[Bug 103964] BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:34

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103964

Rodrigo Vivi <rodrigo.vivi at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #6 from Rodrigo Vivi <rodrigo.vivi at gmail.com> ---
my bisect with "./gem_concurrent_all --run-subtest
4KiB-tiny-partial-gtt-early-read-forked-hang-all"

pointed to this:

commit 4e90a6e222720dd0ec529f87eca990c736ba8ede
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sun Nov 26 22:09:01 2017 +0000

    drm/i915: Record default HW state in the GPU error state

Reverting it on drm-tip I could get test passing.

Chris, any quick idea? Maybe concurrence issue here?

Rafael will still check if same patch is really what he saw...

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