[  846.809013] INFO: task sa-solver:30985 blocked for more than 120 seconds.
[  846.809022]       Not tainted 4.8.0-rc6-ethos3 #1
[  846.809025] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  846.809029] sa-solver       D ffffa1eb09aafb48     0 30985      1 0x00000002
[  846.809037]  ffffa1eb09aafb48 ffffffff961f2b2b ffffa1eb1f75c240 ffffa1eb366e9540
[  846.809043]  ffffa1eb09ab0000 ffffffffc0572004 ffffa1eb1f75c240 00000000ffffffff
[  846.809048]  ffffffffc0572008 ffffa1eb09aafb60 ffffffff96824b95 ffffffffc0572000
[  846.809053] Call Trace:
[  846.809064]  [<ffffffff961f2b2b>] ? __slab_free+0x9b/0x2b0
[  846.809074]  [<ffffffff96824b95>] schedule+0x35/0x80
[  846.809080]  [<ffffffff96824e3e>] schedule_preempt_disabled+0xe/0x10
[  846.809086]  [<ffffffff968266e5>] __mutex_lock_slowpath+0x95/0x110
[  846.809092]  [<ffffffff9682677f>] mutex_lock+0x1f/0x2f
[  846.809122]  [<ffffffffc0539554>] drm_release+0x34/0x370 [drm]
[  846.809129]  [<ffffffff9621c467>] __fput+0xe7/0x220
[  846.809134]  [<ffffffff9621c5de>] ____fput+0xe/0x10
[  846.809140]  [<ffffffff9609b7b3>] task_work_run+0x83/0xb0
[  846.809144]  [<ffffffff96081d18>] do_exit+0x2b8/0xb20
[  846.809148]  [<ffffffff960825ff>] do_group_exit+0x3f/0xb0
[  846.809152]  [<ffffffff9608d87c>] get_signal+0x1cc/0x600
[  846.809158]  [<ffffffff9602c498>] do_signal+0x28/0x730
[  846.809164]  [<ffffffff960b1fed>] ? set_next_entity+0x4d/0x7c0
[  846.809168]  [<ffffffff960b41e1>] ? put_prev_entity+0x51/0x730
[  846.809173]  [<ffffffff960b1e25>] ? pick_next_entity+0xa5/0x160
[  846.809178]  [<ffffffff960ba074>] ? pick_next_task_fair+0x324/0x4d0
[  846.809183]  [<ffffffff96078d89>] exit_to_usermode_loop+0x59/0xa2
[  846.809188]  [<ffffffff960037fe>] syscall_return_slowpath+0x4e/0x60
[  846.809193]  [<ffffffff96828a7e>] entry_SYSCALL_64_fastpath+0xa6/0xa8
[  846.809197] INFO: task sa-solver:30975 blocked for more than 120 seconds.
[  846.809201]       Not tainted 4.8.0-rc6-ethos3 #1
[  846.809203] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  846.809206] sa-solver       D ffffa1eb15607b48     0 30975      1 0x00000006
[  846.809211]  ffffa1eb15607b48 ffffffff961f2c2c ffffa1eb3585ea00 ffffa1eb37828240
[  846.809216]  ffffa1eb15608000 ffffffffc0572004 ffffa1eb3585ea00 00000000ffffffff
[  846.809221]  ffffffffc0572008 ffffa1eb15607b60 ffffffff96824b95 ffffffffc0572000
[  846.809226] Call Trace:
[  846.809230]  [<ffffffff961f2c2c>] ? __slab_free+0x19c/0x2b0
[  846.809236]  [<ffffffff96824b95>] schedule+0x35/0x80
[  846.809241]  [<ffffffff96824e3e>] schedule_preempt_disabled+0xe/0x10
[  846.809246]  [<ffffffff968266e5>] __mutex_lock_slowpath+0x95/0x110
[  846.809252]  [<ffffffff9682677f>] mutex_lock+0x1f/0x2f
[  846.809273]  [<ffffffffc0539554>] drm_release+0x34/0x370 [drm]
[  846.809279]  [<ffffffff9621c467>] __fput+0xe7/0x220
[  846.809284]  [<ffffffff9621c5de>] ____fput+0xe/0x10
[  846.809288]  [<ffffffff9609b7b3>] task_work_run+0x83/0xb0
[  846.809292]  [<ffffffff96081d18>] do_exit+0x2b8/0xb20
[  846.809299]  [<ffffffff9659e7bd>] ? fence_wait_timeout+0x7d/0x150
[  846.809302]  [<ffffffff960825ff>] do_group_exit+0x3f/0xb0
[  846.809306]  [<ffffffff9608d87c>] get_signal+0x1cc/0x600
[  846.809311]  [<ffffffff9602c498>] do_signal+0x28/0x730
[  846.809352]  [<ffffffffc099a06e>] ? amdgpu_drm_ioctl+0x6e/0x80 [amdgpu]
[  846.809357]  [<ffffffff9622dda6>] ? do_vfs_ioctl+0x96/0x590
[  846.809362]  [<ffffffff96078d89>] exit_to_usermode_loop+0x59/0xa2
[  846.809366]  [<ffffffff960037fe>] syscall_return_slowpath+0x4e/0x60
[  846.809370]  [<ffffffff96828a7e>] entry_SYSCALL_64_fastpath+0xa6/0xa8
[  846.809375] INFO: task sa-solver:30979 blocked for more than 120 seconds.
[  846.809378]       Not tainted 4.8.0-rc6-ethos3 #1
[  846.809381] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  846.809383] sa-solver       D ffffa1eb1a3bbb48     0 30979      1 0x00000006
[  846.809387]  ffffa1eb1a3bbb48 ffffffff961f2b2b ffffa1eb36186a00 ffffa1eb1a3a6b40
[  846.809392]  ffffa1eb1a3bc000 ffffffffc0572004 ffffa1eb36186a00 00000000ffffffff
[  846.809397]  ffffffffc0572008 ffffa1eb1a3bbb60 ffffffff96824b95 ffffffffc0572000
[  846.809402] Call Trace:
[  846.809406]  [<ffffffff961f2b2b>] ? __slab_free+0x9b/0x2b0
[  846.809412]  [<ffffffff96824b95>] schedule+0x35/0x80
[  846.809417]  [<ffffffff96824e3e>] schedule_preempt_disabled+0xe/0x10
[  846.809422]  [<ffffffff968266e5>] __mutex_lock_slowpath+0x95/0x110
[  846.809428]  [<ffffffff9682677f>] mutex_lock+0x1f/0x2f
[  846.809448]  [<ffffffffc0539554>] drm_release+0x34/0x370 [drm]
[  846.809454]  [<ffffffff9621c467>] __fput+0xe7/0x220
[  846.809460]  [<ffffffff9621c5de>] ____fput+0xe/0x10
[  846.809464]  [<ffffffff9609b7b3>] task_work_run+0x83/0xb0
[  846.809468]  [<ffffffff96081d18>] do_exit+0x2b8/0xb20
[  846.809471]  [<ffffffff960825ff>] do_group_exit+0x3f/0xb0
[  846.809475]  [<ffffffff9608d87c>] get_signal+0x1cc/0x600
[  846.809480]  [<ffffffff9602c498>] do_signal+0x28/0x730
[  846.809485]  [<ffffffff960b1e25>] ? pick_next_entity+0xa5/0x160
[  846.809490]  [<ffffffff960ba074>] ? pick_next_task_fair+0x324/0x4d0
[  846.809494]  [<ffffffff960acb12>] ? sched_clock_cpu+0x72/0xa0
[  846.809498]  [<ffffffff96078d89>] exit_to_usermode_loop+0x59/0xa2
[  846.809503]  [<ffffffff960037fe>] syscall_return_slowpath+0x4e/0x60
[  846.809506]  [<ffffffff96828a7e>] entry_SYSCALL_64_fastpath+0xa6/0xa8
[  846.809510] INFO: task sa-solver:30980 blocked for more than 120 seconds.
[  846.809512]       Not tainted 4.8.0-rc6-ethos3 #1
[  846.809515] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  846.809517] sa-solver       D ffffa1eb1512faf0     0 30980      1 0x00000006
[  846.809521]  ffffa1eb1512faf0 ffffffff963f92a1 ffffa1eb361f4f80 ffffa1eb358e0050
[  846.809526]  ffffa1eb15130000 ffffa1eb358e59a0 ffffa1eb358e5968 ffffa1eb06c90000
[  846.809531]  ffffa1eb358e0058 ffffa1eb1512fb08 ffffffff96824b95 ffffa1eb06c90530
[  846.809535] Call Trace:
[  846.809542]  [<ffffffff963f92a1>] ? __kfifo_free+0x11/0x40
[  846.809547]  [<ffffffff96824b95>] schedule+0x35/0x80
[  846.809610]  [<ffffffffc0a1f9c4>] amd_sched_entity_fini+0x64/0xe0 [amdgpu]
[  846.809614]  [<ffffffff960bfba0>] ? prepare_to_wait_event+0x100/0x100
[  846.809661]  [<ffffffffc09c457e>] amdgpu_ctx_do_release+0x9e/0xd0 [amdgpu]
[  846.809704]  [<ffffffffc09c4d3e>] amdgpu_ctx_mgr_fini+0x5e/0x60 [amdgpu]
[  846.809736]  [<ffffffffc099f15f>] amdgpu_driver_postclose_kms+0x2f/0xb0 [amdgpu]
[  846.809756]  [<ffffffffc0539719>] drm_release+0x1f9/0x370 [drm]
[  846.809762]  [<ffffffff9621c467>] __fput+0xe7/0x220
[  846.809768]  [<ffffffff9621c5de>] ____fput+0xe/0x10
[  846.809772]  [<ffffffff9609b7b3>] task_work_run+0x83/0xb0
[  846.809776]  [<ffffffff96081d18>] do_exit+0x2b8/0xb20
[  846.809781]  [<ffffffff9659e7bd>] ? fence_wait_timeout+0x7d/0x150
[  846.809785]  [<ffffffff960825ff>] do_group_exit+0x3f/0xb0
[  846.809788]  [<ffffffff9608d87c>] get_signal+0x1cc/0x600
[  846.809794]  [<ffffffff9602c498>] do_signal+0x28/0x730
[  846.809825]  [<ffffffffc099a06e>] ? amdgpu_drm_ioctl+0x6e/0x80 [amdgpu]
[  846.809830]  [<ffffffff9622dda6>] ? do_vfs_ioctl+0x96/0x590
[  846.809834]  [<ffffffff96078d89>] exit_to_usermode_loop+0x59/0xa2
[  846.809839]  [<ffffffff960037fe>] syscall_return_slowpath+0x4e/0x60
[  846.809842]  [<ffffffff96828a7e>] entry_SYSCALL_64_fastpath+0xa6/0xa8