<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT]igt@gem_exec_suspend@basic-s4-devices - fail - Failed assertion: !"GPU hung"" href="https://bugs.freedesktop.org/show_bug.cgi?id=111699#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT]igt@gem_exec_suspend@basic-s4-devices - fail - Failed assertion: !"GPU hung"" href="https://bugs.freedesktop.org/show_bug.cgi?id=111699">bug 111699</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>Correlates with <3> [90.027305] DMAR: DRHD: handling fault status reg 2 <3> [90.027363] DMAR: [DMA Write] Request device [00:02.0] fault addr 43000 [fault reason 07] Next page table ptr is invalid In the GPU hang, it dies on MI_BATCH_BUFFER_END and doesn't return execution to the ring. I presume that's when the lookup failed. DMA_FADDR: 0x00000000_00013870 didn't cross a page so what it was looking up that failed is a mystery. "fault addr 43000" looks to be a reference to BBADDR: 0x00000000_00042fd4 But write? gem_exec_suspend does use a scratch page to verify HW works across suspend (using MI_STORE_DWORD_IMM), so probably that's the page that is absent.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>