** Summary changed: - GTK apps cause Xorg to segfault with error 4 under Kubuntu Jaunty + Wacom + GTK + old configuration causes Xorg to segfault with error 4 under Kubuntu Jaunty
** Description changed: Binary package hint: xorg In the latest aptitude full-upgrade I did (running Kubuntu Jaunty) there were a couple of packages that said they were "recommended but would not be installed." -- I more or less shrugged these off, but I forgot to write them down. After the computer rebooted, a whole mess of things happened: the biggest one is that now, whenever I start any GTK-based app, (tested with GIMP, Firefox, and CellWriter) X segfaults. Since the bug is trivially reproducable, I've recorded the /var/log/syslog messages on four separate occasions after deliberately triggering this bug. They all have these lines in common: Xorg[*****]: segfault at d0 ip 0000000000496786 sp 00007fff*******0 error 4 in Xorg[400000+1c3000] [drm:gm45_get_vblank_counter] *ERROR* trying to get vblank count for disabled pipe 0 kdm[****]: X server for display :0 terminated unexpectedly I have also seen these three lines erratically appear; they suggestively implicate Qt 4.5, but it may be that Qt is just noticing the X segfault: python[17124]: segfault at 30 ip 00007fc440976bb5 sp 00007fff4a0e38f8 error 4 in libQtCore.so.4.5.0[7fc440807000+240000] ksmserver[17070]: segfault at 8 ip 00007f2045afbe2b sp 00007f203b28f648 error 4 in libQtDBus.so.4.5.0[7f2045ab7000+74000] ksmserver[19042]: segfault at 8 ip 00007f4c24ecde2b sp 00007f4c1a661648 error 4 in libQtDBus.so.4.5.0[7f4c24e89000+74000] There is also a backtrace recorded in /var/logs/Xorg.0.log.old file, which looks like this: 0: /usr/bin/X(xorg_backtrace+0x26) [0x4f1b66] 1: /usr/bin/X(xf86SigHandler+0x41) [0x485a61] 2: /lib/libc.so.6 [0x7f2d63995040] 3: /usr/lib/xorg/modules/input//wacom_drv.so [0x7f2d61795035] 4: /usr/bin/X(ActivateDevice+0x3e) [0x447a8e] 5: /usr/bin/X(OpenInputDevice+0x10) [0x4968e0] 6: /usr/bin/X(ProcXOpenDevice+0xa3) [0x545823] 7: /usr/bin/X(Dispatch+0x364) [0x44e304] 8: /usr/bin/X(main+0x3bd) [0x433d8d] 9: /lib/libc.so.6(__libc_start_main+0xe6) [0x7f2d639805a6] 10: /usr/bin/X [0x433219] Saw signal 11. Server aborting. - This suggests that maybe something with the wacom driver is to blame? - - I don't know, and at this point I'm lost. Probably the only helpful - thing I can really tell you is that it was a recent package that broke - the setup; firefox used to run just fine. + An upcoming comment will discuss this more in-depth. ProblemType: Bug Architecture: amd64 DistroRelease: Ubuntu 9.04 Package: xorg 1:7.4~5ubuntu18 ProcEnviron: LANGUAGE= LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersion: Linux version 2.6.28-11-generic (bui...@crested) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #41-Ubuntu SMP Wed Apr 8 04:39:23 UTC 2009 SourcePackage: xorg Uname: Linux 2.6.28-11-generic x86_64 -- Wacom + GTK + old configuration causes Xorg to segfault with error 4 under Kubuntu Jaunty https://bugs.launchpad.net/bugs/359133 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
