Please collect a full backtrace on this crash - see
http://wiki.ubuntu.com/X/Backtracing for guidance.
** Description changed:
(As this bug probably has something to do with the interaction between
the KDE app(s) in question and GNOME and X, I'm not totally sure where
to put this.)
-------------------------------------------
updated tl;dr: If I'm using a KDE app during a GNOME session, sometimes it
will log me out, which upon further research is caused by an X Server crash.
This happens when a KDE program segfaults. The problem is that I know quite
well that the segmentation faults in KDE apps are usually caught by the crash
handler. And since I don't have a KDE desktop, I don't think the crash handler
actually catches these segfaults when one is not using the full KDE desktop.
Obviously, it probably should.
-------------------------------------------
I'm using the usual Ubuntu (GNOME) install, updated regularly but
running one or two KDE-based apps on top of it - the one that most
commonly triggers this condition is KolourPaint on top of GNOME, but
that's because that's the one I most commonly use. (Then again, I'm
using it because GNOME-based paint program clones are not nearly at that
level of development.)
This is what I generally do:
1. Log in and start any GNOME programs. This works fine.
2. Start the KDE-based program. This also works fine.
3. At some point while fooling around with said KDE-based program, the entire
X Server is brought down. No, I can't seem to isolate this to any particular
action or set of actions.
Notes:
1. This error seems to have replaced the fact that when said program crashes,
it brings up an error screen with the intent to report a bug, where the button
to actually report said bug is nonfunctional (due to the fact that I do not
actually have a full complement of Kubuntu packages).
2. The error in question, both in the previous report-a-bug screen and now
with X crashes, seems to be some sort of segmentation fault. Not that I know
what that means.
3. I didn't report this error when it brought up the KDE error screen. I
report it now. That's because I'd vastly prefer catching bugs, even without
saving program state, to completely upending X. Ending every program without
so much as giving the user a chance to save state is /not nice/.
4. Despite the fact that I'm not totally sure whether this is an X bug or
not, I used the report-with-X-info anyway; it might be useful.
5. I'm going to get a backtrace as soon as I can.
+ Backtrace:
+ 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e937b]
+ 1: /usr/bin/X (0x8048000+0x61c7d) [0x80a9c7d]
+ 2: (vdso) (__kernel_rt_sigreturn+0x0) [0x986410]
+ 3: /usr/lib/xorg/modules/libfb.so (fbSegment+0x215) [0xe68045]
+ 4: /usr/lib/xorg/modules/libfb.so (fbZeroLine+0x13c) [0xe64bec]
+ 5: /usr/lib/xorg/modules/libfb.so (fbPolyLine+0x72) [0xe648d2]
+ 6: /usr/lib/xorg/modules/drivers/intel_drv.so (0xb69000+0x63695) [0xbcc695]
+ 7: /usr/lib/xorg/modules/drivers/intel_drv.so (0xb69000+0x5c26b) [0xbc526b]
+ 8: /usr/bin/X (0x8048000+0xda0d8) [0x81220d8]
+ 9: /usr/bin/X (0x8048000+0x2860b) [0x807060b]
+ 10: /usr/bin/X (0x8048000+0x2a477) [0x8072477]
+ 11: /usr/bin/X (0x8048000+0x1ed7a) [0x8066d7a]
+ 12: /lib/tls/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0x275bd6]
+ 13: /usr/bin/X (0x8048000+0x1e961) [0x8066961]
+ Segmentation fault at address 0xb5f64ffc
+
+ Caught signal 11 (Segmentation fault). Server aborting
+
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-24.38-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
Date: Thu Jul 29 09:07:06 2010
DkmsStatus: Error: [Errno 2] No such file or directory
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Sony Corporation VGN-C190G
PccardctlIdent:
- Socket 0:
- no product info available
+ Socket 0:
+ no product info available
PccardctlStatus:
- Socket 0:
- no card
+ Socket 0:
+ no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic
root=UUID=0cb9888d-ddc8-4080-bd8b-4f36fdee854a ro quiet splash
ProcEnviron:
- LANG=en_US.utf8
- SHELL=/bin/bash
+ LANG=en_US.utf8
+ SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 09/16/2006
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: R0030J4
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvrR0030J4:bd09/16/2006:svnSonyCorporation:pnVGN-C190G:pvrR5216375:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VGN-C190G
dmi.product.version: R5216375
dmi.sys.vendor: Sony Corporation
system:
- distro: Ubuntu
- codename: lucid
- architecture: i686
- kernel: 2.6.32-24-generic
+ distro: Ubuntu
+ codename: lucid
+ architecture: i686
+ kernel: 2.6.32-24-generic
[lspci]
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
- Subsystem: Sony Corporation Device [104d:820f]
+ Subsystem: Sony Corporation Device [104d:820f]
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => High
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Incomplete
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/611380
Title:
segfault in KDE app not caught; causes X crash
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https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/611380/+subscriptions
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