[Bug 37502] New: Kernels oops display in X leaves screen garbled

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=37502

           Summary: Kernels oops display in X leaves screen garbled
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.0.0-rc3
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: edwintorok@gmail.com
        Regression: No


Created an attachment (id=62102)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=62102)
dmesg

I got some BUG_ONs/warnings from the kernel, and every time it happened I ended
up with a garbled screen (see attached photo).
Switching to a virtual console, and back to X (twice) restored my desktop.

I don't know if the kernel is trying to switch to a text console to display the
Oops, or if it tries to display the oops on the graphical console, but
apparently its not working well.

The first time I get an Oops after a reboot I get to see the Oops text on a
black background (and my mouse cursor, which makes me believe this is the
graphical KMS console), but everything after that just leaves me with a garbled
screen.

The oops displayed is:
https://lkml.org/lkml/2011/6/15/50

I don't know if this is a regression or not, I rarely get Oopses, and last time
I got a panic message I was able to see it (although I was in X at the time),
but then so can I for the 1st Oops message.

My graphics card is:
01:00.0 VGA compatible controller: ATI Technologies Inc RV730 PRO [Radeon HD
4650]

I use KMS, Xorg 1.10.2, and Mesa 7.10.2-3.

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