Created attachment 102739 [details] dmesg ==System Environment== -------------------------- Regression: Yes It's a igt regression issue Good commit on igt: 6b986a2044a2708f900454d7e23fcd0bbf68879d Bad commit on igt: e74dd22ff89e007e637f16f661f06d4857a54224 Non-working platforms: BDW ==kernel== -------------------------- origin/drm-intel-nightly: 271bff129a641b5b35d99c9eb0ceb866ca42f692(fails) drm-intel-nightly: 2014y-07m-12d-12h-07m-51s integration manifest origin/drm-intel-next-queued: 491a3448622059b087d8c465b46b11f2953df7c1(fails) drm/i915: Enable PSR by default. origin/drm-intel-fixes: ceb9f032dc858c349d7d213454c5ba2c6ef9c5e5(fails) Revert "drm/i915: Don't set the 8to6 dither flag when not scaling" ==Bug detailed description== igt/kms_flip/vblank-vs-modeset-rpm fails Output: root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip --run-subtest vblank-vs-modeset-rpm IGT-Version: 1.7-ge74dd22 (x86_64) (Linux: 3.16.0-rc4_drm-intel-next-queued_491a34_20140714+ x86_64) Using monotonic timestamps Beginning vblank-vs-modeset-rpm on crtc 6, connector 17 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 .Test assertion failure function run_test_step, file kms_flip.c:951: Failed assertion: igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED) Subtest vblank-vs-modeset-rpm: FAIL Test assertion failure function igt_install_exit_handler, file igt_core.c:1084: Failed assertion: exit_handler_count < MAX_EXIT_HANDLERS kms_flip: igt_core.c:655: igt_fail: Assertion `!test_with_subtests || in_fixture' failed. Test assertion failure function kmstest_force_connector, file igt_kms.c:461: Failed assertion: debugfs_fd != -1 Last errno: 2, No such file or directory kms_flip: igt_core.c:655: igt_fail: Assertion `!test_with_subtests || in_fixture' failed. Aborted root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# echo $? 134 ==Reproduce steps== ---------------------------- 1. ./kms_flip --run-subtest vblank-vs-modeset-rpm
This failure still able to reproduce on -nightly(49ceddc7b3b0e3f7eb21b9fb4c9b840cff630047) on HSW [root@x-hsw24 tests]# ./kms_flip --run-subtest vblank-vs-dpms-rpm-interruptible IGT-Version: 1.7-g4d2f511 (x86_64) (Linux: 3.17.0-rc1_drm-intel-nightly_49cedd_20140821+ x86_64) Using monotonic timestamps Beginning vblank-vs-dpms-rpm-interruptible on crtc 7, connector 18 1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000 .Test assertion failure function run_test_step, file kms_flip.c:951: Failed assertion: igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED) Last errno: 4, Interrupted system call Subtest vblank-vs-dpms-rpm-interruptible: FAIL
I am not sure if it's igt regression issue now. I reset kernel and igt to good commit, the failure still able to reproduce. I am hard to bisect.
We recently committed fixes to both the Kernel and IGT related to this. Please retest against the latest kernel/igt trees.
Test passes on latest -nightly(32cefad9992e67b4ee7487adf465bd7e189c9c1c) root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip --run-subtest vblank-vs-modeset-rpm IGT-Version: 1.8-gcba3088 (x86_64) (Linux: 3.18.0-rc2_drm-intel-nightly_32cefa_20141028+ x86_64) Using monotonic timestamps Beginning vblank-vs-modeset-rpm on crtc 8, connector 19 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 ... vblank-vs-modeset-rpm on crtc 8, connector 19: PASSED Beginning vblank-vs-modeset-rpm on crtc 12, connector 19 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 .. vblank-vs-modeset-rpm on crtc 12, connector 19: PASSED Beginning vblank-vs-modeset-rpm on crtc 16, connector 19 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 .. vblank-vs-modeset-rpm on crtc 16, connector 19: PASSED Subtest vblank-vs-modeset-rpm: SUCCESS (12.830s)
Closing (>2 years) old Verified+Fixed.
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