[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 Elizabeth changed: What|Removed |Added Status|RESOLVED

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 Chris Wilson changed: What|Removed |Added Resolution|--- |WORKSFORME

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #22 from Dorota Czaplejewicz --- I haven't seen the underlying slowness causing problems anywhere else yet. Perhaps we can close this and reopen if it reappears. -- You are receiving this mail

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #21 from Chris Wilson --- I kept the bug around in case we wanted to dig deeper into what the slowdown actually was. If it's below the level of care, lets close and move on. -- You are receiving this mail

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #20 from Dorota Czaplejewicz --- I just realized the patch was merged. Should this bug be considered fixed now? -- You are receiving this mail because: You are the assignee for the

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #19 from Dorota Czaplejewicz --- Should this be turned into a patch for igt or should I try to identify the underlying issue causing the slowness? -- You are receiving this mail because: You

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #18 from Dorota Czaplejewicz --- After adding the kick_fbcon() calls, the problem goes away, even without rebooting. -- You are receiving this mail because: You are the assignee for the bug. -- next part --

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #17 from Chris Wilson --- Try: diff --git a/lib/igt_core.c b/lib/igt_core.c index a18a728c..403b9423 100644 --- a/lib/igt_core.c +++ b/lib/igt_core.c @@ -67,6 +67,7 @@ #include "igt_core.h" #include "igt_aux.h" +#include

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #16 from Dorota Czaplejewicz --- Here it is: $ sudo cat /sys/kernel/debug/dri/0/i915_gem_framebuffer fbcon size: 1024 x 768, depth 24, 32 bpp, modifier 0x0, refcount 1, obj 880221116200: p3072KiB 41 00 uncached

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #15 from Chris Wilson --- That's us! Woohoo \o/ What does cat /sys/kernel/debug/dri/0/i915_gem_framebuffer report? Mainly interested in knowing if you have a tiled + fenced fbcon. -- You are receiving this mail because: You are

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #14 from Dorota Czaplejewicz --- # cat /proc/consoles tty0 -WU (EC p )4:1 Upon further digging, the slow stack *seems* like this (may be wrong, the tracing tool is less useful with huge numbers of calls):

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #13 from Chris Wilson --- Also trying with CONFIG_DRM_FBDEV_EMULATION unset. -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scrubbed... URL:

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #12 from Chris Wilson --- cat /proc/consoles? -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scrubbed... URL:

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #11 from Dorota Czaplejewicz --- Created attachment 128606 --> https://bugs.freedesktop.org/attachment.cgi?id=128606=edit ftrace call graph log for i915_gem_wait_ioctl The call log capturing i915_gem_wait_ioctl invokation and

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #10 from Chris Wilson --- [ 154.074065] [drm:drm_ioctl] pid=2323, dev=0xe200, auth=1, I915_GEM_WAIT [ 154.074748] i915_gem_wait_ioctl: timeout 0.5 -> 0.43351 [ 154.075390] [drm:drm_ioctl] ret = -512 ... [ 155.072528]

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #9 from Dorota Czaplejewicz --- Created attachment 128548 --> https://bugs.freedesktop.org/attachment.cgi?id=128548=edit igt/gem_sync/basic-store-each - dmesg (truncated beginning) -- You are receiving this mail because: You are

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #8 from Dorota Czaplejewicz --- Created attachment 128547 --> https://bugs.freedesktop.org/attachment.cgi?id=128547=edit igt/gem_sync/basic-store-each - log -- You are receiving this mail because: You are the assignee for the

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #7 from Dorota Czaplejewicz --- Created attachment 128546 --> https://bugs.freedesktop.org/attachment.cgi?id=128546=edit igt/gem_sync/basic-each - dmesg (truncated beginning) -- You are receiving this mail because: You are the

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #6 from Dorota Czaplejewicz --- Created attachment 128545 --> https://bugs.freedesktop.org/attachment.cgi?id=128545=edit igt/gem_sync/basic-each log -- You are receiving this mail because: You are the assignee for the bug.

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #5 from Dorota Czaplejewicz --- The same config option triggers failures in a similar way in: igt/gem_sync/basic-each igt/gem_sync/basic-store-each -- You are receiving this mail because: You are the assignee for the bug.

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #4 from Dorota Czaplejewicz --- Created attachment 128544 --> https://bugs.freedesktop.org/attachment.cgi?id=128544=edit Dmesg log with applied patch from comment #3 -- You are receiving this mail because: You are the assignee

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #3 from Chris Wilson --- Looks like the timeout value isn't being computed properly (possibly just that too much time is unaccounted?). Can you apply: diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #2 from Dorota Czaplejewicz --- Software: Fedora 24 kernel revision: 5415795 (drm-tip: 2016y-12m-16d-21h-26m-45s UTC integration manifest) kernel config: https://intel-gfx-ci.01.org/CI/CI_DRM_1968/kernel.config.bz2 Hardware: Intel

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 --- Comment #1 from Dorota Czaplejewicz --- Created attachment 128525 --> https://bugs.freedesktop.org/attachment.cgi?id=128525=edit basic-wait-all dmesg log -- You are receiving this mail because: You are the assignee for the bug.

[Bug 99130] [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail

https://bugs.freedesktop.org/show_bug.cgi?id=99130 Bug ID: 99130 Summary: [IVB] CONFIG_PROVE_LOCKING=y causes igt/gem_exec/basic-wait-all (and possibly others) to fail Product: DRI Version: unspecified