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Old 02-18-2012, 06:06 AM
Will Aoki
 
Default Bug#660295: Additional information on processes-hanging-in-D-state problem

Unmounting and re-mounting NFS mounts did not solve the problem, as rpciod
is still stuck in 'D' and stuck smbd processes are still spawning with the
same files open as before.

(I also noticed that a small number of afpd (from netatalk) processes were
also stuck in 'DL', with filehandles open on a different NFS mount.)

This left a reboot as the only way to deal with the problem. I'll continue
to monitor the situation, and if the problem persists I'll try the kernel
from squeeze-backports, if it can be installed without too much disruption.
If that persists, the system is going to be reverted to 2.6.26 from lenny.

--
William Aoki KD7YAF waoki@umnh.utah.edu 5-1924



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Old 02-24-2012, 03:47 PM
Will Aoki
 
Default Bug#660295: Additional information on processes-hanging-in-D-state problem

The problem broke the entire system overnight before I could get an
outage window in which to reboot. Besides the afpd and smbd processes
previously reported, cfagent processes had also begun to hang in 'D',
and while I didn't notice them in 'D' state along with the several
hundred other stuck processes, some component of AMANDA must have hung
because the backup process had been delayed. By this time neither
netatalk nor Samba were working properly.

The system was not sufficiently responsive for me to obtain any other
information about these other blocked processes.

--
William Aoki KD7YAF waoki@umnh.utah.edu 5-1924



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