<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT] igt@drv_selftest@live_hangcheck - dmesg-fail - failed to idle after reset" href="https://bugs.freedesktop.org/show_bug.cgi?id=107916#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT] igt@drv_selftest@live_hangcheck - dmesg-fail - failed to idle after reset" href="https://bugs.freedesktop.org/show_bug.cgi?id=107916">bug 107916</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>What happened here is the tasklet never runs. It's scheduled, enabled and ready... <3>[ 526.201555] i915_reset_engine(vcs0:others-active): failed to idle after reset <6>[ 526.201561] i915 0000:00:02.0: [drm] vcs0 <6>[ 526.201563] i915 0000:00:02.0: [drm] current seqno 15874, last 15874, hangcheck 0 [10481 ms] <6>[ 526.201564] i915 0000:00:02.0: [drm] Reset count: 16464 (global 1) <6>[ 526.201566] i915 0000:00:02.0: [drm] Requests: <6>[ 526.201574] i915 0000:00:02.0: [drm] first 15874! [71d7:6fa] prio=0 @ 52ms: (null) <6>[ 526.201576] i915 0000:00:02.0: [drm] last 15874! [71d7:6fa] prio=0 @ 52ms: (null) <6>[ 526.201612] i915 0000:00:02.0: [drm] RING_START: 0x002f0000 <6>[ 526.201623] i915 0000:00:02.0: [drm] RING_HEAD: 0x00000680 <6>[ 526.201625] i915 0000:00:02.0: [drm] RING_TAIL: 0x00000680 <6>[ 526.201627] i915 0000:00:02.0: [drm] RING_CTL: 0x00000000 <6>[ 526.201629] i915 0000:00:02.0: [drm] RING_MODE: 0x00000200 [idle] <6>[ 526.201631] i915 0000:00:02.0: [drm] RING_IMR: fffffeff <6>[ 526.201633] i915 0000:00:02.0: [drm] ACTHD: 0x00000000_00000680 <6>[ 526.201636] i915 0000:00:02.0: [drm] BBADDR: 0x00000000_00000000 <6>[ 526.201638] i915 0000:00:02.0: [drm] DMA_FADDR: 0x00000000_00000000 <6>[ 526.201640] i915 0000:00:02.0: [drm] IPEIR: 0x00000000 <6>[ 526.201641] i915 0000:00:02.0: [drm] IPEHR: 0x00000000 <6>[ 526.201644] i915 0000:00:02.0: [drm] Execlist status: 0x00000301 00000000 <6>[ 526.201646] i915 0000:00:02.0: [drm] Execlist CSB read 5, write 1 [mmio:1], tasklet queued? yes (enabled) <6>[ 526.201648] i915 0000:00:02.0: [drm] Execlist CSB[0]: 0x00000001 [mmio:0x00000001], context: 0 [mmio:0] <6>[ 526.201650] i915 0000:00:02.0: [drm] Execlist CSB[1]: 0x00000018 [mmio:0x00000018], context: 2 [mmio:2] <6>[ 526.201653] i915 0000:00:02.0: [drm] ELSP[0] count=1, ring->start=002f0000, rq: 15874! [71d7:6fa] prio=0 @ 52ms: (null) <6>[ 526.201654] i915 0000:00:02.0: [drm] ELSP[1] idle <6>[ 526.201655] i915 0000:00:02.0: [drm] HW active? 0x1 <6>[ 526.201682] i915 0000:00:02.0: [drm] E 15874! [71d7:6fa] prio=0 @ 52ms: (null) <6>[ 526.201700] i915 0000:00:02.0: [drm] Queue priority: -2147483648 <6>[ 526.201702] i915 0000:00:02.0: [drm] IRQ? 0x0 (breadcrumbs? no) <6>[ 526.201703] i915 0000:00:02.0: [drm] HWSP: <6>[ 526.201706] i915 0000:00:02.0: [drm] [0000] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 526.201707] i915 0000:00:02.0: [drm] * <6>[ 526.201709] i915 0000:00:02.0: [drm] [0040] 00000001 00000000 00000018 00000002 00000001 00000000 00000001 00000000 <6>[ 526.201711] i915 0000:00:02.0: [drm] [0060] 00000018 00000008 00000001 00000000 00000000 00000000 00000000 00000001 <6>[ 526.201713] i915 0000:00:02.0: [drm] [0080] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 526.201714] i915 0000:00:02.0: [drm] * <6>[ 526.201717] i915 0000:00:02.0: [drm] [00c0] 00015874 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 526.201718] i915 0000:00:02.0: [drm] [00e0] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 526.201720] i915 0000:00:02.0: [drm] * <6>[ 526.201721] i915 0000:00:02.0: [drm] Idle? no Loss for words. To cap it all we even try and kick the tasklet when checking idle. To skip that kick means the tasklet was locked?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>