Date: Fri, 10 Oct 2014 01:27:27 +0000 From: Steve Wills <swills@freebsd.org> To: Andriy Gapon <avg@freebsd.org> Cc: current@freebsd.org, fs@freebsd.org Subject: Re: zfs hang Message-ID: <20141010012724.GD79158@mouf.net> In-Reply-To: <5434D1CE.8010801@FreeBSD.org> References: <20141008004045.GA24762__48659.9047123038$1412728878$gmane$org@mouf.net> <5434D1CE.8010801@FreeBSD.org>
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On Wed, Oct 08, 2014 at 08:55:26AM +0300, Andriy Gapon wrote: > On 08/10/2014 03:40, Steve Wills wrote: > > Hi, > > > > Not sure which thread this belongs to, but I have a zfs hang on one of my boxes > > running r272152. Running procstat -kka looks like: > > > > http://pastebin.com/szZZP8Tf > > > > My zpool commands seem to be hung in spa_errlog_lock while others are hung in > > zfs_lookup. Suggestions? > > There are several threads in zio_wait. If this is their permanent state then > there is some problem with I/O somewhere below ZFS. Thanks for the feedback. It seems one of my disks is dying, I rebooted and it came up OK, but today I got: panic: I/O to pool 'rpool' appears to be hung on vdev guid ..... at '/dev/ada0p3' I have screenshots and backtrace if anyone is interested. Dying drives shouldn't cause panic, right? Steve
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