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[Danilo Reinhardt <danilo.reinhardt@xxxxxxx>]

*** 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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