<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [SNB][BAT] igt@gem_exec_flush@basic-batch-kernel-default-uc Failed assertion: intel_detect_and_clear_missed_interrupts(fd) == 0" href="https://bugs.freedesktop.org/show_bug.cgi?id=100007#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [SNB][BAT] igt@gem_exec_flush@basic-batch-kernel-default-uc Failed assertion: intel_detect_and_clear_missed_interrupts(fd) == 0" href="https://bugs.freedesktop.org/show_bug.cgi?id=100007">bug 100007</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 essence, it is a timing issue between raising the interrupt and processing the breadcrumb. Note sure just why commit 67b807a892302d184f6987b0c3cc2dc2505e4a2d Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Mon Feb 27 20:58:50 2017 +0000 drm/i915: Delay disabling the user interrupt for breadcrumbs ... commit 8d769ea7bc16c34c9dc5143be021e943014c4cd1 Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Mon Feb 27 20:58:47 2017 +0000 drm/i915: Report both waiters and success from intel_engine_wakeup() would have had a significant (bad) impact on the irq-seqno timings, or why it is only showing up in a single test - though we haven't had that many runs yet. Usual test is the full gem_sync to see how regular the error is.</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>