Quoting Tahvanainen, Jari (2017-09-19 15:24:22) > -----Original Message----- > From: Chris Wilson [mailto:chris@xxxxxxxxxxxxxxxxxx] > Sent: Tuesday, September 19, 2017 5:19 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Tahvanainen, Jari <jari.tahvanainen@xxxxxxxxx>; Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > Subject: Re: [PATCH] drm/i915/selftests: Try to recover from a wedged GPU during reset tests > > Quoting Chris Wilson (2017-09-15 14:09:29) > > If we see the seqno stop progressing, we abandon the test for fear > > that the GPU died following the reset. However, during test teardown > > we still wait for the GPU to idle before continuing, but we have > > already confirmed that the GPU is dead. Furthermore, since we are > > inside a reset test, we have disabled the hangchecker, and so there is > > no safety net and we wait indefinitely. Detect the stuck GPU and > > declare it wedged as a state of emergency so we can escape. > > > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > Cc: Jari Tahvanainen <jari.tahvanainen@xxxxxxxxx> > > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > > >Ping? > > Sorry Chris for late answer. Tried to get touch with you earlier through IRC. > I merged the series on top of the drm-tip and executed it in HSW - no hang anymore - FAIL. > > (drv_selftest:6304) igt-kmod-CRITICAL: Test assertion failure function igt_kselftest_execute, file igt_kmod.c:513: > (drv_selftest:6304) igt-kmod-CRITICAL: Failed assertion: err == 0 > (drv_selftest:6304) igt-kmod-CRITICAL: kselftest "i915 igt__19__live_hangcheck=1 live_selftests=-1" failed: Input/output error [5] > (drv_selftest:6304) igt-core-INFO: Stack trace: > (drv_selftest:6304) igt-core-INFO: #0 [__igt_fail_assert+0x101] > (drv_selftest:6304) igt-core-INFO: #1 [igt_kselftest_execute+0x296] > (drv_selftest:6304) igt-core-INFO: #2 [igt_kselftests+0x295] > (drv_selftest:6304) igt-core-INFO: #3 [main+0x5f] > (drv_selftest:6304) igt-core-INFO: #4 [__libc_start_main+0xf1] > (drv_selftest:6304) igt-core-INFO: #5 [_start+0x2a] > (drv_selftest:6304) igt-core-INFO: #6 [<unknown>+0x2a] > **** END **** > Stack trace: > #0 [__igt_fail_assert+0x101] > #1 [igt_kselftest_execute+0x296] > #2 [igt_kselftests+0x295] > #3 [main+0x5f] > #4 [__libc_start_main+0xf1] > #5 [_start+0x2a] > #6 [<unknown>+0x2a] > Subtest live_hangcheck: FAIL (1.911s) That's what it is meant to do; stop the fail from freezing the machine. I'll take that as a Tested-by: Jari Tahvanainen <jari.tahvanainen@xxxxxxxxx> -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
