Public bug reported:
Desktop randomly crashes with following trace:
Oct 3 16:03:42 localhost kernel: [ 280.759893] ------------[ cut here
]------------
Oct 3 16:03:42 localhost kernel: [ 280.760013] kernel BUG at
/build/buildd/linux-2.6.38/mm/slub.c:2747!
Oct 3 16:03:42 localhost kernel: [ 280.760163] invalid opcode: 0000 [#1] SMP
Oct 3 16:03:42 localhost kernel: [ 280.760278] last sysfs file:
/sys/devices/pci0000:00/0000:00:05.0/0000:02:00.0/net/eth0/statistics/collisions
Oct 3 16:03:42 localhost kernel: [ 280.760513] Modules linked in: binfmt_misc
parport_pc ppdev pci_stub vboxpci vboxnetadp vboxnetflt rfcomm
snd_hda_codec_hdmi snd_usb_audio snd_usbmidi_lib gspca_sonixj gspca_main
videodev sco bnep l2cap vboxdrv btusb bluetooth snd_hda_codec_realtek
snd_hda_intel radeon snd_hda_codec snd_seq_midi snd_hwdep snd_rawmidi snd_pcm
snd_seq_midi_event snd_seq ttm snd_timer hid_cherry drm_kms_helper
snd_seq_device joydev drm usbhid hid snd psmouse i2c_algo_bit serio_raw k10temp
soundcore snd_page_alloc sp5100_tco i2c_piix4 shpchp f71882fg lp parport
usb_storage uas ahci libahci pata_atiixp r8169
Oct 3 16:03:42 localhost kernel: [ 280.762060]
Oct 3 16:03:42 localhost kernel: [ 280.762101] Pid: 1266, comm: Xorg Not
tainted 2.6.38-11-generic-pae #50-Ubuntu MICRO-STAR INTERNATIONAL CO.,LTD
MS-7551/KA790GX (MS-7551)
Oct 3 16:03:42 localhost kernel: [ 280.762401] EIP: 0060:[<c1125e56>] EFLAGS:
00213246 CPU: 0
Oct 3 16:03:42 localhost kernel: [ 280.762533] EIP is at kfree+0xd6/0xe0
Oct 3 16:03:42 localhost kernel: [ 280.762617] EAX: 40000040 EBX: f4906000
ECX: f757e000 EDX: 00000000
Oct 3 16:03:42 localhost kernel: [ 280.762760] ESI: 00000028 EDI: ec800040
EBP: f6b33e00 ESP: f6b33dec
Oct 3 16:03:42 localhost kernel: [ 280.762900] DS: 007b ES: 007b FS: 00d8
GS: 00e0 SS: 0068
Oct 3 16:03:42 localhost kernel: [ 280.763021] Process Xorg (pid: 1266,
ti=f6b32000 task=ef455860 task.ti=f6b32000)
Oct 3 16:03:42 localhost kernel: [ 280.763184] Stack:
Oct 3 16:03:42 localhost kernel: [ 280.763233] f02f6ca0 f8842027 f6b33e3c
00000028 00000002 f6b33e1c f8842027 00000003
Oct 3 16:03:42 localhost kernel: [ 280.763452] f6f67014 f2065000 00000000
f6b33e84 f6b33e90 f8842710 f2065d9c 00000100
Oct 3 16:03:42 localhost kernel: [ 280.763532] f6b33e44 f6b33edc f2065c94
f6b33e3c f7584060 f2065000 f6fab100 00000002
Oct 3 16:03:42 localhost kernel: [ 280.763532] Call Trace:
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<f8842027>] ?
radeon_cs_parser_fini+0x77/0x130 [radeon]
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<f8842027>]
radeon_cs_parser_fini+0x77/0x130 [radeon]
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<f8842710>]
radeon_cs_ioctl+0x90/0x180 [radeon]
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<f86bbdb1>]
drm_ioctl+0x1e1/0x470 [drm]
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<f8842680>] ?
radeon_cs_ioctl+0x0/0x180 [radeon]
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<c110bf39>] ?
handle_mm_fault+0x109/0x1b0
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<c1535bf0>] ?
do_page_fault+0x0/0x490
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<c1535e1f>] ?
do_page_fault+0x22f/0x490
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<f86bbbd0>] ?
drm_ioctl+0x0/0x470 [drm]
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<c11420fb>]
do_vfs_ioctl+0x7b/0x2e0
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<c11423e7>]
sys_ioctl+0x87/0x90
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<c10763e1>] ?
sys_clock_gettime+0x71/0xb0
Oct 3 16:03:42 localhost kernel: [ 280.763532] [<c100ab5f>]
sysenter_do_call+0x12/0x28
Oct 3 16:03:42 localhost kernel: [ 280.763532] Code: e9 6b ff ff ff 89 0c 24
89 da 89 f9 89 f0 e8 52 f6 ff ff eb b6 f6 c4 c0 74 11 89 d8 e8 a4 f8 fc ff eb
b1 8b 5b 0c e9 67 ff ff ff <0f> 0b 90 8d b4 26 00 00 00 00 55 89 e5 53 3e 8d 74
26 00 8d 58
Oct 3 16:03:42 localhost kernel: [ 280.763532] EIP: [<c1125e56>]
kfree+0xd6/0xe0 SS:ESP 0068:f6b33dec
Oct 3 16:03:42 localhost kernel: [ 280.806335] ---[ end trace
9ce78b90abeb42f2 ]---
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/865587
Title:
kernel BUG at /build/buildd/linux-2.6.38/mm/slub.c:2747
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