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[Bug 490702] [NEW] Xorg+intel_drv crash when uxa_check_poly_segment calls libfb

 

Public bug reported:

Binary package hint: xserver-xorg-video-intel

I was adjusting components in the eagle pcb layout tool when Xorg
crashed on me with the following backtrace in Xorg.0.log.old:

Backtrace:
0: /usr/bin/X(xorg_backtrace+0x3b) [0x8133d6b]
1: /usr/bin/X(xf86SigHandler+0x55) [0x80c7d35]
2: [0xb5c400]
3: /usr/lib/xorg/modules//libfb.so(fbSegment+0x37c) [0x34879c]
4: /usr/lib/xorg/modules//libfb.so(fbZeroSegment+0xa3) [0x345193]
5: /usr/lib/xorg/modules//libfb.so(fbPolySegment+0x57) [0x345087]
6: /usr/lib/xorg/modules/drivers//intel_drv.so(uxa_check_poly_segment+0x10e) [0x48f03e]
7: /usr/lib/xorg/modules/drivers//intel_drv.so [0x487b72]
8: /usr/bin/X [0x81809d1]
9: /usr/bin/X(ProcPolySegment+0xfa) [0x808abca]
10: /usr/bin/X(Dispatch+0x35f) [0x808d17f]
11: /usr/bin/X(main+0x395) [0x8072515]
12: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x1feb56]
13: /usr/bin/X [0x80719c1]
Saw signal 11.  Server aborting.

ProblemType: Bug
Architecture: i386
Date: Mon Nov 30 23:06:15 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu-Netbook-Remix 9.10 "Karmic Koala" - Release i386 (20091028.4)
MachineType: ASUSTeK Computer INC. 1005HA
Package: xserver-xorg-video-intel 2:2.9.0-1ubuntu2
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic root=UUID=4b7d6579-ed9f-4ac4-9450-16fcdf14dd27 ro quiet splash
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-15.50-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu10
 libgl1-mesa-glx 7.6.0-1ubuntu4
 libdrm2 2.4.14-1ubuntu1
 xserver-xorg-video-intel 2:2.9.0-1ubuntu2
 xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: xserver-xorg-video-intel
Tags:  ubuntu-unr
Uname: Linux 2.6.31-15-generic i686
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
XsessionErrors:
 (gnome-settings-daemon:3992): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:3992): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:4031): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:4059): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (gnome-power-manager:4066): Gdk-CRITICAL **: gdk_window_thaw_toplevel_updates_libgtk_only: assertion `private->update_and_descendants_freeze_count > 0' failed
dmi.bios.date: 09/23/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0905
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1005HA
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0905:bd09/23/2009:svnASUSTeKComputerINC.:pn1005HA:pvrx.x:rvnASUSTeKComputerINC.:rn1005HA:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1005HA
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.
fglrx: Not loaded
system:
 distro:             Ubuntu
 architecture:       i686kernel:             2.6.31-15-generic

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


** Tags: apport-bug i386 ubuntu-unr

-- 
Xorg+intel_drv crash when uxa_check_poly_segment calls libfb
https://bugs.launchpad.net/bugs/490702
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