On Fri, 16 Apr 2010, Stan Hoeppner wrote:
exp...@hope.cz put forth on 4/16/2010 6:17 AM:
Stan,
Thank you for your reply.
It is my own daemon( I wrote it by myself) and do not know why it changes the
STAT.
I found out that STAT field is
D for Uninterruptible sleep (usually IO)
R for Running or runnable (on run queue)
S for Interruptible sleep (waiting for an event to complete)
but what does Uninterruptible sleep means? And what is it caused by?
Can anyone explain that problem?
(When STAT is D for the daemon , the daemon does not seem to run )
Sounds like the daemon is waiting for an IO which never completes. Thus it
never wakes.
And also can't be killed without a reboot.
-ishwar
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