Public bug reported:
=============================
lsb_release -rd
=============================
Description: Ubuntu 12.04 LTS
Release: 12.04
_________________________________
=============================
apt-cache policy linux
=============================
linux:
Installed: (none)
Candidate: 3.2.0.24.26
Version table:
3.2.0.24.26 0
500 http://de.archive.ubuntu.com/ubuntu/ precise-updates/main i386
Packages
3.2.0.23.25 0
500 http://de.archive.ubuntu.com/ubuntu/ precise/main i386 Packages
_________________________________
=============================
uname -a
=============================
Linux anfas-EX58-UD4 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC
2011 i686 i686 i386 GNU/Linux
_________________________________
=============================
Description
=============================
Kernel panic during ordinary system usage - youtube video.
_________________________________
=============================
Kernel log
=============================
May 6 13:46:55 EX58-UD4 kernel: [38424.894523] BUG: unable to handle kernel
paging request at 33fe0010
May 6 13:46:55 EX58-UD4 kernel: [38424.894654] IP: [<c113f6c0>]
prune_icache+0x150/0x2b0
May 6 13:46:55 EX58-UD4 kernel: [38424.894752] *pde = 00000000
May 6 13:46:55 EX58-UD4 kernel: [38424.894809] Oops: 0002 [#1] SMP
May 6 13:46:55 EX58-UD4 kernel: [38424.894865] Modules linked in: bnep rfcomm
bluetooth parport_pc ppdev binfmt_misc nls_iso8859_1 nls_cp437 vfat fat
snd_hda_codec_realtek snd_usb_audio snd_hda_intel snd_usbmidi_lib snd_hda_codec
arc4 uvcvideo snd_seq_midi ath9k snd_hwdep lm63 videodev snd_rawmidi
snd_seq_midi_event snd_seq snd_pcm snd_timer snd_seq_device mac80211 snd
soundcore mxm_wmi wmi snd_page_alloc joydev radeon ttm drm_kms_helper
i7core_edac edac_core ath9k_common ath9k_hw ath cfg80211 psmouse serio_raw drm
i2c_algo_bit lp parport hid_sunplus firewire_ohci usb_storage firewire_core
usbhid hid uas crc_itu_t r8169 ahci pata_jmicron libahci
May 6 13:46:55 EX58-UD4 kernel: [38424.895583]
May 6 13:46:55 EX58-UD4 kernel: [38424.895601] Pid: 49, comm: kswapd0 Not
tainted 3.0.0-12-generic #20-Ubuntu Gigabyte Technology Co., Ltd.
EX58-UD4/EX58-UD4
May 6 13:46:55 EX58-UD4 kernel: [38424.895706] EIP: 0060:[<c113f6c0>] EFLAGS:
00010206 CPU: 6
May 6 13:46:55 EX58-UD4 kernel: [38424.895757] EIP is at
prune_icache+0x150/0x2b0
May 6 13:46:55 EX58-UD4 kernel: [38424.895797] EAX: 33fe0010 EBX: c0039f4c
ECX: 00000101 EDX: c177bd14
May 6 13:46:55 EX58-UD4 kernel: [38424.895852] ESI: c0039f14 EDI: 00000049
EBP: f318bea8 ESP: f318be80
May 6 13:46:55 EX58-UD4 kernel: [38424.895908] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
May 6 13:46:55 EX58-UD4 kernel: [38424.895956] Process kswapd0 (pid: 49,
ti=f318a000 task=f3a9cc80 task.ti=f318a000)
May 6 13:46:55 EX58-UD4 kernel: [38424.896021] Stack:
May 6 13:46:55 EX58-UD4 kernel: [38424.896040] c10e7121 e4cef8c8 00000000
c19330a8 00000080 e4cef914 ef37320c c177bd1c
May 6 13:46:55 EX58-UD4 kernel: [38424.896133] 00000083 f318bf68 f318beb0
c113f843 f318beec c10ecdf8 0000000c 00000000
May 6 13:46:55 EX58-UD4 kernel: [38424.896225] ffffffff 00000011 00000000
00010360 0000012c 0008e4eb 00010360 00000000
May 6 13:46:55 EX58-UD4 kernel: [38424.896318] Call Trace:
May 6 13:46:55 EX58-UD4 kernel: [38424.896345] [<c10e7121>] ?
global_dirty_limits+0x31/0xd0
May 6 13:46:55 EX58-UD4 kernel: [38424.896396] [<c113f843>]
shrink_icache_memory+0x23/0x50
May 6 13:46:55 EX58-UD4 kernel: [38424.896445] [<c10ecdf8>]
shrink_slab+0x118/0x180
May 6 13:46:55 EX58-UD4 kernel: [38424.896488] [<c10eee64>]
balance_pgdat+0x3f4/0x560
May 6 13:46:55 EX58-UD4 kernel: [38424.896534] [<c10ef08f>] kswapd+0xbf/0x1c0
May 6 13:46:55 EX58-UD4 kernel: [38424.896573] [<c10eefd0>] ?
balance_pgdat+0x560/0x560
May 6 13:46:55 EX58-UD4 kernel: [38424.896620] [<c1065a4d>] kthread+0x6d/0x80
May 6 13:46:55 EX58-UD4 kernel: [38424.896660] [<c10659e0>] ?
flush_kthread_worker+0x80/0x80
May 6 13:46:55 EX58-UD4 kernel: [38424.896711] [<c1533b7e>]
kernel_thread_helper+0x6/0x10
_________________________________
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/995632
Title:
kswapd caused kernel panic - prune_icache bug
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