[Bug 72921] DPM Power Cycle with AMD A8-6600K & MSI FM2-A55M-E33

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72921

--- Comment #3 from Arno Schuring <aelschuring at hotmail.com> ---
Created attachment 100359
  --> https://bugs.freedesktop.org/attachment.cgi?id=100359&action=edit
dmesg

Looks like I'm seeing this same issue with an A8-6500 and linux 3.14: the
system reboots within a few seconds after the radeon module gets loaded. The
motherboard is an MSI A78M-E45. I'm attaching my (netconsole-captured) dmesg,
but no obvious errors are logged. Maybe the probed power states are off, I
can't tell. It does look like netconsole mangled some of the output, hope it's
still useful.

If I boot with radeon.dpm=0, everything seems fine (though I haven't run
anything 3D yet, glxinfo output appears correct). Blacklisting the radeon
module also prevents the system from rebooting, but X won't start.

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