Public bug reported:
Just hitting away in VIM in gnome-terminal, and on changing tab the
whole computer froze. Was able to SSH into it, and everything seemed
pretty normal.
Killed X and then these errors came:
[ 7811.746465] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 7811.746476] IP: [<e09410f9>] radeon_read_ring_rptr+0x29/0x30 [radeon]
[ 7811.746505] *pde = 1e274067 *pte = 00000000
[ 7811.746511] Oops: 0000 [#1] SMP
[ 7811.746516] last sysfs file:
/sys/devices/pci0000:00/0000:00:1f.5/sound/card0/controlC0/uevent
[ 7811.746520] Modules linked in: nfs lockd nfs_acl auth_rpcgss sunrpc
binfmt_misc autofs4 snd_intel8x0 snd_ac97_codec iptable_filter ip_tables
ac97_bus snd_pcm_oss snd_mixer_oss x_tables snd_pcm snd_seq_dummy snd_seq_oss
snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device
snd soundcore snd_page_alloc ppdev lp dell_wmi dcdbas psmouse serio_raw
parport_pc shpchp parport usbhid floppy radeon ttm drm i2c_algo_bit e100 mii
intel_agp agpgart
[ 7811.746582]
[ 7811.746587] Pid: 1074, comm: Xorg Not tainted (2.6.31-15-generic #50-Ubuntu)
Dimension 4600i
[ 7811.746591] EIP: 0060:[<e09410f9>] EFLAGS: 00213246 CPU: 1
[ 7811.746606] EIP is at radeon_read_ring_rptr+0x29/0x30 [radeon]
[ 7811.746610] EAX: df2d7260 EBX: de331800 ECX: 00000028 EDX: 00000000
[ 7811.746613] ESI: e0c00000 EDI: de331800 EBP: de6d5d0c ESP: de6d5d0c
[ 7811.746616] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 7811.746620] Process Xorg (pid: 1074, ti=de6d4000 task=d79f25b0
task.ti=de6d4000)
[ 7811.746623] Stack:
[ 7811.746626] de6d5d14 e0941147 de6d5d24 e0941894 de331800 00000040 de6d5d48
e0943999
[ 7811.746637] <0> 00000001 e09c22ed e0984857 e09c22eb de331800 de331800
de13b000 de6d5d70
[ 7811.746649] <0> e0944c94 00000001 e09c22ed e09847b8 e09c2342 fffffff0
de331940 de331940
[ 7811.746662] Call Trace:
[ 7811.746680] [<e0941147>] ? radeon_get_ring_head+0x47/0x50 [radeon]
[ 7811.746696] [<e0941894>] ? radeon_commit_ring+0x54/0xb0 [radeon]
[ 7811.746713] [<e0943999>] ? radeon_do_cp_idle+0xc9/0x160 [radeon]
[ 7811.746732] [<e0944c94>] ? radeon_do_release+0x154/0x1d0 [radeon]
[ 7811.746751] [<e0948338>] ? radeon_driver_lastclose+0x58/0x60 [radeon]
[ 7811.746773] [<e0842250>] ? drm_lastclose+0x40/0x2c0 [drm]
[ 7811.746790] [<e0842d59>] ? drm_release+0x2e9/0x390 [drm]
[ 7811.746801] [<c01e915a>] ? __fput+0xda/0x1f0
[ 7811.746806] [<c01e9285>] ? fput+0x15/0x20
[ 7811.746811] [<c01e56a7>] ? filp_close+0x47/0x70
[ 7811.746817] [<c0146c93>] ? put_files_struct+0x63/0xb0
[ 7811.746822] [<c0146d23>] ? exit_files+0x43/0x60
[ 7811.746826] [<c0147dff>] ? do_exit+0x11f/0x2e0
[ 7811.746832] [<c01527dd>] ? dequeue_signal+0x2d/0x170
[ 7811.746848] [<e084272a>] ? drm_ioctl+0x1ea/0x360 [drm]
[ 7811.746853] [<c0147ffa>] ? do_group_exit+0x3a/0xb0
[ 7811.746858] [<c015403f>] ? get_signal_to_deliver+0x18f/0x300
[ 7811.746864] [<c010304b>] ? do_signal+0x6b/0x160
[ 7811.746870] [<c010b16a>] ? restore_i387_xstate+0xda/0x210
[ 7811.746878] [<c02c7f8f>] ? security_file_permission+0xf/0x20
[ 7811.746884] [<c05710b7>] ? unlock_kernel+0x27/0x30
[ 7811.746890] [<c01f51bb>] ? vfs_ioctl+0x7b/0x90
[ 7811.746895] [<c01f5481>] ? do_vfs_ioctl+0x71/0x310
[ 7811.746900] [<c0102771>] ? restore_sigcontext+0xc1/0xe0
[ 7811.746905] [<c010318d>] ? do_notify_resume+0x4d/0x60
[ 7811.746910] [<c0103448>] ? work_notifysig+0x13/0x1b
[ 7811.746913] Code: 5d c3 55 f6 80 1e 03 00 00 08 89 e5 75 14 8b 80 e0 00 00
00 83 e2 fc 5d 03 50 10 8b 02 c3 8d 74 26 00 8b 80 e0 00 00 00 03 50 10 <8b> 02
5d c3 8d 76 00 55 8b 50 5c 89 e5 85 d2 75 36 66 83 b8 1c
[ 7811.746985] EIP: [<e09410f9>] radeon_read_ring_rptr+0x29/0x30 [radeon]
SS:ESP 0068:de6d5d0c
[ 7811.747004] CR2: 0000000000000000
[ 7811.747008] ---[ end trace 03b874e61d1748c2 ]---
[ 7811.747011] Fixing recursive fault but reboot is needed!
ProblemType: Bug
AplayDevices: aplay: device_list:223: no soundcards found...
Architecture: i386
ArecordDevices: arecord: device_list:223: no soundcards found...
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp',
'/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D2c',
'/dev/snd/pcmC0D3c', '/dev/snd/pcmC0D4p', '/dev/snd/seq', '/dev/snd/timer',
'/dev/sequencer', '/dev/sequencer2'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
Date: Mon Dec 14 16:30:37 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=0d145eca-93e8-48ce-a4b8-9f78e846f168
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: Dell Computer Corporation Dimension 4600i
Package: linux-image-2.6.31-15-generic 2.6.31-15.50
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic
root=UUID=1e712213-35dc-4e88-8c8c-ba1555ec935c ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-15.50-generic
RelatedPackageVersions:
linux-backports-modules-2.6.31-15-generic N/A
linux-firmware 1.25
RfKill:
SourcePackage: linux
Uname: Linux 2.6.31-15-generic i686
UserAsoundrc:
# ALSA library configuration file
# Include settings that are under the control of asoundconf(1).
# (To disable these settings, comment out this line.)
</home/odin/.asoundrc.asoundconf>
dmi.bios.date: 08/26/2004
dmi.bios.vendor: Dell Computer Corporation
dmi.bios.version: A12
dmi.board.name: 0F4491
dmi.board.vendor: Dell Computer Corp.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Computer Corporation
dmi.modalias:
dmi:bvnDellComputerCorporation:bvrA12:bd08/26/2004:svnDellComputerCorporation:pnDimension4600i:pvr:rvnDellComputerCorp.:rn0F4491:rvr:cvnDellComputerCorporation:ct6:cvr:
dmi.product.name: Dimension 4600i
dmi.sys.vendor: Dell Computer Corporation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
X hanging | radeon:radeon_read_ring_rptr: NULL pointer dereference at (null)
https://bugs.launchpad.net/bugs/496566
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