[Bug 103251] [CI] igt at gem_userptr_blits@sync-unmap-cycles - dmesg-warn - WARNING: possible circular locking dependency detected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103251

--- Comment #1 from Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com> ---
This is a false positive caused by an upstream bug.

Feature got disabled in 4.14.0-rc5:

commit b483cf3bc249d7af706390efa63d6671e80d1c09
Author: Ingo Molnar <mingo at kernel.org>
Date:   Sat Oct 14 09:26:59 2017 +0200

    locking/lockdep: Disable cross-release features for now

I also have a proposal for a fix
(https://patchwork.freedesktop.org/series/31937/) but overall it is now a
matter of keeping an eye on what will be happening with the feature in the
upstream, and progressing some flavour of a fix at a suitable time.

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