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Since kernel 5.10 I am struggling with strange issue.
Reproduction steps:
Hibernate
Resume
After random time xorg eats 100% cpu and is unresponsive.
After ssh to machine checked lock semaphores, xorg logs,
system is setup to work on nvidia only due to external monitor.
dmegs shown somethings suspicions:
[19290.721032] INFO: task QSGRenderThread:1028 blocked for more than 983 seconds.
[19290.721034] Tainted: P OE 5.10.31-1-lts #1
[19290.721034] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[19290.721035] task:QSGRenderThread state:D stack: 0 pid: 1028 ppid: 1 flags:0x00000080
[19290.721037] Call Trace:
[19290.721058] __schedule+0x292/0x7f0
[19290.721059] schedule+0x46/0xb0
[19290.721060] schedule_timeout+0x103/0x140
[19290.721061] __down+0x8a/0xd0
[19290.721076] down+0x3b/0x50
[19290.721212] os_acquire_semaphore+0x31/0x40 [nvidia]
[19290.721372] _nv035034rm+0xc/0x30 [nvidia]
[19290.721532] ? _nv035024rm+0x31/0x40 [nvidia]
[19290.721655] ? _nv035843rm+0x58/0x1a0 [nvidia]
[19290.721785] ? _nv035780rm+0x21/0xd0 [nvidia]
[19290.721909] ? _nv000713rm+0x199/0x850 [nvidia]
[19290.722031] ? rm_ioctl+0x54/0xb0 [nvidia]
[19290.722153] ? nvidia_ioctl+0x67e/0x890 [nvidia]
[19290.722242] ? nvidia_frontend_unlocked_ioctl+0x37/0x50 [nvidia]
[19290.722244] ? __x64_sys_ioctl+0x83/0xb0
[19290.722245] ? do_syscall_64+0x33/0x40
[19290.722247] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9[19413.601837] INFO: task CPMMListener:2639 blocked for more than 122 seconds.
[19413.601838] Tainted: P OE 5.10.31-1-lts #1
[19413.601838] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[19413.601839] task:CPMMListener state:D stack: 0 pid: 2639 ppid: 2595 flags:0x00004086
[19413.601840] Call Trace:
[19413.601841] __schedule+0x292/0x7f0
[19413.601842] schedule+0x46/0xb0
[19413.601843] schedule_timeout+0x103/0x140
[19413.601844] __down+0x8a/0xd0
[19413.601845] down+0x3b/0x50
[19413.601936] os_acquire_semaphore+0x31/0x40 [nvidia]
[19413.602082] _nv035034rm+0xc/0x30 [nvidia]
[19413.602227] ? _nv035026rm+0xc/0x20 [nvidia]
[19413.602339] ? _nv035843rm+0x155/0x1a0 [nvidia]
[19413.602461] ? rm_cleanup_file_private+0x74/0x140 [nvidia]
[19413.602550] ? nvidia_close_callback+0x37/0x1d0 [nvidia]
[19413.602639] ? nvidia_close+0xe0/0x300 [nvidia]
[19413.602747] ? nvidia_frontend_close+0x2b/0x50 [nvidia]
[19413.602748] ? __fput+0x8e/0x230
[19413.602750] ? task_work_run+0x65/0xa0
[19413.602751] ? do_exit+0x372/0xa30
[19413.602753] ? do_group_exit+0x33/0xa0
[19413.602754] ? get_signal+0x15c/0x8a0
[19413.602755] ? poll_select_finish+0x1ef/0x270
[19413.602757] ? arch_do_signal+0x3d/0x720
[19413.602758] ? do_pselect.constprop.0+0x102/0x190
[19413.602760] ? exit_to_user_mode_prepare+0xb4/0x120
[19413.602761] ? syscall_exit_to_user_mode+0x28/0x140
[19413.602762] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9❯ neofetch
-` lukasz@L340-Lukasz
.o+` ------------------
`ooo/ OS: Arch Linux x86_64
`+oooo: Host: 81LK IdeaPad L340-15IRH Gaming
`+oooooo: Kernel: 5.10.31-1-lts
-+oooooo+: Uptime: 22 hours, 26 mins
`/:-:++oooo+: Packages: 1056 (pacman)
`/++++/+++++++: Shell: bash 5.1.4
`/++++++++++++++: Resolution: 3840x1600
`/+++ooooooooooooo/` Terminal: /dev/pts/6
./ooosssso++osssssso+` CPU: Intel i7-9750H (12) @ 2.600GHz
.oossssso-````/ossssss+` GPU: Intel UHD Graphics 630
-osssssso. :ssssssso. GPU: NVIDIA GeForce GTX 1050 3 GB Max-Q
:osssssss/ osssso+++. Memory: 5586MiB / 15884MiB
/ossssssss/ +ssssooo/-
`/ossssso+/:- -:/+osssso+-
`+sso+:-` `.-/+oso:
`++:. `-/+/
.` `/Last edited by str0gg (2021-04-23 10:46:55)
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