[Bug 110593] [CI][SHARDS] igt at i915_pm_sseu@full-enable - fail - Failed assertion: pos != NULL

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri May 3 08:53:11 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=110593

--- Comment #3 from Lionel Landwerlin <lionel.g.landwerlin at linux.intel.com> ---
I think there is another bug about this problem (can't remember the number).
I left a comment explaining why we should rewrite this test as an i915 self
test.
Essentially reading the values of the powergating registers from the CPU is
racy.
These register only contain values after the GPU has run at least a single
context. This test fails because we've waken up uncore, but no context has been
run on the RCS, leaving the EUs still not powered on (hence 0 values).

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