[Bug 85107] New: A10-7800: Boot problems (CPU stuck) and dpm not working correctly

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Oct 16 12:30:33 PDT 2014


            Bug ID: 85107
           Summary: A10-7800: Boot problems (CPU stuck) and dpm not
                    working correctly
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: wittemar at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 107947
  --> https://bugs.freedesktop.org/attachment.cgi?id=107947&action=edit
dmesg output with no CPU stuck messages

This bug report is for the problem described here:

I'm using an A10-7800 and openSUSE 13.2 with Kernel 3.17.0. Most of the times I
get a lot of CPU stuck messages while booting and it takes several minutes
until the system is booted to X. I added the log output with drm.debug=2.
Sometimes there are no CPU stuck messages and the system is booting fast. If I
blacklist the radeon driver or boot with nomodeset the system is working
without CPU stuck messages everytime.

Also it seems that the GPU is running always on the lowest power state, cat
/sys/kernel/debug/dri/0/radeon_pm_info is giving me always the same, while
being idle, running VDPAU programs, running qvdpautest or glxgears (withut

power level 0    sclk: 35122 vddc: 4900

So OpenGL applications and VDPAU is working very slow.

The dmesg output of a successfull boot and of a boot with CPU stuck messages is
attached, both times with drm.debug=2. Also Xorg.0.log is attached.

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