Date: Fri, 26 Sep 2014 11:00:53 +0200 From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= <trasz@FreeBSD.org> To: Hans Ottevanger <hans@beastielabs.net> Cc: freebsd-hackers@freebsd.org Subject: Re: Fwd: Autofs: spurious (?) log messages and zombies from automountd Message-ID: <20140926090053.GA10644@brick.home> In-Reply-To: <54250A50.1000607@beastielabs.net> References: <54226E4D.1040704@beastielabs.net> <54250A50.1000607@beastielabs.net>
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On 0926T0840, Hans Ottevanger wrote: > 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@beastielabs.net> > To: freebsd-stable@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 There are no log messages preceding this? > 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? Not quite; I'll try to reproduce it.
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