<br><br>On Tuesday, December 5, 2017, <<a href="mailto:valdis.kletnieks@vt.edu">valdis.kletnieks@vt.edu</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Tue, 05 Dec 2017 12:03:56 +0800, Yun-Chih Chen said:<br>
<br>
> > 2) cat /proc/NNN/stack will give you a hint where the syscall is wedged.<br>
><br>
> <a href="http://ix.io/CMN" target="_blank">http://ix.io/CMN</a><br>
> It seems that they all have something to do with autofs or filesystem.<br>
<br>
Fortunately, you've hit an actually fixable problem that you may not need<br>
a reboot - you just have a lot of processes waiting for a remote NFS file<br>
system to respond. Go find out where the mount is from, and why it's<br>
not responding. Fixing that will likely clean up your issue.<br>
</blockquote><div><br></div><div>If it is indeed coming from nfs mount, check if it is mounted in synchronous mode, and try to switch to async. See if it made any differences</div><div><br></div><div>Regards,</div><div><br></div><div>Mulyadi </div><br><br>-- <br>regards,<br><br>Mulyadi Santosa<br>Freelance Linux trainer and consultant<br><br>blog: <a href="http://the-hydra.blogspot.com">the-hydra.blogspot.com</a><br>training: <a href="http://mulyaditraining.blogspot.com">mulyaditraining.blogspot.com</a><br>