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Date:      Wed, 9 Dec 2015 10:51:44 +0100
From:      Alexander Leidinger <Alexander@Leidinger.net>
To:        Miroslav Lachman <000.fbsd@quip.cz>
Cc:        current@FreeBSD.org, stable@FreeBSD.org, fs@freebsd.org
Subject:   Re: Something in r291926 (and earlier) causes reboots during periodic daily (14 jails on system)
Message-ID:  <20151209105144.000035be@Leidinger.net>
In-Reply-To: <5667E86F.3050906@quip.cz>
References:  <20151209090049.000003db@Leidinger.net> <5667E86F.3050906@quip.cz>

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On Wed, 09 Dec 2015 09:38:07 +0100
Miroslav Lachman <000.fbsd@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 Alexander@Leidinger.net: PGP 0xC773696B3BAC17DC
http://www.FreeBSD.org    netchild@FreeBSD.org  : PGP 0xC773696B3BAC17DC



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