CIFS share hangs on Debian

From	Dale Harris <rodmur@gmail.com>
Newsgroups	linux.debian.user
Subject	CIFS share hangs on Debian
Date	2020-12-04 14:00 +0100
Message-ID	<BiiQO-5m3-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi,

I'm seeing some issues CIFS mounts on systems running Debian 9 and 10.  The
Debian 9 system seems to have more issues, I suspect there is a kernel bug.
But when trying to write a file to a CIFS mount, I occasionally see errors
like:

[Thu Dec  3 11:08:32 2020] CIFS VFS: Server XXXXX has not responded in 120
seconds. Reconnecting...
[Thu Dec  3 11:08:32 2020] CIFS VFS: Free previous auth_key.response =
ffff8be599d06800
[Thu Dec  3 16:33:47 2020] CIFS VFS: Close unmatched open
[Thu Dec  3 20:35:31 2020] CIFS VFS: Close unmatched open

The Debian 10 systems see the same reconnection and "Free previous
auth_key.response" messages but don't see the "Close unmatched open"
messages.

I'm seeing some suggestions these issues are related to some potential
kernel bugs, but I'm not seeing any specific fixes for Debian. Do these
errors ring any bells with anyone?

-- 
Dale Harris
rodmur@gmail.com
/.-)

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Thread

CIFS share hangs on Debian Dale Harris <rodmur@gmail.com> - 2020-12-04 14:00 +0100
  Re: CIFS share hangs on Debian Roberto C. Sánchez <roberto@debian.org> - 2020-12-04 16:10 +0100
    Re: CIFS share hangs on Debian Dale Harris <rodmur@gmail.com> - 2020-12-04 19:30 +0100

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