Re: why would I be seeing kswapd0 using so much CPU?

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On Sat, Oct 13, 2012 at 9:50 PM, Mateusz Marzantowicz
<mmarzantowicz@xxxxxxxxxxx> wrote:
> On 13.10.2012 17:30, Kevin Martin wrote:
>> I'm seeing this:
>>
>> # top
>>
>> top - 10:28:30 up 23:45,  9 users,  load average: 0.75, 0.83, 0.98
>> Tasks: 221 total,   2 running, 219 sleeping,   0 stopped,   0 zombie
>> %Cpu(s):  1.0 us, 27.5 sy,  0.0 ni, 69.9 id,  0.8 wa,  0.6 hi,  0.2 si,  0.0 st
>> KiB Mem:   3952540 total,  2834232 used,  1118308 free,     3024 buffers
>> KiB Swap:  4095996 total,   332780 used,  3763216 free,   163712 cached
>>
>>   PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND
>>
>>    41 root      20   0     0    0    0 R  98.0  0.0 262:56.14 kswapd0
>>
>> I'm not sure why this would be happening since I'm not using all of my memory and the swap used is almost nothing.  It's eating an
>> entire CPU!
>>
>> Any thoughts?
>>
>> Thanks.
>>
>> Kevin
>
> Yours load average looks fine. If this 98% CPU time consumption lasts
> for short time you have nothing to worry about.

Recently I ran into similar problem: my X session became frozen, but I
could login with ssh from another computer. I saw the same thing:
kswapd0 kept using almost 100% CPU.
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