[Bug 473952] [NEW] X freezes when connecting external monitor

[Dennis van Dok]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

When I connect an external monitor while being logged in, and
subsequently trying to use it, either by pressing f7 or running xrandr
or opening system -> preferences -> display, the displays freeze.

I can still remotely log in (via ssh) and look around; however, I could
not kill the X server even with SIGKILL nor make a core dump.

I'm including the Xorg.0.log, which ends at the time of the freeze. Also
included is a snippet of kern.log that may be relevant, and the output
of lsof for the X process.

ProblemType: Bug
Architecture: amd64
Date: Wed Nov  4 10:20:54 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/Xorg
MachineType: Apple Inc. MacBook2,1
Package: xserver-xorg-core 2:1.6.4-2ubuntu4
ProcCmdLine: root=UUID=ecc72b10-8e9c-48fe-8528-00d1fc58ea7d ro quiet splash
ProcEnviron:
 LANG=nl_NL.UTF-8
 PATH=(custom, no user)
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu7
 libgl1-mesa-glx 7.6.0-1ubuntu4
 libdrm2 2.4.15~git-0ubuntu0tormod~jaunty
 xserver-xorg-video-intel 2:2.9.0-1ubuntu2
 xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: xorg-server
Uname: Linux 2.6.31-14-generic x86_64
XsessionErrors:
 (gnome-settings-daemon:2476): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:2589): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:2565): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (gnome-panel:2564): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
 (Do:2586): Wnck-CRITICAL **: wnck_set_client_type got called multiple times.
dmi.bios.date: 06/27/07
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MB21.88Z.00A5.B07.0706270922
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F4208CAA
dmi.board.vendor: Apple Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F4208CAA
dmi.modalias: dmi:bvnAppleInc.:bvrMB21.88Z.00A5.B07.0706270922:bd06/27/07:svnAppleInc.:pnMacBook2,1:pvr1.0:rvnAppleInc.:rnMac-F4208CAA:rvrPVT:cvnAppleInc.:ct10:cvrMac-F4208CAA:
dmi.product.name: MacBook2,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
fglrx: Not loaded
system:
 distro:             Ubuntu
 architecture:       x86_64kernel:             2.6.31-14-generic

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

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X freezes when connecting external monitor
https://bugs.launchpad.net/bugs/473952
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