Public bug reported:
I did a fresh install of Jaunty a week ago and today frequent freezes started
appearing.
The relevant part of /var/log/messages is:
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897630] BUG: unable to handle kernel
NULL pointer dereference at 0000000000000000
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897635] IP: [<ffffffff802ce46c>]
page_referenced+0xfc/0x170
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897643] PGD 0
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897645] Oops: 0000 [#1] SMP
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897647] last sysfs file:
/sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/rfkill/rfkill1/state
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897650] Dumping ftrace buffer:
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897652] (ftrace buffer empty)
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897653] CPU 1
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897655] Modules linked in:
binfmt_misc bridge stp bnep vmnet ppdev parport_pc vmblock vmci vmmon
input_polldev btusb lp parport snd_hda_intel snd_pcm_oss snd_mixer_oss arc4
pcmcia snd_pcm ecb snd_seq_dummy snd_seq_oss snd_seq_midi iwlagn snd_rawmidi
snd_seq_midi_event iwlcore thinkpad_acpi led_class nvram snd_seq snd_timer
snd_seq_device mac80211 psmouse sdhci_pci iTCO_wdt snd soundcore pcspkr
ricoh_mmc serio_raw sdhci yenta_socket rsrc_nonstatic pcmcia_core
iTCO_vendor_support snd_page_alloc cfg80211 fglrx(P) intel_agp video output
usbhid usb_storage ohci1394 ieee1394 e1000e fbcon tileblit font bitblit
softcursor
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897685] Pid: 32, comm: kswapd0
Tainted: P 2.6.28-11-generic #42-Ubuntu
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897687] RIP:
0010:[<ffffffff802ce46c>] [<ffffffff802ce46c>] page_referenced+0xfc/0x170
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897690] RSP: 0018:ffff88013a403b90
EFLAGS: 00010202
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897692] RAX: 0000000000000000 RBX:
ffffffffffffff98 RCX: 00003ffffffff000
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897693] RDX: ffff88013a403bb4 RSI:
ffff88013a544000 RDI: 0000000000000001
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897695] RBP: ffff88013a403be0 R08:
0000000000000000 R09: 0000000000000001
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897696] R10: 0000000000000000 R11:
0000000000000000 R12: ffffe2000436cf28
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897697] R13: 0000000000000000 R14:
0000000000000000 R15: 0000000000000000
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897699] FS: 0000000000000000(0000)
GS:ffff88013b802d80(0000) knlGS:0000000000000000
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897700] CS: 0010 DS: 0018 ES: 0018
CR0: 000000008005003b
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897702] CR2: 0000000000000000 CR3:
0000000000201000 CR4: 00000000000006a0
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897703] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897705] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897707] Process kswapd0 (pid: 32,
threadinfo ffff88013a402000, task ffff880139359660)
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897708] Stack:
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897709] ffff88013a403bb0
ffff880138d6dcc0 ffff880138d6dcc8 0000000000000000
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897711] 000000013a403e30
ffffe2000436cf28 ffffe2000436cf50 0000000000000012
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897714] ffff88013a403e30
ffff88013a403ce0 ffff88013a403d30 ffffffff802bd26e
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897717] Call Trace:
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897719] [<ffffffff802bd26e>]
shrink_active_list+0x11e/0x4f0
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897721] [<ffffffff802b7fb5>] ?
determine_dirtyable_memory+0x15/0x30
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897725] [<ffffffff802b8042>] ?
get_dirty_limits+0x22/0x290
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897727] [<ffffffff802be3aa>]
shrink_zone+0x17a/0x1e0
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897729] [<ffffffff802bc067>] ?
shrink_slab+0x147/0x180
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897731] [<ffffffff802beea6>]
balance_pgdat+0x586/0x5c0
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897733] [<ffffffff802bcd50>] ?
isolate_pages_global+0x0/0x50
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897736] [<ffffffff802befc6>]
kswapd+0xe6/0x150
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897737] [<ffffffff80268930>] ?
autoremove_wake_function+0x0/0x40
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897741] [<ffffffff802beee0>] ?
kswapd+0x0/0x150
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897743] [<ffffffff802684c9>]
kthread+0x49/0x90
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897745] [<ffffffff80213979>]
child_rip+0xa/0x11
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897748] [<ffffffff80268480>] ?
kthread+0x0/0x90
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897750] [<ffffffff8021396f>] ?
child_rip+0x0/0x11
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897752] Code: c2 08 48 89 55 c0 48
8d 58 98 eb 1f 0f 1f 00 48 8b 03 48 8b b8 00 03 00 00 e8 21 5a 01 00 49 39 c5
74 1e 48 8b 43 68 48 8d 58 98 <48> 8b 43 68 0f 18 08 48 8d 43 68 48 39 45 c0 74
1e 4d 85 ed 75
Jun 2 14:19:19 jure-laptop kernel: [ 4222.897775] RIP [<ffffffff802ce46c>]
page_referenced+0xfc/0x170
----file truncated----
ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
HibernationDevice: RESUME=UUID=486c739e-4226-45ff-bb6d-98d0d7fc99bf
MachineType: LENOVO 40613DG
NonfreeKernelModules: fglrx
Package: linux-image-2.6.28-11-generic 2.6.28-11.42
ProcCmdLine: root=UUID=0e020b8e-fca1-46f1-8663-32e3fed4e22c ro quiet splash
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-11.42-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
Frequent system freezes
https://bugs.launchpad.net/bugs/382761
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