Date: Wed, 3 Nov 2010 02:12:42 GMT From: Mihai-Catalin Salgau <csalgau-br@bitdefender.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/151905: [zfs] page fault under load in /sbin/zfs Message-ID: <201011030212.oA32CgBO087847@www.freebsd.org> Resent-Message-ID: <201011030220.oA32KA6S091058@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 151905 >Category: kern >Synopsis: [zfs] page fault under load in /sbin/zfs >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Nov 03 02:20:10 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Mihai-Catalin Salgau >Release: 8.1-STABLE >Organization: >Environment: FreeBSD host.local 8.1-STABLE FreeBSD 8.1-STABLE #0: Mon Nov 1 02:46:57 EET 2010 root@host.local:/usr/obj/usr/src/sys/GENERIC amd64 >Description: System load: Around 20 zfs clone/destroy operations every couple of minutes and about 200 permanent containers. Data served from within clones to scripts. During this time system load spikes to 12.0+, runs around 8.0. System has 8 cores, 16 GB RAM, of which vm.kmem_size="10G", vfs.zfs.arc_max="8G". Screencap of panic: http://img64.imageshack.us/img64/2903/021110zfscrash.jpg Scrubs found no problems. >How-To-Repeat: Unknown. Usually load dependant. Did happen one when working with only one core hammered to 100%. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201011030212.oA32CgBO087847>