igt@i915_selftest@live@migrate - dmesg-warn - WARNING: held lock freed!, RIP: 0010:finish_task_switch
<4> [379.456834] =========================
<4> [379.456838] WARNING: held lock freed!
<4> [379.456842] 5.18.0-rc6-CI_DRM_11627-gb90a46b7cf23+ #1 Tainted: G U
<4> [379.456848] -------------------------
<4> [379.456852] igt-1/5573 is freeing memory ffff88811a6cae80-ffff88811a6cb62f, with a lock still held there!
<4> [379.456859] ffff88811a6cb028 (reservation_ww_class_mutex){+.+.}-{3:3}, at: i915_gem_ww_ctx_backoff+0xbc/0x160 [i915]
<4> [379.457322] 3 locks held by igt-1/5573:
<4> [379.457328] #0: ffffc90000613e90 (reservation_ww_class_acquire){+.+.}-{0:0}, at: copy+0xf8/0x890 [i915]
<4> [379.457694] #1: ffff88811a6cb028 (reservation_ww_class_mutex){+.+.}-{3:3}, at: i915_gem_ww_ctx_backoff+0xbc/0x160 [i915]
<4> [379.458079] #2: ffffffff827370c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x30d/0x950
<4> [379.458099]
stack backtrace:
<4> [379.458103] CPU: 1 PID: 5573 Comm: igt-1 Tainted: G U 5.18.0-rc6-CI_DRM_11627-gb90a46b7cf23+ #1
<4> [379.458111] Hardware name: /NUC5CPYB, BIOS PYBSWCEL.86A.0079.2020.0420.1316 04/20/2020
<4> [379.458117] Call Trace:
<4> [379.458123] <IRQ>
<4> [379.458130] dump_stack_lvl+0x56/0x7b
<4> [379.458141] debug_check_no_locks_freed.cold.68+0x78/0x7d
<4> [379.458151] ? __i915_gem_free_object_rcu+0x1b/0x40 [i915]
<4> [379.458525] kmem_cache_free+0xb6/0x3f0
<4> [379.458535] __i915_gem_free_object_rcu+0x1b/0x40 [i915]
<4> [379.458905] rcu_core+0x364/0x950
<4> [379.458912] ? rcu_core+0x30d/0x950
<4> [379.458920] __do_softirq+0xdf/0x493
<4> [379.458931] irq_exit_rcu+0xa6/0xe0
<4> [379.458938] sysvec_apic_timer_interrupt+0x9e/0xc0
<4> [379.458946] </IRQ>
<4> [379.458949] <TASK>
<4> [379.458953] asm_sysvec_apic_timer_interrupt+0x12/0x20
<4> [379.458960] RIP: 0010:finish_task_switch+0xb0/0x290
<4> [379.458970] Code: f6 49 8d 7c 24 18 e8 bf 56 03 00 4c 89 e7 e8 17 ff ff ff 4c 89 e7 e8 4f c8 a2 00 e8 6a 67 0c 00 fb 65 48 8b 04 25 40 af 01 00 <5a> 0f 1f 44 00 00 4d 85 ed 74 21 65 48 8b 04 25 40 af 01 00 4c 3b
<4> [379.458976] RSP: 0018:ffffc90000613bf8 EFLAGS: 00000202
<4> [379.458982] RAX: ffff88810adf0040 RBX: ffff88810adf0040 RCX: 0000000000000006
<4> [379.458987] RDX: 0000000000000000 RSI: ffffffff8239f67f RDI: ffffffff8233fcdf
<4> [379.458992] RBP: ffffc90000613c38 R08: 0000000000000001 R09: 0000000000000001
<4> [379.458996] R10: 00000000246969fc R11: 000000005d19c9bd R12: ffff88817b93b780
<4> [379.459000] R13: 0000000000000000 R14: ffff888100382900 R15: 0000000000000402
<4> [379.459011] ? finish_task_switch+0xa6/0x290
<4> [379.459018] ? finish_task_switch+0x6b/0x290
<4> [379.459026] __schedule+0x48b/0xb50
<4> [379.459034] ? preempt_schedule_notrace_thunk+0x16/0x18
<4> [379.459042] ? i915_gem_ww_ctx_unlock_all+0x9d/0xf0 [i915]
<4> [379.459424] preempt_schedule_notrace+0x4e/0x80
<4> [379.459432] preempt_schedule_notrace_thunk+0x16/0x18
<4> [379.459441] lock_release+0x21c/0x2d0
<4> [379.459451] __mutex_unlock_slowpath+0x3e/0x2b0
<4> [379.459461] i915_gem_ww_ctx_unlock_all+0x9d/0xf0 [i915]
<4> [379.459837] i915_gem_ww_ctx_backoff+0x1d/0x160 [i915]
<4> [379.460210] copy+0x2fe/0x890 [i915]
<4> [379.460560] ? intel_migrate_copy+0x1f0/0x1f0 [i915]
<4> [379.460915] ? 0xffffffff81000000
<4> [379.460922] ? __thread_global_copy+0x20/0x20 [i915]
<4> [379.461272] kthread+0xef/0x120
<4> [379.461279] ? kthread_complete_and_exit+0x20/0x20
<4> [379.461286] ret_from_fork+0x22/0x30
<4> [379.461297] </TASK>
<6> [379.517795] i915: Running intel_migrate_live_selftests/thread_migrate_clear
<6> [379.614026] i915: Running intel_migrate_live_selftests/thread_global_copy
<6> [379.668545] i915: Running intel_migrate_live_selftests/thread_global_clear
<7> [379.716824] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling display
<7> [379.717454] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:95:DP-1]
<7> [379.717923] i915 0000:00:02.0: [drm:check_connector_changed [drm_kms_helper]] [CONNECTOR:95:DP-1] Same epoch counter 1
<7> [379.717969] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:102:HDMI-A-1]
<7> [379.718380] i915 0000:00:02.0: [drm:check_connector_changed [drm_kms_helper]] [CONNECTOR:102:HDMI-A-1] Same epoch counter 1
<7> [379.718416] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:107:DP-2]
<7> [379.718379] i915 0000:00:02.0: [drm:intel_vga_redisable_power_on [i915]] Something enabled VGA plane, disabling it
<7> [379.718845] i915 0000:00:02.0: [drm:check_connector_changed [drm_kms_helper]] [CONNECTOR:107:DP-2] Same epoch counter 1
<7> [379.718883] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:111:HDMI-A-2]
<7> [379.719285] i915 0000:00:02.0: [drm:check_connector_changed [drm_kms_helper]] [CONNECTOR:111:HDMI-A-2] Same epoch counter 1
<7> [379.719214] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling dpio-common-bc
<7> [379.720199] i915 0000:00:02.0: [drm:chv_dpio_cmn_power_well_enable [i915]] Enabled DPIO PHY0 (PHY_CONTROL=0x050007fd)
<7> [379.721426] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling dpio-common-d
<7> [379.722523] i915 0000:00:02.0: [drm:chv_dpio_cmn_power_well_enable [i915]] Enabled DPIO PHY1 (PHY_CONTROL=0x050007ff)
<7> [379.745374] intel_gt_set_wedged called from intel_gt_set_wedged_on_fini+0x15/0x40 [i915]
<7> [379.825834] i915 0000:00:02.0: [drm:drm_client_release] drm_fb_helper
<4> [379.871422] i915: probe of 0000:00:02.0 failed with error -25