Steven Alligood steve at bluehost.com
Wed Oct 1 13:40:22 MDT 2008

Dr. Scott S. Jones wrote:
> +++ Hans Fugal [01/10/08 11:27 -0600]:
>> FWIW I've also seen situations where processes get stuck in everlasting
>> io wait for inexplicable reasons and absolutely will not go away without
>> a reboot. I've had systems with load upwards of 70 for days or (dare I
>> say) months but which were completely responsive (the *real* load was
>> about 1 or less). Just couldn't get rid of those pesky processes without
>> rebooting, which I didn't want to do.
> I am glad to know it happens occasionally to you too, Hans. Now I don't feel
> so bad if I have to reboot. 

99.9% of the time when you get unkillable procs, it is due to waiting in 
IO (Disk state);it's either a race condition, a kernel bug, or possibly 
a filesystem bug.
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