Dear All,
I use AMD GPU wx5100 for rendering and sometimes some processes enter the D
state ,
I checked the dmesg log and the first error log show it is waiting for the
fence:
2019-07-02T06:46:12.144409+08:00|err|kernel[-]|[1748923.714105] INFO: task
Binder:2577_7:147603 blocked for more than 120 seconds.
2019-07-02T06:46:12.144434+08:00|err|kernel[-]|[1748923.714107] Tainted: P OE
4.19.36-1.2.159.aarch64 #1
2019-07-02T06:46:12.144460+08:00|err|kernel[-]|[1748923.714108] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
2019-07-02T06:46:12.144484+08:00|info|kernel[-]|[1748923.714110] Binder:2577_7
D 0 147603 240764 0x0040002d
2019-07-02T06:46:12.144508+08:00|warning|kernel[-]|[1748923.714114] Call trace:
2019-07-02T06:46:12.144531+08:00|warning|kernel[-]|[1748923.714115]
__switch_to+0x94/0xe8
2019-07-02T06:46:12.144568+08:00|warning|kernel[-]|[1748923.714119]
__schedule+0x28c/0x940
2019-07-02T06:46:12.144593+08:00|warning|kernel[-]|[1748923.714120]
schedule+0x2c/0x88
2019-07-02T06:46:12.144616+08:00|warning|kernel[-]|[1748923.714122]
schedule_timeout+0x22c/0x468
2019-07-02T06:46:12.144639+08:00|warning|kernel[-]|[1748923.714126]
dma_fence_wait_any_timeout+0x234/0x2d0
2019-07-02T06:46:12.144663+08:00|warning|kernel[-]|[1748923.714201]
amdgpu_sa_bo_new+0x3b0/0x548 [amdgpu]
2019-07-02T06:46:12.144687+08:00|warning|kernel[-]|[1748923.714263]
amdgpu_ib_get+0x60/0xc8 [amdgpu]
2019-07-02T06:46:12.144711+08:00|warning|kernel[-]|[1748923.714329]
amdgpu_job_alloc_with_ib+0x70/0xb0 [amdgpu]
2019-07-02T06:46:12.144735+08:00|warning|kernel[-]|[1748923.714390]
amdgpu_vm_bo_update_mapping+0x2c0/0x3b0 [amdgpu]
2019-07-02T06:46:12.144763+08:00|warning|kernel[-]|[1748923.714453]
amdgpu_vm_clear_freed+0xd8/0x1c8 [amdgpu]
2019-07-02T06:46:12.144787+08:00|warning|kernel[-]|[1748923.714513]
amdgpu_gem_object_close+0x178/0x1d0 [amdgpu]
2019-07-02T06:46:12.144810+08:00|warning|kernel[-]|[1748923.714538]
drm_gem_object_release_handle+0x3c/0x98 [drm]
2019-07-02T06:46:12.144834+08:00|warning|kernel[-]|[1748923.714542]
idr_for_each+0x70/0x128
2019-07-02T06:46:12.144908+08:00|warning|kernel[-]|[1748923.714610]
drm_release+0xb0/0x138 [drm]
2019-07-02T06:46:12.144931+08:00|warning|kernel[-]|[1748923.714612]
__fput+0xac/0x218
2019-07-02T06:46:12.144955+08:00|warning|kernel[-]|[1748923.714614]
____fput+0x20/0x30
2019-07-02T06:46:12.144978+08:00|warning|kernel[-]|[1748923.714617]
task_work_run+0xc0/0xf8
2019-07-02T06:46:12.145006+08:00|warning|kernel[-]|[1748923.714619]
do_exit+0x300/0x5b0
2019-07-02T06:46:12.145030+08:00|warning|kernel[-]|[1748923.714621]
do_group_exit+0x3c/0xe0
2019-07-02T06:46:12.145054+08:00|warning|kernel[-]|[1748923.714623]
get_signal+0x12c/0x6e0
2019-07-02T06:46:12.145077+08:00|warning|kernel[-]|[1748923.714625]
do_signal+0x180/0x288
2019-07-02T06:46:12.145101+08:00|warning|kernel[-]|[1748923.714628]
do_notify_resume+0x100/0x188
2019-07-02T06:46:12.145124+08:00|warning|kernel[-]|[1748923.714630]
work_pending+0x8/0x10
Before this log , there is no any error log like "gfx timeout" or other, so ,
maybe it is not a GPU hang?
My software's version:
Ubuntu18.04.1
Mesa:18.3.4
LLVM:7.0
Kernel:4.19.36
Can you explain this , or how to debug this problem?
Thanks!
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