/0x234)
[ 6.982182] ata2: SATA link down (SStatus 0 SControl F300)
[ 6.990010] [<c022fecc>] (driver_probe_device) from [<c0230078>]
(__driver_attach+0x8c/0x90)
[ 6.998477] [<c0230078>] (__driver_attach) from [<c022e880>]
(bus_for_each_dev+0x54/0x88)
[ 7.006683] [<c022e880>] (bus_for_each_dev) from [<c022f6d0>]
(bus_add_driver+0xd8/0x1cc)
[ 7.014889] [<c022f6d0>] (bus_add_driver) from [<c02306b8>]
(driver_register+0x78/0xf4)
[ 7.022922] [<c02306b8>] (driver_register) from [<c0008a64>]
(do_one_initcall+0x80/0x1d0)
[ 7.031127] [<c0008a64>] (do_one_initcall) from [<c0655d3c>]
(kernel_init_freeable+0x108/0x1d4)
[ 7.039858] [<c0655d3c>] (kernel_init_freeable) from [<c04c68a8>]
(kernel_init+0x8/0xe4)
[ 7.047978] [<c04c68a8>] (kernel_init) from [<c000e540>]
(ret_from_fork+0x14/0x34)
[ 7.055570] Mem-info:
[ 7.057847] Normal per-cpu:
[ 7.060647] CPU 0: hi: 186, btch: 31 usd: 42
[ 7.065454] CPU 1: hi: 186, btch: 31 usd: 41
[ 7.070255] CPU 2: hi: 186, btch: 31 usd: 40
[ 7.075062] CPU 3: hi: 186, btch: 31 usd: 174
[ 7.079863] HighMem per-cpu:
[ 7.082754] CPU 0: hi: 186, btch: 31 usd: 19
[ 7.087556] CPU 1: hi: 186, btch: 31 usd: 31
[ 7.092363] CPU 2: hi: 186, btch: 31 usd: 62
[ 7.097165] CPU 3: hi: 186, btch: 31 usd: 2
[ 7.101972] active_anon:0 inactive_anon:0 isolated_anon:0
[ 7.101972] active_file:222 inactive_file:1682 isolated_file:0
[ 7.101972] unevictable:0 dirty:0 writeback:0 unstable:0
[ 7.101972] free:787313 slab_reclaimable:104 slab_unreclaimable:182486
[ 7.101972] mapped:0 shmem:0 pagetables:0 bounce:0
[ 7.101972] free_cma:0
[ 7.132650] Normal free:3392kB min:3436kB low:4292kB high:5152kB
active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unes
[ 7.172882] lowmem_reserve[]: 0 24640 24640
[ 7.177127] HighMem free:3145860kB min:512kB low:4176kB high:7840kB
active_anon:0kB inactive_anon:0kB active_file:888kB inactive_file:67o
[ 7.217276] lowmem_reserve[]: 0 0 0
[ 7.220815] Normal: 2*4kB (UR) 17*8kB (UR) 0*16kB 0*32kB 0*64kB
0*128kB 1*256kB (R) 0*512kB 1*1024kB (R) 1*2048kB (R) 0*4096kB = 3472kB
[ 7.233210] HighMem: 0*4kB 1*8kB (M) 0*16kB 0*32kB 0*64kB 0*128kB
2*256kB (UM) 1*512kB (M) 1*1024kB (M) 1*2048kB (M) 767*4096kB (MR) = 3B
[ 7.246393] 1908 total pagecache pages
[ 7.250151] 0 pages in swap cache
[ 7.253479] Swap cache stats: add 0, delete 0, find 0/0
[ 7.258715] Free swap = 0kB
[ 7.261601] Total swap = 0kB
[ 7.314368] 983040 pages of RAM
[ 7.317519] 788035 free pages
[ 7.320492] 9755 reserved pages
[ 7.323648] 182493 slab pages
[ 7.326621] 4 pages shared
[ 7.329333] 0 pages swap cached
[ 7.332183] ata3: SATA link down (SStatus 0 SControl F300)
[ 7.337980] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds
swapents oom_score_adj name
[ 7.346544] Kernel panic - not syncing: Out of memory and no killable
processes...
---
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