[Bug 81255] New: EDEADLK with S. Islands APU+dGPU during ib test on ring 5

[Bug 81255] New: EDEADLK with S. Islands APU+dGPU during ib test on ring 5

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

          Priority: medium
            Bug ID: 81255
          Assignee: dri-devel@lists.freedesktop.org
           Summary: EDEADLK with S. Islands APU+dGPU during ib test on
                    ring 5
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: joshua.r.marshall.1991@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 102648
  --> https://bugs.freedesktop.org/attachment.cgi?id=102648&action=edit
sudo lshw -sanitize

Recently installed a R9 270x on my system.  For the life of me, I cannot
determine what is wrong.  The BIOS uses it by default, during early boot the
system uses it, but during the VT switchoff, my system switches to APU graphics
during a series of GPU page faults.  Also, when running startxfce, the first
time after boot fails, and the following uses only the APU graphics.

sudo lshw -sanitize > http://pastebin.com/tkihM4rH

sudo journalctl -b -kxam > http://pastebin.com/EJcwcYU6

cat /var/log/Xorg.0.log > http://pastebin.com/wCbzws9d

cat /var/log/Xorg.o.log.old > http://pastebin.com/GaAL5Tqa

Xorg is working on auto.

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[Bug 81255] EDEADLK with S. Islands APU+dGPU during ib test on ring 5

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

--- Comment #1 from joshua.r.marshall.1991@gmail.com ---
Created attachment 102649
  --> https://bugs.freedesktop.org/attachment.cgi?id=102649&action=edit
sudo journalctl -b -kxam

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[Bug 81255] EDEADLK with S. Islands APU+dGPU during ib test on ring 5

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

--- Comment #2 from joshua.r.marshall.1991@gmail.com ---
Created attachment 102650
  --> https://bugs.freedesktop.org/attachment.cgi?id=102650&action=edit
Xorg.0.log

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[Bug 81255] EDEADLK with S. Islands APU+dGPU during ib test on ring 5

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

--- Comment #3 from joshua.r.marshall.1991@gmail.com ---
Created attachment 102651
  --> https://bugs.freedesktop.org/attachment.cgi?id=102651&action=edit
Xorg.0.log.old

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[Bug 81255] EDEADLK with S. Islands APU+dGPU during ib test on ring 5

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

--- Comment #4 from joshua.r.marshall.1991@gmail.com ---
I would start at <KERNEL ROOT>/drivers/gpu/drm/radeon/radeon_fence.c:368 since
that is the clause being hit.  So on line 364 on iteration 5 (the last)
radeon_ring_is_lockup returns true.  The function's definition is beyond me, so
that's where I'll have to leave you off.

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[Bug 81255] EDEADLK with S. Islands APU+dGPU during ib test on ring 5

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

--- Comment #5 from Kertesz Laszlo <laszlo.kertesz@infobenefic.ro> ---
You should try disabling the APU from the BIOS.

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[Bug 81255] EDEADLK with S. Islands APU+dGPU during ib test on ring 5

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

--- Comment #6 from joshua.r.marshall.1991@gmail.com ---
That is not a BIOS option.

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[Bug 81255] EDEADLK with S. Islands APU+dGPU during ib test on ring 5

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https://bugs.freedesktop.org/show_bug.cgi?id=81255

joshua.r.marshall.1991@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #7 from joshua.r.marshall.1991@gmail.com ---
Re-read the manual.  There is an option...albeit described as something else.

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