<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [GLK] GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset" href="https://bugs.freedesktop.org/show_bug.cgi?id=106385#c12">Comment # 12</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [GLK] GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset" href="https://bugs.freedesktop.org/show_bug.cgi?id=106385">bug 106385</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>In the intel_iommu=igfx_off test, we got [ 0.000000] Linux version 4.17.0-rc3+ (<a href="mailto:root@amd1.blue.org">root@amd1.blue.org</a>) (gcc version 7.3.0 (GCC)) #5 SMP PREEMPT Fri May 4 08:44:22 CEST 2018 [ 0.000000] Command line: \\k.efi rw drm.debug=0xf intel_iommu=igfx_off initrd=\i.img ... [ 0.258015] DMAR: No ATSR found [ 0.258097] DMAR: dmar0: Using Queued invalidation [ 0.258107] DMAR: dmar1: Using Queued invalidation [ 0.258195] DMAR: Setting RMRR: [ 0.258282] DMAR: Setting identity map for device 0000:00:02.0 [0x5f800000 - 0x7fffffff] ... [ 207.804629] [drm] VT-d active for gfx access Odd. So we didn't succeed in disabling iommu. Do you mind compiling out iommu entirely to be sure we don't have a problem here with iommu+HWSP?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>