Unkillable linux processes
Johannes Lundberg
johalun0 at gmail.com
Tue Aug 7 19:55:18 UTC 2018
Hi
I seem to have some unkillable Linux processes...
This is on my AMD Ryzen, the exact same installation on my Broadwell laptop
does not show this behavior.
At the second top output, the three remaining processes' cpu usage is
fluctuating, just as when they are running normally.
Kernel is from one or two days ago with kib's patch that I got the other
day.
root at amd:~ # top
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU
COMMAND
978 boinc 3 155 i31 129M 64M futex 3 0:52 100.74%
wcgrid_zika_vina_7.
979 boinc 3 155 i31 112M 47M futex 2 0:56 99.24%
wcgrid_oet1_vina_7.
980 boinc 2 155 i31 150M 87M CPU3 3 0:46 97.66%
wcgrid_mip1_rosetta
977 boinc 3 155 i31 109M 43M futex 1 0:56 97.39%
wcgrid_oet1_vina_7.
root at amd:~ # service boinc-client stop
Stopping boinc_client.
Waiting for PIDS: 892.
root at amd:~ # top
last pid: 1003; load averages: 3.18, 2.04,
0.94 up 0+00:05:31 20:48:06
25 processes: 1 running, 21 sleeping, 3 stopped
CPU: 0.0% user, 0.0% nice, 73.8% system, 0.0% interrupt, 26.2% idle
Mem: 157M Active, 2736K Inact, 300M Wired, 162M Buf, 2907M Free
Swap:
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU
COMMAND
977 boinc 2 20 i31 110M 44M STOP 0 3:57 100.00%
wcgrid_oet1_vina_7.
979 boinc 2 20 i31 113M 47M STOP 0 3:54 97.02%
wcgrid_oet1_vina_7.
978 boinc 2 20 i31 130M 64M STOP 0 3:50 96.12%
wcgrid_zika_vina_7.
root at amd:~ # procstat -ak | grep wcgrid
977 100162 wcgrid_oet1_vina_7. - mi_switch
thread_suspend_switch thread_single exit1 linux_exit_group ia32_syscall
int0x80_syscall_common
977 100172 wcgrid_oet1_vina_7. - witness_checkorder
__mtx_lock_flags linux_sys_futex ia32_syscall int0x80_syscall_common
978 100163 wcgrid_zika_vina_7. - mi_switch
thread_suspend_switch thread_single exit1 linux_exit_group ia32_syscall
int0x80_syscall_common
978 100174 wcgrid_zika_vina_7. - __mtx_lock_flags
futex_put linux_sys_futex ia32_syscall int0x80_syscall_common
979 100132 wcgrid_oet1_vina_7. - mi_switch
thread_suspend_switch thread_single exit1 linux_exit_group ia32_syscall
int0x80_syscall_common
979 100171 wcgrid_oet1_vina_7. - linux_sys_futex
ia32_syscall int0x80_syscall_common
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