[Bug 69235] New: GPU Lockups on AMD A6-3400M

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69235

          Priority: medium
            Bug ID: 69235
          Assignee: xorg-driver-ati at lists.x.org
           Summary: GPU Lockups on AMD A6-3400M
        QA Contact: xorg-team at lists.x.org
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: adam at piggz.co.uk
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/Radeon
           Product: xorg

Created attachment 85648
  --> https://bugs.freedesktop.org/attachment.cgi?id=85648&action=edit
dmesg when getting regular lockups

Ive tried kernels from 3.8 to 3.11 and Mesa from 9.0.2 to 9.2 and have the same
set of problems.

They are intermittent, ie, sometimes the open-source driver works (like now!)
and others it doesnt (like my previous boot 30 minutes ago!)

It seems to fail approx 4 out of 5 times or so.

When it doesnt work, it seems to fail in in 2 different ways:
1) regular gpu lockups (every 10 seconds) - machine is unusable
2) a single gpu lockup early in the boot which prevents dri and 3d accel, but
can use 2d X

When is works ok, i have no gpu lockups and 3d accell works fine.

I will attach some logs.

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