https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7167/shard-tglb7/igt@kms_color@pipe-b-ctm-red-to-blue.html Received signal SIGQUIT. Stack trace: #0 [fatal_sig_handler+0xd6] #1 [killpg+0x40] #2 [__write+0x12] #3 [writeN+0x2d] #4 [igt_sysfs_vprintf+0xf4] #5 [igt_sysfs_printf+0x8f] #6 [igt_drop_caches_set+0x2a] #7 [drm_open_driver+0x60] #8 [drm_open_driver_master+0x6] #9 [__real_main1210+0x233] #10 [main+0x27] #11 [__libc_start_main+0xe7] #12 [_start+0x2a] This is split from Bug 112126 and specific to display tests.
The CI Bug Log issue associated to this bug has been updated. ### New filters associated * TGL: igt@kms_* - timeout - Received signal SIGQUIT. Stack trace: #0 [fatal_sig_handler+0xd6] (No new failures associated)
I tried to check from display perspective. This looks to be an after affect of some locking issues caused by tests executed earlier: Showing all locks held in the system: <4>[ 735.147923] 4 locks held by dmesg/1005: <4>[ 735.147925] 3 locks held by igt_runner/1022: <4>[ 735.147927] #0: ffff88849ead9408 (sb_writers#4) {.+.+}, at: vfs_write+0x1a4/0x1d0 <4>[ 735.147933] #1: ffffffff82247a20 (rcu_read_lock){....}, at: __handle_sysrq+0x0/0x220 <4>[ 735.147936] #2: ffffffff82247a20 (rcu_read_lock){....}, at: debug_show_all_locks+0xe/0x1a0 <4>[ 735.147939] 4 locks held by gem_linear_blit/1049: <4>[ 735.147942] #0: ffff88849e2d9408 (sb_writers#14){.+.+} , at: vfs_write+0x1a4/0x1d0 <4>[ 735.147948] #1: ffff888491ada9b0 (&attr->mutex){..}, at: simple_attr_write+0x36/0xd0 <4>[ 735.147956] #2: ffff88849b420e70 (&timeline->mutex){..}, at: intel_gt_retire_requests_timeout+0xe2/0x540 [i915] <4>[ 735.147994] #3: ffff888481b5c570 (>->reset.mutex){..}, at: i915_request_wait+0xc9/0x880 [i915] This is causing the kms_color to wait more than the timeout and causing these SIGQUIT. From the logs below tests seem to have triggered this: [IGT] gem_ctx_engines [IGT] prime_busy [IGT] i915_pm_rps [IGT] gem_linear_blits
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