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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [all]igt/drv_suspend/forcewake causes WARNING: CPU: 5 PID: 4366 at drivers/gpu/drm/i915/intel_uncore.c:463 assert_forcewakes_inactive+0x57/0x6d [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89626#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [all]igt/drv_suspend/forcewake causes WARNING: CPU: 5 PID: 4366 at drivers/gpu/drm/i915/intel_uncore.c:463 assert_forcewakes_inactive+0x57/0x6d [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89626">bug 89626</a>
from <span class="vcard"><a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> <span class="fn">ye.tian</span></a>
</span></b>
<pre>Tested on the latest nightly kernel and latest igt, it still exists.
output:
--------------
root@x-sgb4:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./drv_suspend
--run-subtest forcewake
IGT-Version: 1.10-g2e526ae (x86_64) (Linux:
4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ x86_64)
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Tue Apr 14 09:28:52 2015
Subtest forcewake: SUCCESS (1.184s)</pre>
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