https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4188/fi-cnl-y2/igt@gem_exec_suspend@basic-s4-devices.html (gem_exec_suspend:3279) igt-aux-CRITICAL: Test assertion failure function suspend_via_sysfs, file igt_aux.c:828: (gem_exec_suspend:3279) igt-aux-CRITICAL: Failed assertion: igt_sysfs_set(power_dir, "state", suspend_state_name[state]) (gem_exec_suspend:3279) igt-aux-CRITICAL: Last errno: 16, Device or resource busy Subtest basic-S4-devices failed. <7>[ 284.817133] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02 <3>[ 286.810660] usb 1-10: device descriptor read/64, error -110 <3>[ 302.682643] usb 1-10: device descriptor read/64, error -110 <6>[ 302.899393] usb 1-10: new full-speed USB device number 9 using xhci_hcd <3>[ 303.136365] Freezing of tasks failed after 20.005 seconds (0 tasks refusing to freeze, wq_busy=1): <6>[ 303.136496] Showing busy workqueues and worker pools: <6>[ 303.136547] workqueue writeback: flags=0x4e <6>[ 303.136676] pwq 8: cpus=0-3 flags=0x4 nice=0 active=0/0 <6>[ 303.136771] delayed: wb_workfn <6>[ 303.136807] workqueue usb_hub_wq: flags=0x4 <6>[ 303.137098] pwq 6: cpus=3 node=0 flags=0x0 nice=0 active=1/0 <6>[ 303.137416] in-flight: 112:hub_event <6>[ 303.137523] pool 6: cpus=3 node=0 flags=0x0 nice=0 hung=19s workers=9 idle: 591 37 3275 3272 486 30 3276 3274 <6>[ 303.137676] Restarting kernel threads ... done. <6>[ 303.328434] acpi LNXPOWER:09: Turning OFF <7>[ 303.357725] PM: Basic memory bitmaps freed <6>[ 303.357729] OOM killer enabled. <6>[ 303.357731] Restarting tasks ... done. <6>[ 303.457119] PM: hibernation exit
Also note: https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4188/fi-cnl-y2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4188/fi-cnl-y2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html The issue was repeated on IGT_4190, but has not been seen after
the fi-cnl-y2 is no longer in the BAT lab. I will close this bug, maybe it will show itself on the fi-cnl-y3, my guess is that it will not.
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