4.2-rc7: mutex-related crash on boot (radeon?)

Meelis Roos mroos at linux.ee
Fri Aug 21 01:11:34 PDT 2015

> > Hi, I tried 4.2-rc7 and todays 4.2-rc7+git on a P4 PC with Intel 850
> > chipset and old Radeon graphics. The machine crashes during boot and
> > starts spamming dmesg as fast as it scrolls. Netconsole caught the
> > dmesg. 4.1.0 worked fine.
> >
> > The first crash seems to be related to radeon_hotplug_work_func during
> > radeon initialization.
> Looks like a race at startup, I've sent a fix to dri-devel that should work.

It works. Applied on top of 4.2.0-rc7-00071-g0bad909 and everything 
seems to work fine, no crash.

Meelis Roos (mroos at linux.ee)

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