[Bug 75127] New: Radeon SUMO: atombios stuck executing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75127

          Priority: medium
            Bug ID: 75127
          Assignee: dri-devel at lists.freedesktop.org
           Summary: Radeon SUMO: atombios stuck executing
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: sandy.8925 at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 94246
  --> https://bugs.freedesktop.org/attachment.cgi?id=94246&action=edit
linux_kernel_3.14-rc2_dmesg

I have a laptop with Radeon HD6520G GPU. 

I am running Arch Linux 64 bit with Linux 3.14-rc2 kernel and Mesa 10.0.3

During shutdown, suspend and resume, GPU hangs and I get error messages in the
kernel that state:

[drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
[drm:atom_execute_table_locked] *ERROR* atombios stuck executing D05E (len 62,
WS 0, PS 0) @ 0xD07A

Earlier, shutdown would work fine, and laptop would also suspend quickly. 

However now I find that suspend and shutdown take a long time and I see the
above error messages.

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