watchdog/0 consumes 232% cpu usage
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
watchdog (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
Hi Team,
I have a server running with "Linux 3.2.0-4-amd64 #1 SMP Debian 3.2.57-3+deb7u2 x86_64 GNU/Linux
Some of the server suddenly became slow and when I saw with the top command I was able to
see the watchdog is using huge %CPU Please see the below top command output.
top - 10:52:50 up 1:06, 1 user, load average: 19.95, 19.87, 18.90
Tasks: 106 total, 19 running, 87 sleeping, 0 stopped, 0 zombie
%Cpu(s): 8.9 us, 48.8 sy, 0.0 ni, 41.2 id, 0.1 wa, 0.0 hi, 1.1 si,
0.0 st
KiB Mem: 8116188 total, 610952 used, 7505236 free, 25112 buffers
KiB Swap: 0 total, 0 used, 0 free, 264508 cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
7 root rt 0 0 0 0 R *242.1* 0.0 29:07.39 *watchdog* /0
12 root rt 0 0 0 0 R *240.1* 0.0 28:30.02 *watchdog* /1
16 root rt 0 0 0 0 R 238.2 0.0 28:03.12 watchdog/2
24 root rt 0 0 0 0 R 233.1 0.0 27:05.23 watchdog/4
860 root -2 0 0 0 0 R * 90.3* 0.0 9:08.23 * power_saving/4*
3762 snort 2 -18 482m 158m 4512 R 69.8 2.0 20:49.22 snort
874 root -2 0 0 0 0 R *67.4* 0.0 6:46.99*
28 root rt 0 0 0 0 S 36.5 0.0 29:47.57 watchdog/5
728 root -2 0 0 0 0 R 34.8 0.0 8:49.47 power_saving/1
36 root rt 0 0 0 0 R 27.5 0.0 32:54.00 watchdog/7
4878 root 20 0 23184 1592 1124 R 1.5 0.0 0:00.31 top
We are strugling with the issue Kindly help me on this.
Thanks and Regards,
Ramesh R