[Bug 1237904] Re: Xorg crashed with SIGABRT in OsAbort()

[Tim]

** Description changed:

- Freshly booted and logged in, update-notifier signalled a problem, and
- when I clicked "report" caused this cascade of errors.
+ [Impact]
+   This crash is ranking #2 on errors.u.c[1], it is caused by a recursive call to xf86CloseConsole() after a failed VT switch. Since it is happening on shutdown, its not causing any real issues with the user session, however it is spamming the users (and errors.u.c) with crash logs.
  
- ProblemType: Crash
- DistroRelease: Ubuntu 13.10
- Package: xserver-xorg-core 2:1.14.3-3ubuntu1
- ProcVersionSignature: Ubuntu 3.11.0-4.9-generic 3.11.0-rc7
- Uname: Linux 3.11.0-4-generic x86_64
- ApportVersion: 2.12.5-0ubuntu1
- Architecture: amd64
- CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
- CompositorRunning: None
- Date: Wed Oct  9 14:36:18 2013
- DistUpgraded: Fresh install
- DistroCodename: saucy
- DistroVariant: ubuntu
- DkmsStatus: virtualbox, 4.2.16, 3.11.0-4-generic, x86_64: installed
- ExecutablePath: /usr/bin/Xorg
- ExtraDebuggingInterest: Yes
- GraphicsCard:
-  Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
-    Subsystem: Lenovo Device [17aa:2207]
- InstallationDate: Installed on 2013-09-27 (12 days ago)
- InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Alpha amd64 (20130903)
- MachineType: LENOVO 36986DG
- MarkForUpload: True
- ProcCmdline: /usr/bin/X :1 -background none -verbose -auth /var/run/gdm/auth-for-gdm-vyFtLi/database -seat seat0 -nolisten tcp vt7
- ProcEnviron:
-  LANG=en_US.UTF-8
-  TERM=linux
-  PATH=(custom, no user)
- ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-4-generic.efi.signed root=UUID=d0531e28-c01c-4e90-9c01-43e30e7dea56 ro quiet splash vt.handoff=7
- Signal: 6
- SourcePackage: xorg-server
- StacktraceTop:
-  OsAbort ()
-  FatalError ()
-  ?? ()
-  xf86CloseConsole ()
-  ddxGiveUp ()
- Title: Xorg crashed with SIGABRT in OsAbort()
- UpgradeStatus: No upgrade log present (probably fresh install)
- UserGroups:
-  
- dmi.bios.date: 02/22/2013
- dmi.bios.vendor: LENOVO
- dmi.bios.version: GFET30WW (1.09 )
- dmi.board.asset.tag: Not Available
- dmi.board.name: 36986DG
- dmi.board.vendor: LENOVO
- dmi.board.version: Win8 Pro DPK TPG
- dmi.chassis.asset.tag: No Asset Information
- dmi.chassis.type: 10
- dmi.chassis.vendor: LENOVO
- dmi.chassis.version: Not Available
- dmi.modalias: dmi:bvnLENOVO:bvrGFET30WW(1.09):bd02/22/2013:svnLENOVO:pn36986DG:pvrThinkPadHelix:rvnLENOVO:rn36986DG:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
- dmi.product.name: 36986DG
- dmi.product.version: ThinkPad Helix
- dmi.sys.vendor: LENOVO
- version.compiz: compiz N/A
- version.ia32-libs: ia32-libs N/A
- version.libdrm2: libdrm2 2.4.46-1
- version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu1
- version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
- version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu1
- version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu1
- version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
- version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu3
- version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.903-0ubuntu1
- version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
- xserver.bootTime: Thu Oct 10 11:57:27 2013
- xserver.configfile: default
- xserver.errors:
-  
- xserver.logfile: /var/log/Xorg.0.log
- xserver.outputs:
-  product id                               12893 
-  vendor                                     AUO
- xserver.version: 2:1.14.3-3ubuntu1
+ [Test Case]
+ 1. Running under a gdm/gnome-shell session select 'power off' from the user menu (it doesn't get triggered on a restart)
+ 2. On next login you will receive a crash report
+ 
+ [Regression Potential]
+ Very Low, its an upstream patch, that just changes the error logging, so that the a warning is logged rather than crashing the server.
+ 
+ [1]
+ https://errors.ubuntu.com/problem/27941445d596fb71be692b9008c0847d2ce6c428

** Changed in: xorg-server (Ubuntu)
       Status: Confirmed => Triaged

** Patch added: "wily sru"
   https://bugs.launchpad.net/xorg-server/+bug/1237904/+attachment/4505081/+files/xorg_lp1237904_wily.debdiff

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https://bugs.launchpad.net/bugs/1237904

Title:
  Xorg crashed with SIGABRT in OsAbort()

Status in X.Org X server:
  Unknown
Status in xorg-server package in Ubuntu:
  Triaged

Bug description:
  [Impact]
    This crash is ranking #2 on errors.u.c[1], it is caused by a recursive call to xf86CloseConsole() after a failed VT switch. Since it is happening on shutdown, its not causing any real issues with the user session, however it is spamming the users (and errors.u.c) with crash logs.

  [Test Case]
  1. Running under a gdm/gnome-shell session select 'power off' from the user menu (it doesn't get triggered on a restart)
  2. On next login you will receive a crash report

  [Regression Potential]
  Very Low, its an upstream patch, that just changes the error logging, so that the a warning is logged rather than crashing the server.

  [1]
  https://errors.ubuntu.com/problem/27941445d596fb71be692b9008c0847d2ce6c428

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