ubuntu-x-swat team mailing list archive

[Pauli Virtanen <pauli.virtanen@xxxxxx>]

Public bug reported:

As of after updates at 2009-09-13 ca. 16:00, Xorg and anything using GLX (eg. glxinfo) crashes on startup.
The only thing that seems to have been changed then is the upgrade of libc6 to 2.10.1-0ubuntu11.

Log of crashing Xorg run is attached. The corresponding gdb backtrace is:
$ gdb /usr/bin/Xorg CoreDump
...
(gdb) bt
#0  0x278da3c0 in ?? ()
#1  0x00289d8d in *__GI___backtrace (array=0xbfdab960, size=32) at ../sysdeps/i386/backtrace.c:121
#2  0x08133d1b in xorg_backtrace () at ../../os/backtrace.c:39
#3  0x080c7b95 in xf86SigHandler (signo=11) at ../../../../hw/xfree86/common/xf86Events.c:387
#4  <signal handler called>
#5  *__GI_____strtol_l_internal (nptr=0xbfdac02d "001 GLX", endptr=0xbfdac028, base=10, group=0, loc=0x0) at strtol_l.c:246
#6  0x001d6667 in *__GI_strtol (nptr=0xbfdac02d "001 GLX", endptr=0xbfdac028, base=10) at strtol.c:110
#7  0x0807355e in RegisterExtensionNames (extEntry=0x8387690) at ../../dix/registry.c:168
#8  0x0809e33a in AddExtension (name=0x635ebc "GLX", NumEvents=17, NumErrors=12, MainProc=0x6135f0, SwappedMainProc=0, CloseDownProc=0x613430, 
    MinorOpcodeProc=0x809da10 <StandardMinorOpcode>) at ../../dix/extension.c:145
#9  0x006132f5 in ?? () from /usr/lib/xorg/modules/extensions//libglx.so
#10 0x00635ebc in ?? () from /usr/lib/xorg/modules/extensions//libglx.so
#11 0x00000011 in ?? ()
#12 0x0000000c in ?? ()
#13 0x006135f0 in ?? () from /usr/lib/xorg/modules/extensions//libglx.so
#14 0x00613560 in ?? () from /usr/lib/xorg/modules/extensions//libglx.so
#15 0x00613430 in ?? () from /usr/lib/xorg/modules/extensions//libglx.so
#16 0x0809da10 in ?? () at ../../dix/extension.c:219
#17 0x080ec7c5 in InitExtensions (argc=4, argv=0xbfdac2d4) at ../../../../mi/miinitext.c:551
#18 0x080722b8 in main (argc=4, argv=0xbfdac2d4, envp=0xbfdac2e8) at ../../dix/main.c:319

Glxinfo backtrace looks like this:
$ unset DISPLAY
$ gdb glxinfo
...
(gdb) run
Starting program: /usr/bin/glxinfo 

Program received signal SIGSEGV, Segmentation fault.
*__GI_____strtol_l_internal (nptr=0xbffff57a "\t26782\n", endptr=0x0, base=0, group=0, loc=0x0) at strtol_l.c:246
246	strtol_l.c: No such file or directory.
	in strtol_l.c
(gdb) bt
#0  *__GI_____strtol_l_internal (nptr=0xbffff57a "\t26828\n", endptr=0x0, base=0, group=0, loc=0x0) at strtol_l.c:246
#1  0x0045b6b6 in *__GI___strtol_internal (nptr=0xbffff57a "\t26828\n", endptr=0x0, base=0, group=0) at strtol.c:99
#2  0x006bac15 in ?? () from /usr/lib/libGL.so.1
#3  0xbffff57a in ?? ()
#4  0x00000000 in ?? ()

Note that it crashes at a very early stage, not probably even contacting
X server yet (since DISPLAY is unset).

Packages:

ii  libc6                                         2.10.1-0ubuntu11                           GNU C Library: Shared libraries
ii  libc6-dbg                                     2.10.1-0ubuntu11                           GNU C Library: detached debugging symbols
ii  libc6-dev                                     2.10.1-0ubuntu11                           GNU C Library: Development Libraries and Hea
ii  libc6-i686                                    2.10.1-0ubuntu11                           GNU C Library: Shared libraries [i686 optimi
ii  libgl1-mesa-glx                               7.6.0~git20090817.7c422387-0ubuntu3        A free implementation of the OpenGL API -- G
ii  mesa-utils                                    7.6.0~git20090817.7c422387-0ubuntu3        Miscellaneous Mesa GL utilities
ii  mesa-utils-dbgsym                             7.6.0~git20090817.7c422387-0ubuntu3        debug symbols for package mesa-utils
ii  nvidia-185-kernel-source                      185.18.36-0ubuntu2                         NVIDIA binary kernel module source
ii  nvidia-185-libvdpau                           185.18.36-0ubuntu2                         Video Decode and Presentation API for Unix
ii  nvidia-glx-185                                185.18.36-0ubuntu2                         NVIDIA binary Xorg driver
ii  nvidia-settings                               180.25-0ubuntu1                            Tool of configuring the NVIDIA graphics driv
ii  rss-glx                                       0.9.0-2ubuntu3                             Really Slick Screensavers GLX Port
ii  xorg-docs-core                                1:1.4-5                                    Core documentation for the X.org X Window Sy
ii  xserver-xorg-core                             2:1.6.3-1ubuntu6                           Xorg X server - core server
ii  xserver-xorg-core-dbg                         2:1.6.3-1ubuntu6                           Xorg - the X.Org X server (debugging symbols

** Affects: nvidia-graphics-drivers-180 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
[karmic] Xorg (and anything GLX) crashes on startup
https://bugs.launchpad.net/bugs/429003
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