[Bug 67631] New: Radeon UVD hang/crash

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=67631

            Bug ID: 67631
           Summary: Radeon UVD hang/crash
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.12.6
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: vitalif at yourcmc.ru
        Regression: No

Created attachment 119491
  --> https://bugzilla.kernel.org/attachment.cgi?id=119491&action=edit
dmesg logged via netconsole

Hi!

When I try to use UVD on my laptop Dell Studio XPS 1645 with RV730 chip
(Mobility Radeon HD 4670), the GPU hangs and is unable to work correctly.
Virtual console switch works, and I even can restart X, but after that the
picture is totally corrupt. I also tried to unload radeon by 'echo 0 >
/sys/class/vtconsole/vtcon1/bind; rmmod radeon' and got kernel oops.

The log is attached.

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