From owner-freebsd-current@FreeBSD.ORG Sat May 30 15:54:43 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C546410657B9; Sat, 30 May 2009 15:54:43 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [192.147.25.65]) by mx1.freebsd.org (Postfix) with ESMTP id 97CB58FC08; Sat, 30 May 2009 15:54:43 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from 76-205-169-61.lightspeed.austtx.sbcglobal.net ([76.205.169.61]:63471 helo=borg) by thebighonker.lerctr.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69 (FreeBSD)) (envelope-from ) id 1MAQtN-0005SG-Nf; Sat, 30 May 2009 10:54:43 -0500 Date: Sat, 30 May 2009 10:54:26 -0500 (CDT) From: Larry Rosenman Sender: ler@borg To: Kip Macy In-Reply-To: Message-ID: References: <454b8cc37c60ab7af2663ba70ddbfd59.squirrel@webmail.lerctr.org> <5a9a181a12e9e4ef864d23ae063f7277.squirrel@webmail.lerctr.org> <3c1674c90905280055h740bce23p33b18fefacf31196@mail.gmail.com> <3c1674c90905291129h7bd6fb6ai6ab772e3aed624d@mail.gmail.com> <3c1674c90905291209k3f5e90f9g8743a27b572010cc@mail.gmail.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: -2.3 (--) X-LERCTR-Spam-Score: -2.3 (--) X-Spam-Report: SpamScore (-2.3/5.0) ALL_TRUSTED=-1.8, BAYES_00=-2.599, SARE_SUB_OBFU_OTHER=0.135, TVD_RCVD_IP=1.931 X-LERCTR-Spam-Report: SpamScore (-2.3/5.0) ALL_TRUSTED=-1.8, BAYES_00=-2.599, SARE_SUB_OBFU_OTHER=0.135, TVD_RCVD_IP=1.931 DomainKey-Status: no signature Cc: freebsd-current@freebsd.org Subject: Re: ZFS Crash X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 May 2009 15:54:44 -0000 On Sat, 30 May 2009, Larry Rosenman wrote: > On Fri, 29 May 2009, Kip Macy wrote: > >>> Is there anything else I can supply? Is the minute-by-minute >>> vmstat info useful? Should I keep running it? >> >> Not until I can test out changes that bound ZFS memory consumption >> when doing compression. >> >>> I'm willing to be a guinea pig for code changes. >> >> Cool. I'll send you a patch when I get something. > I had a 2nd crash. I've added the textdump and crashstats files to > http://www.lerctr.org/~ler/ZFS_CRASH > > This was also with a full backup. The backtrace that was on the screen is > in the textdump > so I didn't bother to get the picture. And a 3rd crash. I had set debug.ddb.textdump.pending to 0 hoping that it would cause the scripts to run. It didn't, and we didn't get a textdump at all (system rebooted on it's own). Is there a limit I can set that would leave enough memory for the (de)compression stuff should have enough memory? Currently running with no tunables set. Loader.conf: ----- #geom_raid3_load="YES" #boot_verbose="-v" kern.ipc.semmns=4096 kern.ipc.semmni=2048 machdep.hyperthreading_allowed=1 zfs_load="YES" cpuctl_load="YES" ###Temp till increased by RE@### #vm.kmem_size_max=1G #vm.kmem_size_max=4294967296 #vm.kmem_size_max=4g #vfs.zfs.arc_max=4g ###Temp till increased by RE@### #kern.hwpmc.mtxpoolsize=256 #kern.hwpmc.nsamples=256 #kern.hwpmc.hashsize=256 #kern.hwpmc.callchaindepth=8 #kern.hwpmc.nbuffers=256 #kern.hwpmc.logbuffersize=4 ---- -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893