Public bug reported:

Binary package hint: yelp

Unknown reason why the system crashed -- it was running Eclipse, Firefox
as well as a VirtualBox 3.0.10 process on different virtual screens.

An Android phone was connected to the USB port, but not mounted.

The system crashed hard when ctrl+s was pressed in Eclipse, and on
reboot, the file which was being edited was empty (hooray for backups).

As reported previously, several "soft" crashes have appeared on this
system which have been difficult to diagnose -- memtest86 does not
return any errors (manually cancelled after running for 12 hrs without
failure), and recently I have also reverted to not using any fancy
desktop effects.

Previous "soft" errors include:

Nov  3 22:53:38 t61p kernel: [ 8066.258512] ------------[ cut here ]------------
Nov  3 22:53:38 t61p kernel: [ 8066.258524] kernel BUG at 
/build/buildd/linux-2.6.28/mm/slub.c:2743!
Nov  3 22:53:38 t61p kernel: [ 8066.258530] invalid opcode: 0000 [#1] SMP 
Nov  3 22:53:38 t61p kernel: [ 8066.258537] last sysfs file: 
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
Nov  3 22:53:38 t61p kernel: [ 8066.258543] Dumping ftrace buffer:
Nov  3 22:53:38 t61p kernel: [ 8066.258548]    (ftrace buffer empty)
Nov  3 22:53:38 t61p kernel: [ 8066.258552] CPU 0 
Nov  3 22:53:38 t61p kernel: [ 8066.258556] Modules linked in: usb_storage 
binfmt_misc bridge stp bnep vboxnetadp vboxnetflt vboxdrv vmnet ppdev 
parport_pc vmblock vsock vmci vmmon input_polldev lp parport snd_hda_intel 
snd_pcm_oss snd_mixer_oss joydev snd_pcm snd_seq_dummy snd_seq_oss arc4 
snd_seq_midi snd_rawmidi ecb snd_seq_midi_event pcmcia snd_seq iwlagn iwlcore 
snd_timer snd_seq_device yenta_socket thinkpad_acpi mac80211 snd video 
rsrc_nonstatic led_class psmouse soundcore intel_agp pcmcia_core iTCO_wdt 
iTCO_vendor_support output sierra usbserial nvram btusb pcspkr ricoh_mmc 
sdhci_pci sdhci serio_raw cfg80211 snd_page_alloc nvidia(P) usbhid ohci1394 
ieee1394 e1000e fbcon tileblit font bitblit softcursor
Nov  3 22:53:38 t61p kernel: [ 8066.258668] Pid: 4910, comm: usb-storage 
Tainted: P           2.6.28-16-generic #55-Ubuntu
Nov  3 22:53:38 t61p kernel: [ 8066.258673] RIP: 0010:[<ffffffff802e2a5a>]  
[<ffffffff802e2a5a>] kfree+0xfa/0x100
Nov  3 22:53:38 t61p kernel: [ 8066.258689] RSP: 0018:ffff88010e8fdc90  EFLAGS: 
00010246
Nov  3 22:53:38 t61p kernel: [ 8066.258693] RAX: 8000000000040000 RBX: 
ffffe20003800000 RCX: ffff88002802cc80
Nov  3 22:53:38 t61p kernel: [ 8066.258698] RDX: ffffe20000000000 RSI: 
ffffffff805301e0 RDI: ffff880100000000
Nov  3 22:53:38 t61p kernel: [ 8066.258702] RBP: ffff88010e8fdcc0 R08: 
ffff88010e8fc000 R09: 0000000000000001
Nov  3 22:53:38 t61p kernel: [ 8066.258707] R10: 0000000000000000 R11: 
0000000000000000 R12: ffff8801175e3768
Nov  3 22:53:38 t61p kernel: [ 8066.258711] R13: ffff880100000000 R14: 
0000000000000001 R15: ffff8801175e3730
Nov  3 22:53:38 t61p kernel: [ 8066.258717] FS:  0000000000000000(0000) 
GS:ffffffff80a9b000(0000) knlGS:0000000000000000
Nov  3 22:53:38 t61p kernel: [ 8066.258722] CS:  0010 DS: 0018 ES: 0018 CR0: 
000000008005003b
Nov  3 22:53:38 t61p kernel: [ 8066.258726] CR2: 00007f82302d3000 CR3: 
0000000000201000 CR4: 00000000000006a0
Nov  3 22:53:38 t61p kernel: [ 8066.258731] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
Nov  3 22:53:38 t61p kernel: [ 8066.258736] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
Nov  3 22:53:38 t61p kernel: [ 8066.258741] Process usb-storage (pid: 4910, 
threadinfo ffff88010e8fc000, task ffff88012009c320)
Nov  3 22:53:38 t61p kernel: [ 8066.258746] Stack:
Nov  3 22:53:38 t61p kernel: [ 8066.258749]  ffff88010e8fdcb0 ffff8801175e3720 
ffff8801175e3768 0000000000000000
Nov  3 22:53:38 t61p kernel: [ 8066.258757]  0000000000000001 ffff8801175e3730 
ffff88010e8fdce0 ffffffff80530aee
Nov  3 22:53:38 t61p kernel: [ 8066.258766]  ffff88010e8fdce0 ffff8801175e3720 
ffff88010e8fdd20 ffffffff80530c85
Nov  3 22:53:38 t61p kernel: [ 8066.258776] Call Trace:
Nov  3 22:53:38 t61p kernel: [ 8066.258780]  [<ffffffff80530aee>] 
sg_clean+0x3e/0x80
Nov  3 22:53:38 t61p kernel: [ 8066.258789]  [<ffffffff80530c85>] 
usb_sg_wait+0x155/0x1b0
Nov  3 22:53:38 t61p kernel: [ 8066.258797]  [<ffffffffa0d98885>] 
usb_stor_bulk_transfer_sglist+0xa5/0xf0 [usb_storage]
Nov  3 22:53:38 t61p kernel: [ 8066.258818]  [<ffffffffa0d988f0>] 
usb_stor_bulk_srb+0x20/0x30 [usb_storage]
Nov  3 22:53:38 t61p kernel: [ 8066.258834]  [<ffffffffa0d98d2e>] 
usb_stor_Bulk_transport+0x11e/0x340 [usb_storage]
Nov  3 22:53:38 t61p kernel: [ 8066.258850]  [<ffffffffa0d9824a>] 
usb_stor_invoke_transport+0xfa/0x2e0 [usb_storage]
Nov  3 22:53:38 t61p kernel: [ 8066.258866]  [<ffffffffa0d97dc9>] 
usb_stor_transparent_scsi_command+0x9/0x10 [usb_storage]
Nov  3 22:53:38 t61p kernel: [ 8066.258881]  [<ffffffffa0d9a16f>] 
usb_stor_control_thread+0x15f/0x240 [usb_storage]
Nov  3 22:53:38 t61p kernel: [ 8066.258897]  [<ffffffffa0d9a010>] ? 
usb_stor_control_thread+0x0/0x240 [usb_storage]
Nov  3 22:53:38 t61p kernel: [ 8066.258912]  [<ffffffff80268689>] 
kthread+0x49/0x90
Nov  3 22:53:38 t61p kernel: [ 8066.258922]  [<ffffffff80213979>] 
child_rip+0xa/0x11
Nov  3 22:53:38 t61p kernel: [ 8066.258930]  [<ffffffff80268640>] ? 
kthread+0x0/0x90
Nov  3 22:53:38 t61p kernel: [ 8066.258937]  [<ffffffff8021396f>] ? 
child_rip+0x0/0x11
Nov  3 22:53:38 t61p kernel: [ 8066.258944] Code: 90 8b 41 10 85 c0 78 c2 8b 51 
14 48 8b 01 49 89 44 d5 00 4c 89 29 eb c7 f6 c4 60 74 0e 48 89 df e8 6c 7c fd 
ff 0f 1f 40 00 eb bf <0f> 0b eb fe 66 90 55 48 81 ef a8 00 00 00 48 89 e5 e8 f0 
fe ff 
Nov  3 22:53:38 t61p kernel: [ 8066.259020] RIP  [<ffffffff802e2a5a>] 
kfree+0xfa/0x100
Nov  3 22:53:38 t61p kernel: [ 8066.259027]  RSP <ffff88010e8fdc90>
Nov  3 22:53:38 t61p kernel: [ 8066.259033] ---[ end trace d04d7f9e6d74d35c ]---
Nov  3 22:53:55 t61p NetworkManager: <info>  HAL disappeared 
Nov  3 22:53:55 t61p kernel: [ 8083.252457] general protection fault: 0000 [#2] 
SMP 
Nov  3 22:53:55 t61p kernel: [ 8083.252468] last sysfs file: 
/sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/present
Nov  3 22:53:55 t61p kernel: [ 8083.252475] CPU 0 
Nov  3 22:53:55 t61p kernel: [ 8083.252479] Modules linked in: usb_storage 
binfmt_misc bridge stp bnep vboxnetadp vboxnetflt vboxdrv vmnet ppdev 
parport_pc vmblock vsock vmci vmmon input_polldev lp parport snd_hda_intel 
snd_pcm_oss snd_mixer_oss joydev snd_pcm snd_seq_dummy snd_seq_oss arc4 
snd_seq_midi snd_rawmidi ecb snd_seq_midi_event pcmcia snd_seq iwlagn iwlcore 
snd_timer snd_seq_device yenta_socket thinkpad_acpi mac80211 snd video 
rsrc_nonstatic led_class psmouse soundcore intel_agp pcmcia_core iTCO_wdt 
iTCO_vendor_support output sierra usbserial nvram btusb pcspkr ricoh_mmc 
sdhci_pci sdhci serio_raw cfg80211 snd_page_alloc nvidia(P) usbhid ohci1394 
ieee1394 e1000e fbcon tileblit font bitblit softcursor
Nov  3 22:53:55 t61p kernel: [ 8083.252589] Pid: 3334, comm: hald Tainted: P    
  D    2.6.28-16-generic #55-Ubuntu
Nov  3 22:53:55 t61p kernel: [ 8083.252594] RIP: 0010:[<ffffffff802e3504>]  
[<ffffffff802e3504>] __kmalloc+0x74/0x110
Nov  3 22:53:55 t61p kernel: [ 8083.252610] RSP: 0018:ffff88012fc01bd8  EFLAGS: 
00010082
Nov  3 22:53:55 t61p kernel: [ 8083.252615] RAX: 0000000000000000 RBX: 
8d9700c3a00000bc RCX: 0000000000000004
Nov  3 22:53:55 t61p kernel: [ 8083.252620] RDX: ffff88002802cca0 RSI: 
00000000000080d0 RDI: 0000000000000008
Nov  3 22:53:55 t61p kernel: [ 8083.252625] RBP: ffff88012fc01c08 R08: 
0000000000000000 R09: ffff88012a1a7d40
Nov  3 22:53:55 t61p kernel: [ 8083.252629] R10: 0000000000000000 R11: 
0000000000000246 R12: ffffffff809abcb8
Nov  3 22:53:55 t61p kernel: [ 8083.252634] R13: 0000000000000282 R14: 
00000000000080d0 R15: ffffffff80460262
Nov  3 22:53:55 t61p kernel: [ 8083.252640] FS:  00007f46604926f0(0000) 
GS:ffffffff80a9b000(0000) knlGS:0000000000000000
Nov  3 22:53:55 t61p kernel: [ 8083.252645] CS:  0010 DS: 0000 ES: 0000 CR0: 
000000008005003b
Nov  3 22:53:55 t61p kernel: [ 8083.252649] CR2: 00007f823032d000 CR3: 
000000013a06c000 CR4: 00000000000006a0
Nov  3 22:53:55 t61p kernel: [ 8083.252655] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
Nov  3 22:53:55 t61p kernel: [ 8083.252659] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
Nov  3 22:53:55 t61p kernel: [ 8083.252665] Process hald (pid: 3334, threadinfo 
ffff88012fc00000, task ffff88013a58acc0)
Nov  3 22:53:55 t61p kernel: [ 8083.252669] Stack:
Nov  3 22:53:55 t61p kernel: [ 8083.252672]  000000082fc01be8 0000000000000008 
0000000000000004 ffff88012fc01c38
Nov  3 22:53:55 t61p kernel: [ 8083.252680]  ffff88012fc01d00 ffffffff8081a0a4 
ffff88012fc01c28 ffffffff80460262
Nov  3 22:53:55 t61p kernel: [ 8083.252690]  ffff88007f47e060 ffff88012a1a7d60 
ffff88012fc01c88 ffffffff80460458
Nov  3 22:53:55 t61p kernel: [ 8083.252700] Call Trace:
Nov  3 22:53:55 t61p kernel: [ 8083.252704]  [<ffffffff80460262>] 
acpi_os_allocate_zeroed+0x37/0x3b
Nov  3 22:53:55 t61p kernel: [ 8083.252718]  [<ffffffff80460458>] 
acpi_ns_internalize_name+0x3f/0x7f
Nov  3 22:53:55 t61p kernel: [ 8083.252728]  [<ffffffff804604d9>] 
acpi_ns_get_node+0x41/0xa1
Nov  3 22:53:55 t61p kernel: [ 8083.252736]  [<ffffffff802f191c>] ? 
path_put+0x2c/0x40
Nov  3 22:53:55 t61p kernel: [ 8083.252744]  [<ffffffff802b6521>] ? 
prep_new_page+0xf1/0x1a0
Nov  3 22:53:55 t61p kernel: [ 8083.252753]  [<ffffffff8045fba3>] 
acpi_ns_evaluate+0x3f/0x230
Nov  3 22:53:55 t61p kernel: [ 8083.252761]  [<ffffffff8045f777>] 
acpi_evaluate_object+0xfc/0x205
Nov  3 22:53:55 t61p kernel: [ 8083.252769]  [<ffffffff802b6986>] ? 
get_page_from_freelist+0xd6/0x190
Nov  3 22:53:55 t61p kernel: [ 8083.252777]  [<ffffffff8046ddaf>] 
acpi_battery_get_state+0x80/0xf4
Nov  3 22:53:55 t61p kernel: [ 8083.252787]  [<ffffffff8046e0c5>] 
acpi_battery_get_property+0x2c/0x1aa
Nov  3 22:53:55 t61p kernel: [ 8083.252795]  [<ffffffff80562de4>] 
power_supply_show_property+0x54/0x150
Nov  3 22:53:55 t61p kernel: [ 8083.252804]  [<ffffffff804b767d>] 
dev_attr_show+0x2d/0x70
Nov  3 22:53:55 t61p kernel: [ 8083.252813]  [<ffffffff80347ca0>] 
sysfs_read_file+0xb0/0x170
Nov  3 22:53:55 t61p kernel: [ 8083.252822]  [<ffffffff802e8488>] 
vfs_read+0xc8/0x130
Nov  3 22:53:55 t61p kernel: [ 8083.252830]  [<ffffffff802e85e0>] 
sys_read+0x50/0x90
Nov  3 22:53:55 t61p kernel: [ 8083.252837]  [<ffffffff8021253a>] 
system_call_fastpath+0x16/0x1b
Nov  3 22:53:55 t61p kernel: [ 8083.252846] Code: fa 0f 1f 80 00 00 00 00 65 8b 
04 25 24 00 00 00 48 98 49 8b 94 c4 e8 00 00 00 8b 7a 18 89 7d d4 48 8b 1a 48 
85 db 74 4f 8b 42 14 <48> 8b 04 c3 48 89 02 4c 89 ef 57 9d 66 0f 1f 44 00 00 66 
45 85 
Nov  3 22:53:55 t61p kernel: [ 8083.252923] RIP  [<ffffffff802e3504>] 
__kmalloc+0x74/0x110
Nov  3 22:53:55 t61p kernel: [ 8083.252930]  RSP <ffff88012fc01bd8>
Nov  3 22:53:55 t61p kernel: [ 8083.252936] ---[ end trace d04d7f9e6d74d35c ]---
Nov  3 22:53:58 t61p kernel: [ 8087.029782] general protection fault: 0000 [#3] 
SMP 
Nov  3 22:53:58 t61p kernel: [ 8087.029793] last sysfs file: 
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
Nov  3 22:53:58 t61p kernel: [ 8087.029799] CPU 0 
Nov  3 22:53:58 t61p kernel: [ 8087.029803] Modules linked in: usb_storage 
binfmt_misc bridge stp bnep vboxnetadp vboxnetflt vboxdrv vmnet ppdev 
parport_pc vmblock vsock vmci vmmon input_polldev lp parport snd_hda_intel 
snd_pcm_oss snd_mixer_oss joydev snd_pcm snd_seq_dummy snd_seq_oss arc4 
snd_seq_midi snd_rawmidi ecb snd_seq_midi_event pcmcia snd_seq iwlagn iwlcore 
snd_timer snd_seq_device yenta_socket thinkpad_acpi mac80211 snd video 
rsrc_nonstatic led_class psmouse soundcore intel_agp pcmcia_core iTCO_wdt 
iTCO_vendor_support output sierra usbserial nvram btusb pcspkr ricoh_mmc 
sdhci_pci sdhci serio_raw cfg80211 snd_page_alloc nvidia(P) usbhid ohci1394 
ieee1394 e1000e fbcon tileblit font bitblit softcursor
Nov  3 22:53:58 t61p kernel: [ 8087.029912] Pid: 4071, comm: Xorg Tainted: P    
  D    2.6.28-16-generic #55-Ubuntu
Nov  3 22:53:58 t61p kernel: [ 8087.029917] RIP: 0010:[<ffffffff802e3504>]  
[<ffffffff802e3504>] __kmalloc+0x74/0x110
Nov  3 22:53:58 t61p kernel: [ 8087.029934] RSP: 0018:ffff88012b06bd18  EFLAGS: 
00010082
Nov  3 22:53:58 t61p kernel: [ 8087.029938] RAX: 0000000000000000 RBX: 
8d9700c3a00000bc RCX: 0000000000000002
Nov  3 22:53:58 t61p kernel: [ 8087.029943] RDX: ffff88002802cca0 RSI: 
00000000000002d0 RDI: 0000000000000008
Nov  3 22:53:58 t61p kernel: [ 8087.029948] RBP: ffff88012b06bd48 R08: 
0000000000000004 R09: ffff88012b804000
Nov  3 22:53:58 t61p kernel: [ 8087.029952] R10: 0000000000000001 R11: 
0000000000003206 R12: ffffffff809abcb8
Nov  3 22:53:58 t61p kernel: [ 8087.029957] R13: 0000000000000282 R14: 
00000000000002d0 R15: ffffffffa04c9f78
Nov  3 22:53:58 t61p kernel: [ 8087.029963] FS:  00007ff8b3cc8700(0000) 
GS:ffffffff80a9b000(0000) knlGS:0000000000000000
Nov  3 22:53:58 t61p kernel: [ 8087.029968] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Nov  3 22:53:58 t61p kernel: [ 8087.029972] CR2: 00007f82243a9000 CR3: 
000000012dd48000 CR4: 00000000000006a0
Nov  3 22:53:58 t61p kernel: [ 8087.029977] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
Nov  3 22:53:58 t61p kernel: [ 8087.029982] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
Nov  3 22:53:58 t61p kernel: [ 8087.029987] Process Xorg (pid: 4071, threadinfo 
ffff88012b06a000, task ffff8801398cd980)
Nov  3 22:53:58 t61p kernel: [ 8087.029991] Stack:
Nov  3 22:53:58 t61p kernel: [ 8087.029994]  0000000800000282 ffff88013a8aafa0 
0000000000000004 0000000000000004
Nov  3 22:53:58 t61p kernel: [ 8087.030003]  00007fffedc25430 0000000000800185 
ffff88012b06bd68 ffffffffa04c9f78
Nov  3 22:53:58 t61p kernel: [ 8087.030012]  0000000000000000 00000000c1d00026 
ffff88013a8aaf90 ffffffffa03ffee4
Nov  3 22:53:58 t61p kernel: [ 8087.030023] Call Trace:
Nov  3 22:53:58 t61p kernel: [ 8087.030028]  [<ffffffffa04c9f78>] 
os_alloc_mem+0x68/0xe0 [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.030405]  [<ffffffffa03ffee4>] 
_nv004412rm+0x12/0x21 [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.030731]  [<ffffffffa0443145>] ? 
_nv003295rm+0xd5/0x1d9 [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.031038]  [<ffffffffa0389e2e>] ? 
_nv006010rm+0x88/0x108 [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.031359]  [<ffffffffa02095b8>] ? 
_nv003189rm+0x698/0x6fd [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.031656]  [<ffffffffa040845d>] ? 
rm_ioctl+0x2f/0x67 [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.031976]  [<ffffffffa04c5db3>] ? 
nv_kern_ioctl+0x1b3/0x480 [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.032008]  [<ffffffffa04c60bc>] ? 
nv_kern_unlocked_ioctl+0x1c/0x20 [nvidia]
Nov  3 22:53:58 t61p kernel: [ 8087.032008]  [<ffffffff802f65f1>] ? 
vfs_ioctl+0x31/0xa0
Nov  3 22:53:58 t61p kernel: [ 8087.032008]  [<ffffffff802f69a5>] ? 
do_vfs_ioctl+0x75/0x230
Nov  3 22:53:58 t61p kernel: [ 8087.032008]  [<ffffffff802f6bf9>] ? 
sys_ioctl+0x99/0xa0
Nov  3 22:53:58 t61p kernel: [ 8087.032008]  [<ffffffff80211f29>] ? 
sys_rt_sigreturn+0x9/0x10
Nov  3 22:53:58 t61p kernel: [ 8087.032008]  [<ffffffff8021253a>] ? 
system_call_fastpath+0x16/0x1b
Nov  3 22:53:58 t61p kernel: [ 8087.032008] Code: fa 0f 1f 80 00 00 00 00 65 8b 
04 25 24 00 00 00 48 98 49 8b 94 c4 e8 00 00 00 8b 7a 18 89 7d d4 48 8b 1a 48 
85 db 74 4f 8b 42 14 <48> 8b 04 c3 48 89 02 4c 89 ef 57 9d 66 0f 1f 44 00 00 66 
45 85 
Nov  3 22:53:58 t61p kernel: [ 8087.032008] RIP  [<ffffffff802e3504>] 
__kmalloc+0x74/0x110
Nov  3 22:53:58 t61p kernel: [ 8087.032008]  RSP <ffff88012b06bd18>
Nov  3 22:53:58 t61p kernel: [ 8087.032008] ---[ end trace d04d7f9e6d74d35c ]---
Nov  3 22:55:01 t61p /USR/SBIN/CRON[8087]: (root) CMD ([ -x 
/usr/lib/sysstat/sa1 ] && { [ -r "$DEFAULT" ] && . "$DEFAULT" ; [ "$ENABLED" = 
"true" ] && exec /usr/lib/sysstat/sa1 $SA1_OPTIONS 1 1 ; })
Nov  3 22:56:31 t61p dhclient: DHCPREQUEST of 192.168.5.174 on wlan0 to 
192.168.5.254 port 67
Nov  3 22:56:31 t61p dhclient: DHCPACK of 192.168.5.174 from 192.168.5.254
Nov  3 22:56:31 t61p dhclient: bound to 192.168.5.174 -- renewal in 421 seconds.
Nov  3 22:58:22 t61p syslogd 1.5.0#5ubuntu3: restart.
Nov  3 22:58:22 t61p kernel: Inspecting /boot/System.map-2.6.28-16-generic
Nov  3 22:58:22 t61p kernel: Cannot find map file.
Nov  3 22:58:22 t61p kernel: Loaded 80100 symbols from 58 modules.

and

Nov  3 20:36:10 t61p kernel: [26887.549569] ------------[ cut here ]------------
Nov  3 20:36:10 t61p kernel: [26887.549573] WARNING: at 
/build/buildd/linux-2.6.28/kernel/futex.c:587 lookup_pi_state+0x24f/0x2a0()
Nov  3 20:36:10 t61p kernel: [26887.549576] Modules linked in: usb_storage 
ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt binfmt_misc bridge stp 
bnep vboxnetadp vboxnetflt vboxdrv vmnet ppdev parport_pc vmblock vsock vmci 
vmmon input_polldev lp parport snd_hda_intel joydev snd_pcm_oss snd_mixer_oss 
snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi arc4 
snd_seq_midi_event ecb snd_seq pcmcia snd_timer snd_seq_device iwlagn 
thinkpad_acpi iwlcore iTCO_wdt yenta_socket video sierra mac80211 led_class 
psmouse snd rsrc_nonstatic pcmcia_core iTCO_vendor_support output usbserial 
intel_agp btusb nvram serio_raw pcspkr sdhci_pci sdhci ricoh_mmc cfg80211 
soundcore snd_page_alloc nvidia(P) usbhid ohci1394 ieee1394 e1000e fbcon 
tileblit font bitblit softcursor
Nov  3 20:36:10 t61p kernel: [26887.549642] Pid: 18242, comm: totem Tainted: P  
      W  2.6.28-16-generic #55-Ubuntu
Nov  3 20:36:10 t61p kernel: [26887.549645] Call Trace:
Nov  3 20:36:10 t61p kernel: [26887.549651]  [<ffffffff80250b7f>] 
warn_on_slowpath+0x5f/0x90
Nov  3 20:36:10 t61p kernel: [26887.549656]  [<ffffffff802c00be>] ? 
__dec_zone_page_state+0x1e/0x20
Nov  3 20:36:10 t61p kernel: [26887.549661]  [<ffffffff802ce900>] ? 
page_remove_rmap+0x60/0x150
Nov  3 20:36:10 t61p kernel: [26887.549664]  [<ffffffff802c30bd>] ? 
zap_pte_range+0x2cd/0x420
Nov  3 20:36:10 t61p kernel: [26887.549669]  [<ffffffff80265731>] ? 
find_task_by_pid_type_ns+0x11/0x50
Nov  3 20:36:10 t61p kernel: [26887.549672]  [<ffffffff8027719f>] 
lookup_pi_state+0x24f/0x2a0
Nov  3 20:36:10 t61p kernel: [26887.549675]  [<ffffffff80278974>] 
futex_lock_pi+0x294/0x6b0
Nov  3 20:36:10 t61p kernel: [26887.549679]  [<ffffffff802c4d60>] ? 
zap_page_range+0x100/0x110
Nov  3 20:36:10 t61p kernel: [26887.549682]  [<ffffffff802c1ed5>] ? 
madvise_vma+0xf5/0x380
Nov  3 20:36:10 t61p kernel: [26887.549685]  [<ffffffff80278e5c>] 
do_futex+0xcc/0x140
Nov  3 20:36:10 t61p kernel: [26887.549688]  [<ffffffff80278f96>] 
sys_futex+0xc6/0x170
Nov  3 20:36:10 t61p kernel: [26887.549692]  [<ffffffff8026ceb9>] ? 
up_read+0x9/0x10
Nov  3 20:36:10 t61p kernel: [26887.549695]  [<ffffffff802c2211>] ? 
sys_madvise+0xb1/0x270
Nov  3 20:36:10 t61p kernel: [26887.549700]  [<ffffffff8021253a>] 
system_call_fastpath+0x16/0x1b
Nov  3 20:36:10 t61p kernel: [26887.549702] ---[ end trace 22b3865163e92338 ]---
Nov  3 20:36:17 t61p kernel: [26894.178627] BUG: unable to handle kernel NULL 
pointer dereference at 0000000000000018
Nov  3 20:36:17 t61p kernel: [26894.178635] IP: [<ffffffffa033b671>] 
_nv004881rm+0x75/0x89 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.178895] PGD 130ca7067 PUD 130d18067 PMD 0 
Nov  3 20:36:17 t61p kernel: [26894.178901] Oops: 0000 [#1] SMP 
Nov  3 20:36:17 t61p kernel: [26894.178905] last sysfs file: 
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
Nov  3 20:36:17 t61p kernel: [26894.178910] Dumping ftrace buffer:
Nov  3 20:36:17 t61p kernel: [26894.178914]    (ftrace buffer empty)
Nov  3 20:36:17 t61p kernel: [26894.178916] CPU 1 
Nov  3 20:36:17 t61p kernel: [26894.178919] Modules linked in: usb_storage 
ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt binfmt_misc bridge stp 
bnep vboxnetadp vboxnetflt vboxdrv vmnet ppdev parport_pc vmblock vsock vmci 
vmmon input_polldev lp parport snd_hda_intel joydev snd_pcm_oss snd_mixer_oss 
snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi arc4 
snd_seq_midi_event ecb snd_seq pcmcia snd_timer snd_seq_device iwlagn 
thinkpad_acpi iwlcore iTCO_wdt yenta_socket video sierra mac80211 led_class 
psmouse snd rsrc_nonstatic pcmcia_core iTCO_vendor_support output usbserial 
intel_agp btusb nvram serio_raw pcspkr sdhci_pci sdhci ricoh_mmc cfg80211 
soundcore snd_page_alloc nvidia(P) usbhid ohci1394 ieee1394 e1000e fbcon 
tileblit font bitblit softcursor
Nov  3 20:36:17 t61p kernel: [26894.178997] Pid: 3511, comm: Xorg Tainted: P    
    W  2.6.28-16-generic #55-Ubuntu
Nov  3 20:36:17 t61p kernel: [26894.179000] RIP: 0010:[<ffffffffa033b671>]  
[<ffffffffa033b671>] _nv004881rm+0x75/0x89 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.179223] RSP: 0018:ffff88013a993cf0  EFLAGS: 
00010286
Nov  3 20:36:17 t61p kernel: [26894.179226] RAX: 0000000000000000 RBX: 
ffff88013a916f30 RCX: 0000000004597000
Nov  3 20:36:17 t61p kernel: [26894.179229] RDX: 000000000000f0f0 RSI: 
ffff88013a11b800 RDI: 0000000000000000
Nov  3 20:36:17 t61p kernel: [26894.179232] RBP: ffff88013a916f28 R08: 
ffff88013a916f30 R09: ffff88013a916f38
Nov  3 20:36:17 t61p kernel: [26894.179235] R10: 00007f2d57783ca8 R11: 
0000000000003246 R12: ffff88013a916f38
Nov  3 20:36:17 t61p kernel: [26894.179238] R13: ffff88013a11b800 R14: 
ffff88013898a000 R15: ffff88013a916f3c
Nov  3 20:36:17 t61p kernel: [26894.179242] FS:  00007f2d5ca95700(0000) 
GS:ffff88013b803c80(0000) knlGS:0000000000000000
Nov  3 20:36:17 t61p kernel: [26894.179245] CS:  0010 DS: 0000 ES: 0000 CR0: 
000000008005003b
Nov  3 20:36:17 t61p kernel: [26894.179248] CR2: 0000000000000018 CR3: 
0000000139968000 CR4: 00000000000006a0
Nov  3 20:36:17 t61p kernel: [26894.179252] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
Nov  3 20:36:17 t61p kernel: [26894.179255] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
Nov  3 20:36:17 t61p kernel: [26894.179258] Process Xorg (pid: 3511, threadinfo 
ffff88013a992000, task ffff880139d30000)
Nov  3 20:36:17 t61p kernel: [26894.179261] Stack:
Nov  3 20:36:17 t61p kernel: [26894.179263]  ffffffffa033b4a3 00000000c1d00001 
ffff88013898a000 0000000000000000
Nov  3 20:36:17 t61p kernel: [26894.179269]  00000000cafe0ab9 0000000080010000 
ffffffffa038f8bb ffff88013a916f3c
Nov  3 20:36:17 t61p kernel: [26894.179276]  ffffffffa038f86c 0000000000000040 
00000000c1d00001 0000000080010000
Nov  3 20:36:17 t61p kernel: [26894.179283] Call Trace:
Nov  3 20:36:17 t61p kernel: [26894.179287]  [<ffffffffa033b4a3>] ? 
_nv004880rm+0x26/0x80 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.179509]  [<ffffffffa038f8bb>] ? 
_nv003230rm+0xc6/0xde [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.179721]  [<ffffffffa038f86c>] ? 
_nv003230rm+0x77/0xde [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.179933]  [<ffffffffa038f7ad>] ? 
_nv003226rm+0x202/0x24a [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.180145]  [<ffffffffa038db67>] ? 
_nv003245rm+0x17a/0x2f8 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.180357]  [<ffffffffa0388f67>] ? 
_nv006021rm+0x72/0x9f [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.180572]  [<ffffffffa0209105>] ? 
_nv003189rm+0x1e5/0x6fd [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.180770]  [<ffffffffa040845d>] ? 
rm_ioctl+0x2f/0x67 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.180986]  [<ffffffffa04c5db3>] ? 
nv_kern_ioctl+0x1b3/0x480 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.181009]  [<ffffffffa04c60bc>] ? 
nv_kern_unlocked_ioctl+0x1c/0x20 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.181009]  [<ffffffff802f65f1>] ? 
vfs_ioctl+0x31/0xa0
Nov  3 20:36:17 t61p kernel: [26894.181009]  [<ffffffff802f69a5>] ? 
do_vfs_ioctl+0x75/0x230
Nov  3 20:36:17 t61p kernel: [26894.181009]  [<ffffffff802f6bf9>] ? 
sys_ioctl+0x99/0xa0
Nov  3 20:36:17 t61p kernel: [26894.181009]  [<ffffffff8026cea9>] ? 
up_write+0x9/0x10
Nov  3 20:36:17 t61p kernel: [26894.181009]  [<ffffffff8021253a>] ? 
system_call_fastpath+0x16/0x1b
Nov  3 20:36:17 t61p kernel: [26894.181009] Code: 37 48 89 f8 eb 37 48 89 f8 90 
eb 31 48 8b 47 18 48 03 47 20 48 39 c8 75 05 39 57 04 74 e8 48 8b 7f 78 48 39 
be f0 01 00 00 74 0d <48> 8b 47 18 48 03 47 20 48 39 c8 76 d4 b8 00 00 00 00 f3 
c3 41 
Nov  3 20:36:17 t61p kernel: [26894.181009] RIP  [<ffffffffa033b671>] 
_nv004881rm+0x75/0x89 [nvidia]
Nov  3 20:36:17 t61p kernel: [26894.181009]  RSP <ffff88013a993cf0>
Nov  3 20:36:17 t61p kernel: [26894.181009] CR2: 0000000000000018
Nov  3 20:36:17 t61p kernel: [26894.181673] ---[ end trace 22b3865163e92338 ]---
Nov  3 20:37:52 t61p kernel: [26989.013181] usb 2-2: USB disconnect, address 5
Nov  3 20:38:04 t61p dhclient: DHCPREQUEST of 192.168.5.174 on wlan0 to 
192.168.5.254 port 67
Nov  3 20:38:04 t61p dhclient: DHCPACK of 192.168.5.174 from 192.168.5.254
Nov  3 20:38:04 t61p dhclient: bound to 192.168.5.174 -- renewal in 495 seconds.
Nov  3 20:39:42 t61p syslogd 1.5.0#5ubuntu3: restart.
Nov  3 20:39:42 t61p kernel: Inspecting /boot/System.map-2.6.28-16-generic

ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/yelp
NonfreeKernelModules: nvidia
Package: yelp 2.25.1-0ubuntu5
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
Uname: Linux 2.6.28-16-generic x86_64

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

-- 
system crash (caps blink) when pressing "CTRL S" in Eclipse
https://bugs.launchpad.net/bugs/480036
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