Date: Sun, 21 Oct 2012 01:17:16 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Dennis Glatting <freebsd@pki2.com> Cc: freebsd-fs@FreeBSD.org, dg17@penx.com Subject: Re: ZFS hang (system #2) Message-ID: <508322EC.4080700@FreeBSD.org> In-Reply-To: <1350765093.86715.69.camel@btw.pki2.com> References: <1350698905.86715.33.camel@btw.pki2.com> <1350711509.86715.59.camel@btw.pki2.com> <50825598.3070505@FreeBSD.org> <1350744349.88577.10.camel@btw.pki2.com> <1350765093.86715.69.camel@btw.pki2.com>
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on 20/10/2012 23:31 Dennis Glatting said the following: > The following is from a second system working on a 7TB file (started this > morning), which also hung. However, an important difference is this system's CPU > is slightly over clocked from 3.6GHz to 4.0GHz; However, prior not over clocking > made no difference -- it still hanged. > > This system has a Gigabyte GA-990FXA-UD7 board. To me this again looks like an issue with a stuck zio/bio, and not a deadlock. > bd3# /mnt/camcontrol tags da7 -v (** OS - RAID1 **) > (pass7:mps1:0:0:0): dev_openings 215 > (pass7:mps1:0:0:0): dev_active 40 > (pass7:mps1:0:0:0): devq_openings 215 > (pass7:mps1:0:0:0): devq_queued 0 > (pass7:mps1:0:0:0): held 0 > (pass7:mps1:0:0:0): mintags 2 > (pass7:mps1:0:0:0): maxtags 255 Of all the disks this one looks the most suspicious, of course. Do you have the zio/bio debug patch there and usable kgdb? -- Andriy Gapon
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