Re: Something in r291926 (and earlier) causes reboots during periodic daily (14 jails on system)

2015-12-09 Thread Alexander Leidinger
On Wed, 09 Dec 2015 09:38:07 +0100
Miroslav Lachman <000.f...@quip.cz> wrote:

> Alexander Leidinger wrote on 12/09/2015 09:00:

> > Does this ring a bell for someone or any ideas before I try to hunt
> > this down?
> 
> The same problem was reported yesterday on Stable
> 
> Periodic jobs triggering panics in 10.1 and 10.2
> https://lists.freebsd.org/pipermail/freebsd-stable/2015-December/083807.html
> 
> Also ZFS with jails.

The above mail has a backtrace involving ZFS.

I'm running the periodic scripts serially now, 8 out of 14 already
finished without issues. Smells like a concurrency issue. I would
assume it's something introduced between 5 and 1 month ago and MFCed
back to 10.

Does this ring a bell for someone on fs@?

Bye,
Alexander.

-- 
http://www.Leidinger.net alexan...@leidinger.net: PGP 0xC773696B3BAC17DC
http://www.FreeBSD.orgnetch...@freebsd.org  : PGP 0xC773696B3BAC17DC
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Re: Something in r291926 (and earlier) causes reboots during periodic daily (14 jails on system)

2015-12-09 Thread Miroslav Lachman

Alexander Leidinger wrote on 12/09/2015 09:00:

Hi,

with r291381 a system with 14 jails survives about 1-2 days.
with r291926 this system survives 1 day.

In both cases it reboots during periodic daily (the jails run periodic
too, at the usual time). This is a ZFS-only (+nullfs) system

There is no coredump. Watchdogd is currently not enabled on this
system. In the logs I don't find any traces.

The system is not really low on resources:
last pid: 18031;  load averages:  0.25,  0.23,  0.80  up 0+03:59:05  
08:57:12
189 processes: 1 running, 188 sleeping
CPU:  0.3% user,  0.0% nice,  0.4% system,  0.1% interrupt, 99.1% idle
Mem: 579M Active, 709M Inact, 2311M Wired, 8253M Free
ARC: 1460M Total, 418M MFU, 868M MRU, 1946K Anon, 17M Header, 155M Other
Swap: 4096M Total, 4096M Free

Does this ring a bell for someone or any ideas before I try to hunt
this down?


The same problem was reported yesterday on Stable

Periodic jobs triggering panics in 10.1 and 10.2
https://lists.freebsd.org/pipermail/freebsd-stable/2015-December/083807.html

Also ZFS with jails.

Miroslav Lachman

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