*** This bug is a duplicate of bug 535467 ***
https://bugs.launchpad.net/bugs/535467
Public bug reported:
Binary package hint: xorg
Xorg crashes whole machine if a user is logged off if another user is
logged in.
May 6 11:05:59 nc10 kernel: [ 149.688658] ------------[ cut here ]------------
May 6 11:05:59 nc10 kernel: [ 149.688681] WARNING: at
/build/buildd/linux-2.6.32/lib/kref.c:43 kref_get+0x21/0x30()
May 6 11:05:59 nc10 kernel: [ 149.688689] Hardware name: NC10
May 6 11:05:59 nc10 kernel: [ 149.688694] Modules linked in:
easy_slow_down_manager aes_i586 aes_generic binfmt_misc ppdev
snd_hda_codec_realtek fbcon tileblit font bitblit softcursor vga16fb vgastate
arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm
snd_seq_dummy joydev snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event
snd_seq snd_timer snd_seq_device ath5k i915 mac80211 drm_kms_helper snd ath
uvcvideo drm soundcore intel_agp cfg80211 videodev v4l1_compat i2c_algo_bit
psmouse serio_raw snd_page_alloc led_class agpgart video output lp parport sky2
May 6 11:05:59 nc10 kernel: [ 149.688827] Pid: 951, comm: Xorg Not tainted
2.6.32-22-generic #33-Ubuntu
May 6 11:05:59 nc10 kernel: [ 149.688834] Call Trace:
May 6 11:05:59 nc10 kernel: [ 149.688851] [<c014c3d2>]
warn_slowpath_common+0x72/0xa0
May 6 11:05:59 nc10 kernel: [ 149.688863] [<c034cb91>] ? kref_get+0x21/0x30
May 6 11:05:59 nc10 kernel: [ 149.688874] [<c034cb91>] ? kref_get+0x21/0x30
May 6 11:05:59 nc10 kernel: [ 149.688885] [<c014c41a>]
warn_slowpath_null+0x1a/0x20
May 6 11:05:59 nc10 kernel: [ 149.688896] [<c034cb91>] kref_get+0x21/0x30
May 6 11:05:59 nc10 kernel: [ 149.688937] [<f820f003>]
drm_gem_handle_create+0x83/0xa0 [drm]
May 6 11:05:59 nc10 kernel: [ 149.688952] [<c058a469>] ? mutex_lock+0x19/0x40
May 6 11:05:59 nc10 kernel: [ 149.688998] [<f84789a8>]
intel_user_framebuffer_create_handle+0x18/0x20 [i915]
May 6 11:05:59 nc10 kernel: [ 149.689041] [<f8218579>]
drm_mode_getfb+0x69/0xa0 [drm]
May 6 11:05:59 nc10 kernel: [ 149.689056] [<c01c64ad>] ?
perf_output_begin+0xbd/0x1f0
May 6 11:05:59 nc10 kernel: [ 149.689092] [<f820d7cd>] drm_ioctl+0x25d/0x3e0
[drm]
May 6 11:05:59 nc10 kernel: [ 149.689115] [<c01c64ad>] ?
perf_output_begin+0xbd/0x1f0
May 6 11:05:59 nc10 kernel: [ 149.689155] [<f8218510>] ?
drm_mode_getfb+0x0/0xa0 [drm]
May 6 11:05:59 nc10 kernel: [ 149.689177] [<c0167740>] ?
autoremove_wake_function+0x0/0x50
May 6 11:05:59 nc10 kernel: [ 149.689192] [<c02f4414>] ?
security_file_permission+0x14/0x20
May 6 11:05:59 nc10 kernel: [ 149.689231] [<f820d570>] ? drm_ioctl+0x0/0x3e0
[drm]
May 6 11:05:59 nc10 kernel: [ 149.689249] [<c0216231>] vfs_ioctl+0x21/0x90
May 6 11:05:59 nc10 kernel: [ 149.689260] [<c0216519>]
do_vfs_ioctl+0x79/0x310
May 6 11:05:59 nc10 kernel: [ 149.689272] [<c0207870>] ?
do_sync_write+0x0/0x100
May 6 11:05:59 nc10 kernel: [ 149.689284] [<c0216817>] sys_ioctl+0x67/0x80
May 6 11:05:59 nc10 kernel: [ 149.689297] [<c01c64ad>] ?
perf_output_begin+0xbd/0x1f0
May 6 11:05:59 nc10 kernel: [ 149.689309] [<c01033ec>] syscall_call+0x7/0xb
May 6 11:05:59 nc10 kernel: [ 149.689321] [<c01c64ad>] ?
perf_output_begin+0xbd/0x1f0
May 6 11:05:59 nc10 kernel: [ 149.689333] [<c01c64ad>] ?
perf_output_begin+0xbd/0x1f0
May 6 11:05:59 nc10 kernel: [ 149.689343] ---[ end trace 4c1e599c842165ba ]---
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic i686
Architecture: i386
Date: Thu May 6 11:25:25 2010
DkmsStatus: easy_slow_down_manager, 0.13.1, 2.6.32-22-generic, i686: installed
MachineType: SAMSUNG ELECTRONICS CO., LTD. NC10
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic
root=UUID=d1cc537e-7923-4d30-b2c3-d6eaaa7b3b5f ro quiet splash
ProcEnviron:
LANG=de_DE.utf8
SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
Title: Xorg crash
dmi.bios.date: 09/08/2009
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 11CA.M015.20090908.RHU
dmi.board.name: NC10
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: None
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: No Asset Tag
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr11CA.M015.20090908.RHU:bd09/08/2009:svnSAMSUNGELECTRONICSCO.,LTD.:pnNC10:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNC10:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrNoAssetTag:
dmi.product.name: NC10
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
system:
distro: Ubuntu
codename: lucid
architecture: i686
kernel: 2.6.32-22-generic
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug crash i386 lucid ubuntu-une
--
Xorg Crash during logout if another user is logged in
https://bugs.launchpad.net/bugs/576316
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