On Wed, Jul 08, 2020 at 09:50:49AM +0300, Martin Zaharinov wrote: > Add Greg , Florian, Eric to this bug > > > On 7 Jul 2020, at 22:54, Martin Zaharinov <micro...@gmail.com> wrote: > > > > And this is log from /sys/kernel/debug/tracing/trace > > > > > > # entries-in-buffer/entries-written: 32410/32410 #P:64 > > # > > # _-----=> irqs-off > > # / _----=> need-resched > > # | / _---=> hardirq/softirq > > # || / _--=> preempt-depth > > # ||| / delay > > # TASK-PID CPU# |||| TIMESTAMP FUNCTION > > # | | | |||| | | > > <...>-57259 [005] .... 29619.680698: workqueue_execute_start: > > work struct 00000000ef22e4b8: function gc_worker [nf_conntrack] > > <...>-57259 [005] .... 29623.811407: workqueue_execute_end: work > > struct 00000000ef22e4b8: function gc_worker [nf_conntrack] > > <...>-57259 [005] .... 29623.811410: workqueue_execute_start: > > work struct 0000000000aeec55: function fb_flashcursor > > <...>-57259 [005] .... 29623.811421: workqueue_execute_end: work > > struct 0000000000aeec55: function fb_flashcursor > > <...>-57259 [005] .... 29623.811422: workqueue_execute_start: > > work struct 00000000a6d382bb: function vmstat_update > > <...>-57259 [005] .... 29623.811435: workqueue_execute_end: work > > struct 00000000a6d382bb: function vmstat_update > > > >> On 7 Jul 2020, at 22:44, Martin Zaharinov <micro...@gmail.com> wrote: > >> > >> the problem is hear with kernel 5.7.7 > >> > >> last work kernel without this problem is 5.6.7 > >> > >> hear is more info: > >> > >> cat /proc/57259/stack > >> root@megacableamarilis:~# cat /proc/57259/stack > >> [<0>] gc_worker+0x1be/0x380 [nf_conntrack] > >> [<0>] process_one_work+0x1bc/0x3b0 > >> [<0>] worker_thread+0x4d/0x460 > >> [<0>] kthread+0x10d/0x130 > >> [<0>] ret_from_fork+0x1f/0x30 > >> > >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > >> 57259 root 28 0 0 0 0 R > >> 69.8 0.0 82:42.14 kworker/5:2+events_power_efficient > >> > >> 32 root 21 0 0 0 0 R 31.0 0.0 87:06.33 > >> ksoftirqd/4 > >> > >> > >> Please help to fix this problem > >> > >>> On 22 Apr 2020, at 15:55, Martin Zaharinov <micro...@gmail.com> wrote: > >>> > >>> Hello Qian and Greg > >>> With latest 5.6.x kernel have problem with events_power_efficient 28488 > >>> root 28 0 0 0 0 R 95.5 0.0 101:38.19 > >>> kworker/2:1+events_power_efficient Process start to load machine after > >>> 3-4 hour and load not stop only reboot machine remove process . Server > >>> runing on AMD EPIC CPU 2x 7301 32Gb Ram Have 2 x 10G card Intel when > >>> machine load over 1G traffic machine locked and only restart fix problem > >>> to next load . After move traffic and server stop load process still hear > >>> and load server ? > >>> And after reboot process move to other core .
Have you used 'git bisect' to try to find the offending commit? Without that, it's going to be hard to help you out here. thanks, greg k-h
