[gentoo-user] CIFS mounts started misbehaving

[Grant Edwards]

For the past 10-15, I've been mounting a handfull of directories that
reside on a Windows server, and it's always worked find.

About a week ago, they started acting oddly.  They all mount fine, and
work as usual as long as you keep using them.  AFAICT, if they sit
idle for "a while" (tens of minutes, maybe an hour), they freeze up.

After that, trying to access them hangs, and then eventually reports
"host is down".  Except the host _isn't_ down.  If I do an
unmount/mount it works instantly without complaint and the mounted
directory is fine again -- for a while.

I don't think I've changed anything relevent on my Gentoo box (the
CIFS client), and it's probably something on the Windows end of
things.  

But, I was hoping somebody might have seen something similar and knows
what to do about it.

Here's a typical line in /etc/fstab:

\\winhost\projects  /winhost/projects cifs netbiosname=<usrname>,workgroup=<wgname>,username=<usrname>,password=<passwd>,uid=<usrname>,gid=users,noserverino,dir_mode=0777,file_mode=0777,noauto 0 0

<usrname> is the username (same on Gentoo and Windows)
<wgname>  is the Windows workgroup name 
<passwd>  is the Windows server password for <usrname>

Any ideas?

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