Fwd: Autofs: spurious (?) log messages and zombies from automountd
Hans Ottevanger
hans at beastielabs.net
Fri Sep 26 06:40:22 UTC 2014
Reposting here (with typos in subject corrected) after no response from
stable@ for almost two days.
Regards,
Hans
-------- Forwarded Message --------
Subject: Aitofs: spurious (?) jog messages and zombies from automountd
Date: Wed, 24 Sep 2014 09:10:05 +0200
From: Hans Ottevanger <hans at beastielabs.net>
To: freebsd-stable at FreeBSD.org
Hi,
When accessing a directory for the first time on /net, automounted using
the new autofs, I reproducibly get error messages in the log.
I have exported a single directory (read/write) from my test server:
$ showmount -e soekris
Exports list on soekris:
/home
My client runs 10-STABLE, also known as 10.1-BETA2 these days, updated
to r272021. The kernel config is GENERIC minus devices that I do not
have, with AUTOFS added.
When accessing the server for the first time using:
ls /net/soekris/home/hans
I get the expected directory listing but immediately also see the
following in /var/log/messages:
Sep 24 07:39:09 beastie automountd[1554]: child process 2096 terminated
with exit status 1
Sep 24 07:39:09 beastie automountd[1554]: child process 2101 terminated
with exit status 1
Additionally, a zombie process keep hanging forever:
$ pstree 1554
-+= 01554 root /usr/sbin/automountd
\--- 02106 root <defunct>
When I wait until the directory is autounmounted and retry the access,
the zombie disappears (apparently finally waited for) and I get two
others in return:
$ pstree 1554
-+= 01554 root /usr/sbin/automountd
|--- 02658 root <defunct>
\--- 02663 root <defunct>
and a few extra log messages:
Sep 24 08:52:17 beastie automountd[1554]: child process 2106 terminated
with exit status 1
Sep 24 08:52:17 beastie automountd[1554]: child process 2653 terminated
with exit status 1
Is anyone else seeing this?
Do I miss something?
Is this expected behavior?
Kind regards,
Hans
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