[Bug 37169] New: [r280] GL applications crash X (KMS in Ubuntu 11.04)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=37169

           Summary: [r280] GL applications crash X (KMS in Ubuntu 11.04)
           Product: xorg
           Version: 7.6
          Platform: PowerPC
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: rechner at vlado-do.de
         QAContact: xorg-team at lists.x.org


Created an attachment (id=46678)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=46678)
dmesg output after the X crash

Since UMS does not work properly on my system (see #37166) I experimented with
KMS using a current Ubuntu (11.04). UMS on this Ubuntu had different problems,
like crashes when switching back to console (on shutdown), and no acceleration
at all.

I tried disabling radeonfb and the Openfirmware framebuffer, and then loading
radeon manually via ssh from a different system. It first seems to work, but
starting a 3D application (i.e. glxgears) immediately leads to a crash.

I tried many different things, and the latest kernel I used was 2.6.39-rc6. I
could recompile with debugging, if someone was interested in working on this.
But it might take a few days (less than a week) for me to get back to this.

I'm attaching dmesg output and Xorg.0.log from after the crash.

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