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 . > > Best Regards, > Martin