ETOOMANYREFS related errors
Hi,
I'm starting to see, on a pretty standard Debian Jessie installation, some error messages that are apparently related to the ETOOMANYREFS errno.
Firstly, the mail log shows this: dovecot: pop3-login: Error: fd_send(pop3, 18) failed: Too many references: cannot splice
And then the login process fails: dovecot: pop3-login: Internal login failure (pid=34388 id=1) (internal failure, 1 successful auths): user=<username>, method=PLAIN, rip=rip, lip=lip, session=<session>
Is this something that Dovecot should be able to handle, or is it strictly Debian/libc/MySillyMistake related?
#uname -a Linux server 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17) x86_64 GNU/Linux
#dovecot --version 2.2.13
#dpkg -l | grep -E 'dovecot-core|libc6|linux-image' ii dovecot-core 1:2.2.13-12~deb8u1 amd64 ii libc6:amd64 2.19-18+deb8u3 amd64 ii libc6-i386 2.19-18+deb8u3 amd64 ii linux-image-3.16.0-4-amd64 3.16.7-ckt20-1+deb8u3 amd64
Best Regards, Luis
On 11 Mar 2016, at 03:48, Luis Ugalde <forondarena@gmail.com> wrote:
Apparently because Linux thinks the same fd has been passed around recursively too many times: http://lkml.iu.edu/hypermail/linux/kernel/1101.0/01917.html
But Dovecot doesn't pass it recursively. It's only passed once from pop3-login to pop3 process.
I wonder if there's a new kernel change that started detecting the recursion wrong.
El vie., 11 mar. 2016 a las 2:08, Timo Sirainen (<tss@iki.fi>) escribió:
Yes, It's started to happen with the latest kernels from the Stable branch. This is the latest I have installed: 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17) x86_64
Older Debian kernels are not showing up anything. This one, for example: 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u6 (2015-11-09) x86_64
Regards.
participants (2)
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Luis Ugalde
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Timo Sirainen