[Bug 31951] New: [evergreen] random system freezes

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Nov 27 08:54:54 PST 2010


           Summary: [evergreen] random system freezes
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: jlp.bugs at gmail.com
         QAContact: xorg-team at lists.x.org

Hardware: ATI Mobility Radeon HD 5470
KDE SC 4.5.3 (with desktop effects enalbed of course)
Linux 2.6.37-RC3
Xorg Server
Mesa, libdrm, xf86-vide-ati all from git

While using the open source, radeon driver the system is randomly freezing. I
can't determine one use case when it happens. After it freezes the SSH to the
system is still operational, so it looks like only X freezes. I can't see any
100% CPU usage in a frozen system.

I also checked dmesg and I can't see any message when this happens. Xorg.0.log
also doesn't show any crash. I have once attached with GDB to X process before
the freeze happened and the only thing I could get out of it was:

Program received signal SIGPIPE, Broken pipe.
0x00000036188ca301 in writev () from /lib/libc.so.6
(gdb) where
#0  0x00000036188ca301 in writev () from /lib/libc.so.6
#1  0x00000000004692ec in _XSERVTransSocketWritev (ciptr=<value optimized out>,
buf=<value optimized out>, size=<value optimized out>) at
#2  0x00000000004617dd in FlushClient (who=0x5aa9630, oc=0x5661750,
__extraBuf=0x0, extraCount=0) at io.c:937
#3  0x0000000000462051 in FlushAllOutput () at io.c:681
#4  0x0000000000430373 in Dispatch () at dispatch.c:402
#5  0x00000000004249ed in main (argc=10, argv=<value optimized out>,
envp=<value optimized out>) at main.c:291

I don't know where else too look for more useful info on what happened.

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