kernel BUG at mm/slab.c:601

From: Brian Phelps
Date: Tue Nov 18 2008 - 18:26:21 EST

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This possible kernel bug (see bottom) is very reproducible when the
pci bus gets loaded with traffic, specifically video data.
It has been reproduced on 2 identical machines.

Please let me know if you need more information

# uname -r
2.6.27.6

# free -m
total used free shared buffers cached
Mem: 487 139 347 0 2 24
-/+ buffers/cache: 113 374
Swap: 0 0 0

#gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian
4.3.2-1' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc
--enable-mpfr --enable-targets=all --enable-cld
--enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu
--target=i486-linux-gnu
Thread model: posix
gcc version 4.3.2 (Debian 4.3.2-1)

# lspci -v
00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM
Controller (rev 10)
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] Vendor Specific Information <?>
Kernel driver in use: agpgart-intel
Kernel modules: intel-agp

00:01.0 PCI bridge: Intel Corporation 82G33/G31/P35/P31 Express PCI
Express Root Port (rev 10) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Capabilities: [88] Subsystem: Intel Corporation Device 0000
Capabilities: [80] Power Management version 3
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable+
Capabilities: [a0] Express Root Port (Slot+), MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [140] Root Complex Link <?>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express
Integrated Graphics Controller (rev 10) (prog-if 00 [VGA controller])
Subsystem: Intel Corporation 82G33/G31 Express Integrated
Graphics Controller
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at feb00000 (32-bit, non-prefetchable) [size=512K]
I/O ports at e140 [size=8]
Memory at c0000000 (32-bit, prefetchable) [size=256M]
Memory at fe900000 (32-bit, non-prefetchable) [size=1M]
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable-
Capabilities: [d0] Power Management version 2

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High
Definition Audio Controller (rev 01)
Subsystem: Intel Corporation Device d608
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at feb80000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+
Queue=0/0 Enable-
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [130] Root Complex Link <?>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel

00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express
Port 1 (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable+
Capabilities: [90] Subsystem: Intel Corporation 82801G (ICH7
Family) PCI Express Port 1
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel <?>
Capabilities: [180] Root Complex Link <?>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express
Port 2 (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: fea00000-feafffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable+
Capabilities: [90] Subsystem: Intel Corporation 82801G (ICH7
Family) PCI Express Port 2
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel <?>
Capabilities: [180] Root Complex Link <?>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
UHCI Controller #1 (rev 01) (prog-if 00 [UHCI])
Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1
Flags: bus master, medium devsel, latency 0, IRQ 23
I/O ports at e080 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
UHCI Controller #2 (rev 01) (prog-if 00 [UHCI])
Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2
Flags: bus master, medium devsel, latency 0, IRQ 19
I/O ports at e060 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
UHCI Controller #3 (rev 01) (prog-if 00 [UHCI])
Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at e040 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
UHCI Controller #4 (rev 01) (prog-if 00 [UHCI])
Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4
Flags: bus master, medium devsel, latency 0, IRQ 16
I/O ports at e020 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2
EHCI Controller (rev 01) (prog-if 20 [EHCI])
Subsystem: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at feb84000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
(prog-if 01 [Subtractive decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=06, sec-latency=248
Prefetchable memory behind bridge: 00000000d0000000-00000000d01fffff
Capabilities: [50] Subsystem: Gammagraphx, Inc. Device 0000

00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC
Interface Bridge (rev 01)
Subsystem: Intel Corporation DeskTop Board D945GTP
Flags: bus master, medium devsel, latency 0
Capabilities: [e0] Vendor Specific Information <?>
Kernel modules: intel-rng, iTCO_wdt

00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE
Controller (rev 01) (prog-if 8a [Master SecP PriP])
Subsystem: Intel Corporation 82801G (ICH7 Family) IDE Controller
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at 01f0 [size=8]
I/O ports at 03f4 [size=1]
I/O ports at 0170 [size=8]
I/O ports at 0374 [size=1]
I/O ports at e0f0 [size=16]
Kernel driver in use: PIIX_IDE
Kernel modules: ata_piix, piix

00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family)
SATA IDE Controller (rev 01) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA
IDE Controller
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
I/O ports at e0e0 [size=8]
I/O ports at e0d0 [size=4]
I/O ports at e0c0 [size=8]
I/O ports at e0b0 [size=4]
I/O ports at e0a0 [size=16]
Capabilities: [70] Power Management version 2
Kernel driver in use: ata_piix
Kernel modules: ata_piix

00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01)
Subsystem: Intel Corporation Device d608
Flags: medium devsel, IRQ 19
I/O ports at e000 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c-i801

03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
Subsystem: Intel Corporation Device d608
Flags: bus master, fast devsel, latency 0, IRQ 1276
I/O ports at d000 [size=256]
Memory at fea20000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at fea00000 [disabled] [size=128K]
Capabilities: [40] Power Management version 2
Capabilities: [48] Vital Product Data <?>
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+
Queue=0/1 Enable+
Capabilities: [60] Express Endpoint, MSI 00
Capabilities: [84] Vendor Specific Information <?>
Capabilities: [100] Advanced Error Reporting <?>
Capabilities: [12c] Virtual Channel <?>
Capabilities: [148] Device Serial Number 68-81-ec-00-00-00-00-00
Capabilities: [154] Power Budgeting <?>
Kernel driver in use: r8169
Kernel modules: r8169

04:05.0 PCI bridge: Hint Corp HB6 Universal PCI-PCI bridge
(non-transparent mode) (rev 11) (prog-if 00 [Normal decode])
Flags: bus master, medium devsel, latency 248
Bus: primary=04, secondary=05, subordinate=05, sec-latency=248
Prefetchable memory behind bridge: d0100000-d01fffff
Capabilities: [80] Power Management version 2
Capabilities: [90] CompactPCI hot-swap <?>
Kernel modules: shpchp

04:06.0 PCI bridge: Hint Corp HB6 Universal PCI-PCI bridge
(non-transparent mode) (rev 11) (prog-if 00 [Normal decode])
Flags: bus master, medium devsel, latency 248
Bus: primary=04, secondary=06, subordinate=06, sec-latency=248
Prefetchable memory behind bridge: d0000000-d00fffff
Capabilities: [80] Power Management version 2
Capabilities: [90] CompactPCI hot-swap <?>
Kernel modules: shpchp

05:08.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa00:1460
Flags: bus master, medium devsel, latency 248, IRQ 20
Memory at d0107000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

05:08.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa00:1460
Flags: bus master, medium devsel, latency 248, IRQ 11
Memory at d0106000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

05:09.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa01:1461
Flags: bus master, medium devsel, latency 248, IRQ 21
Memory at d0105000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

05:09.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa01:1461
Flags: bus master, medium devsel, latency 248, IRQ 10
Memory at d0104000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

05:0a.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa02:1462
Flags: bus master, medium devsel, latency 248, IRQ 22
Memory at d0103000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

05:0a.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa02:1462
Flags: bus master, medium devsel, latency 248, IRQ 5
Memory at d0102000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

05:0b.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa03:1463
Flags: bus master, medium devsel, latency 248, IRQ 23
Memory at d0101000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

05:0b.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa03:1463
Flags: bus master, medium devsel, latency 248, IRQ 5
Memory at d0100000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

06:08.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa00:1460
Flags: bus master, medium devsel, latency 248, IRQ 21
Memory at d0007000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

06:08.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa00:1460
Flags: bus master, medium devsel, latency 248, IRQ 10
Memory at d0006000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

06:09.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa01:1461
Flags: bus master, medium devsel, latency 248, IRQ 22
Memory at d0005000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

06:09.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa01:1461
Flags: bus master, medium devsel, latency 248, IRQ 5
Memory at d0004000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

06:0a.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa02:1462
Flags: bus master, medium devsel, latency 248, IRQ 23
Memory at d0003000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

06:0a.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa02:1462
Flags: bus master, medium devsel, latency 248, IRQ 5
Memory at d0002000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

06:0b.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Device aa03:1463
Flags: bus master, medium devsel, latency 248, IRQ 20
Memory at d0001000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Kernel driver in use: bttv
Kernel modules: bttv

06:0b.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
Subsystem: Device aa03:1463
Flags: bus master, medium devsel, latency 248, IRQ 11
Memory at d0000000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2

My processor is:

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
stepping : 11
cpu MHz : 2399.941
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl pni
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4799.88
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
stepping : 11
cpu MHz : 2399.941
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
apicid : 1
initial apicid : 1
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl pni
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4799.94
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
stepping : 11
cpu MHz : 2399.941
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl pni
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4799.97
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
stepping : 11
cpu MHz : 2399.941
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
apicid : 3
initial apicid : 3
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl pni
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4799.95
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

[ 213.780055] ------------[ cut here ]------------
[ 213.780060] kernel BUG at mm/slab.c:601!
[ 213.780063] invalid opcode: 0000 [1] SMP
[ 213.780066] CPU 3
[ 213.780068] Modules linked in: i915 drm ipv6 dm_snapshot dm_mirror
dm_log dm_mod coretemp w83627ehf hwmon_vid bttv ir_common
compat_ioctl32 videodev v4l1_compat i2c_algo_bit v4l2_common
videobuf_dma_sg videobuf_core btcx_risc tveeprom i2c_i801 rng_core
i2c_core ftdi_sio video snd_pcsp snd_hda_intel shpchp pci_hotplug
iTCO_wdt output usbserial button snd_pcm intel_agp snd_timer snd
soundcore snd_page_alloc evdev ext2 mbcache sd_mod ata_piix usbhid hid
ff_memless ata_generic piix libata scsi_mod dock floppy
ide_pci_generic ide_core ehci_hcd r8169 mii uhci_hcd thermal processor
fan thermal_sys
[ 213.780117] Pid: 18, comm: events/3 Not tainted 2.6.27.6 #3
[ 213.780119] RIP: 0010:[<ffffffff8029c3d3>] [<ffffffff8029c3d3>]
free_block+0x59/0x11f
[ 213.780128] RSP: 0000:ffff88001ea2ddd0 EFLAGS: 00010002
[ 213.780131] RAX: 0100000000010068 RBX: ffff88001c8043c0 RCX: ffffe20000000000
[ 213.780134] RDX: ffffe200005e5830 RSI: ffff88001cc0c018 RDI: ffff88001af4a580
[ 213.780136] RBP: ffff88001af4a580 R08: 0000000000000000 R09: ffff88001eefba18
[ 213.780139] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 213.780141] R13: ffff88001cc0c018 R14: 000000000000002c R15: 000000000000002c
[ 213.780144] FS: 0000000000000000(0000) GS:ffff88001e9d5940(0000)
knlGS:0000000000000000
[ 213.780147] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 213.780150] CR2: 00000000f7efff05 CR3: 000000000612c000 CR4: 00000000000006e0
[ 213.780152] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 213.780155] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 213.780158] Process events/3 (pid: 18, threadinfo ffff88001ea2c000,
task ffff88001ea2b500)
[ 213.780160] Stack: 0000000000000000 ffff88001cc0c018
000000000000002c ffff88001cc0c000
[ 213.780166] ffff88001cc9ac40 0000000000000000 ffff88001c8043c0
ffffffff8029c651
[ 213.780171] 0000000000000000 ffffffff805f61d0 ffff88001cc9ac40
ffff88001c8043c0
[ 213.780175] Call Trace:
[ 213.780179] [<ffffffff8029c651>] ? drain_array+0x89/0xbb
[ 213.780182] [<ffffffff8029d323>] ? cache_reap+0x105/0x205
[ 213.780186] [<ffffffff8029d21e>] ? cache_reap+0x0/0x205
[ 213.780190] [<ffffffff80244f04>] ? run_workqueue+0x79/0xfe
[ 213.780193] [<ffffffff80245061>] ? worker_thread+0xd8/0xe7
[ 213.780197] [<ffffffff8024839a>] ? autoremove_wake_function+0x0/0x2e
[ 213.780200] [<ffffffff80244f89>] ? worker_thread+0x0/0xe7
[ 213.780203] [<ffffffff80248076>] ? kthread+0x47/0x73
[ 213.780207] [<ffffffff80233bd8>] ? schedule_tail+0x27/0x5f
[ 213.780211] [<ffffffff8020ce69>] ? child_rip+0xa/0x11
[ 213.780215] [<ffffffff8024802f>] ? kthread+0x0/0x73
[ 213.780218] [<ffffffff8020ce5f>] ? child_rip+0x0/0x11
[ 213.780219]
[ 213.780220]
[ 213.780222] Code: fc 5c f8 ff 48 c1 e8 0c 48 b9 00 00 00 00 00 e2
ff ff 48 6b c0 38 48 8d 14 08 48 8b 02 f6 c4 40 74 04 48 8b 52 10 80
3a 00 78 04 <0f> 0b eb fe 48 8b 72 30 4a 8b 4c f3 08 48 8b 16 48 8b 46
08 48
[ 213.780256] RIP [<ffffffff8029c3d3>] free_block+0x59/0x11f
[ 213.780260] RSP <ffff88001ea2ddd0>
[ 213.780263] ---[ end trace 9ddcc7899ba6622f ]---
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Next message: Andi Kleen: "Re: [RFC,v2] x86_64: save_args out of line"
Previous message: Nauman Rafique: "Re: [patch 0/4] [RFC] Another proportional weight IO controller"
Next in thread: Brian Phelps: "Re: kernel BUG at mm/slab.c:601"
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