igt@gem_exec_whisper@basic-contexts-priority-all - incomplete - INFO: task gem_exec_whispe:1630 blocked for more than 30 seconds.
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8827/shard-tglb5/igt@gem_exec_whisper@basic-contexts-priority-all.html
7> [444.111422] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC off
<7> [444.111475] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [444.111515] i915 0000:00:02.0: [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02
<3> [513.294156] INFO: task gem_exec_whispe:1630 blocked for more than 30 seconds.
<3> [513.294218] Tainted: G U W 5.8.0-rc7-CI-CI_DRM_8827+ #1
<3> [513.294232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
<6> [513.294248] gem_exec_whispe D13040 1630 967 0x00004000
<6> [513.294253] Call Trace:
<6> [513.294270] __schedule+0x3a7/0x970
<6> [513.294274] ? wait_for_completion+0x7d/0x110
<6> [513.294276] schedule+0x37/0xe0
<6> [513.294278] schedule_timeout+0xf6/0x300
<6> [513.294284] ? mark_held_locks+0x49/0x70
<6> [513.294286] ? _raw_spin_unlock_irq+0x1f/0x40
<6> [513.294288] ? wait_for_completion+0x7d/0x110
<6> [513.294290] wait_for_completion+0xb0/0x110
<6> [513.294296] __flush_work+0x28b/0x4a0
<6> [513.294298] ? flush_workqueue_prep_pwqs+0x130/0x130
<6> [513.294351] i915_drop_caches_set+0xcb/0x270 [i915]
<6> [513.294356] simple_attr_write+0xb0/0xd0
<6> [513.294360] full_proxy_write+0x51/0x80
<6> [513.294364] vfs_write+0xcd/0x210
<6> [513.294366] ksys_write+0xa2/0xe0
<6> [513.294370] do_syscall_64+0x56/0xe0
<6> [513.294372] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<4> [513.294374] RIP: 0033:0x7f58c0f45281
<4> [513.294375] Code: Bad RIP value.
<4> [513.294376] RSP: 002b:00007ffe8974c138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4> [513.294378] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58c0f45281
<4> [513.294379] RDX: 0000000000000004 RSI: 00007ffe8974c190 RDI: 000000000000000a
<4> [513.294380] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
<4> [513.294382] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8974c190
<4> [513.294383] R13: 000000000000000a R14: 00007ffe8974c190 R15: 0000000000000006
