Date: Wed, 25 Feb 2015 09:24:43 -0800 From: John-Mark Gurney <jmg@funkthat.com> To: Willem Jan Withagen <wjw@digiware.nl> Cc: "stable@freebsd.org" <stable@freebsd.org> Subject: Re: Unexpected crash Message-ID: <20150225172443.GB46794@funkthat.com> In-Reply-To: <54ED8DB5.3010501@digiware.nl> References: <54EB1528.2050409@digiware.nl> <20150225004346.GV46794@funkthat.com> <54ED8DB5.3010501@digiware.nl>
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Willem Jan Withagen wrote this message on Wed, Feb 25, 2015 at 09:54 +0100: > On 25-2-2015 01:43, John-Mark Gurney wrote: > > Willem Jan Withagen wrote this message on Mon, Feb 23, 2015 at 12:55 +0100: > >> Came home last night to find out that my ZFS fileserver has rebooted.... > >> > >> Dmesg is loaded with sonewconn messages.... > >> And after a while the system thinks it is enough... > >> --- > >> Panic String: deadlkres: possible deadlock detected for > >> 0xfffff800133f9000, blocked for 1800789 ticks > >> ---- > > > > [...] > > > >> FreeBSD 10.1-STABLE #101 r276583: Sat Jan 3 06:51:10 CET 2015 > >> root@zfs.digiware.nl:/home/obj/amd64/usr/srcs/src10/src/sys/ZFS amd64 > >> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512 > > > > Upgrade your kernel: > > https://svnweb.freebsd.org/base?view=revision&revision=278800 > > > > This change will probably fix your panic... > > Thanx for the info. I upgraded after last Monday when I saw the crash: > 10.1-STABLE FreeBSD 10.1-STABLE #152 r279218: Tue Feb 24 01:07:14 > So that is well beyond you revision. I have not seen the messages after > that. Good to hear... > Just out of curiosity: > Is this in the aftermath of the big debate about the callout restructuring? Kinda... HPS posted a patch to fix the bug, but then rrs investigated it and found this simplier fix which is now in the tree... I believe there is still ongoing discussion moving forward w/ other aspects of it.. You should read the email archives for the full story.. I am leaving things out, I didn't follow the thread very closely... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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