Red Hat Bugzilla – Bug 472550
X server crashes when Cerius2 exits
Last modified: 2009-07-14 12:50:28 EDT
Created attachment 324327 [details]
gdb backtrace of the crash
Description of problem:
The Fedora 9 X server is crashed when exiting a remote app, Cerius2, which is not well behaved but should not take down the server.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Exit Cerius2
X crashes out and machine returns to gdm prompt.
The server stays up.
Our user does ssh -Y server then runs cerius2 (revision 02.0608 from
http://accelrys.com/products/cerius2/) which churns out loads of messages:
X windows Protocol error: BadAccess (attempt to access private resource denied)
Major opcode of failed request: 89
Minor opcode of failed request: 0
Resource id in failed request: 0x0
Serial number of failed request: 970
Application will attempt to recover and continue.
while it's running (970 of them is for starting it then exiting straight away).
It runs fine and doesn't crash X on exit in RHEL5 or RHEL4 (fully patched to date x86_64 versions).
It's seems not to be a driver bug as it happens on a SiS 741 AGP chip (sis driver) and an Intel 915 chip - these are the only 2 Fedora 9 machines I can test.
gdb trace attached.
I'll bring in my personal laptop running rawhide on Monday and post the results if it will help.
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and let X11 autodetect your display and video card? Attach to this bug /var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 324460 [details]
X config file of machine 2
machine 2 is the second Fedora 9 install we've seen this issue on. files from machine 1 will follow.
Created attachment 324461 [details]
X log of machine 2
I can confirm that we see the same behaviour with no xorg.conf on machine 2
Created attachment 324477 [details]
X log of machine 2 with no X config file
I can confirm that the bug exists in Rawhide with
xorg-x11-server-Xorg-1.5.3-5.fc10 on Intel GMA900 hardware (machine 3) and will
attach a log
Created attachment 324486 [details]
X log of machine 3
This is from an Asus Eee PC 4G running Rawhide (as Fedora 10 final), and crashed in a different way to the crashes on the log files posted above, with coloured lines on the screen and a hard lock up necessitating use of the power switch. This behaviour has apparently been observed a couple of times on the Fedora 9 machine 1 also, but not on machine 2, and the usual case is the reported return to the gdm prompt.
Created attachment 324615 [details]
X log of machine 1
An X log from a crash on the first machine to exhibit the problem. Chipset here is Intel GMA 900.
Created attachment 324616 [details]
X config file of machine 1
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