Quoting Usyskin, Alexander (2019-07-24 09:35:13) > > -----Original Message----- > > From: Chris Wilson [mailto:chris@chris-wilson.co.uk] > > Sent: Tuesday, July 23, 2019 14:29 > > To: Winkler, Tomas ; intel- > > gfx@lists.freedesktop.org > > Cc: linux-kernel@vger.kernel.org; Usyskin, Alexander > > ; C, Ramalingam > > Subject: RE: [PATCH] mei: Abort writes if incomplete after 1s > > > > Quoting Winkler, Tomas (2019-07-23 12:25:14) > > > > > > > > During i915 unload, it appears that it may get stuck waiting on a > > > > workqueue being hogged by mei: > > > > > > Thanks for the bug report, but this is not a proper fix, we will try to work it out. > > > > Perfect :) > > > > It's only happened a couple of times in the last week or so, but if you want to > > throw patches at intel-gfx-trybot@lists.freedesktop.org to try and grab more > > information, please feel free to. > > -Chris > > Do you have full dmesg from affected system? Attached, plus a few more recent hits. https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6543/fi-blb-e6850/igt@i915_module_load@reload.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6537/fi-blb-e6850/igt@i915_module_load@reload.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6516/fi-blb-e6850/igt@i915_module_load@reload.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6480/fi-blb-e6850/igt@i915_module_load@reload.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6457/fi-blb-e6850/igt@i915_module_load@reload.html Hope that helps, -chris