Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.5/8.12.5) with ESMTP id g7FEItRw004656 for ; Thu, 15 Aug 2002 07:18:55 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.5/8.12.3/Submit) id g7FEItru004655 for linux-xfs-outgoing; Thu, 15 Aug 2002 07:18:55 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-xfs@oss.sgi.com using -f Received: from zeus-e8.americas.sgi.com ([198.149.7.250]) by oss.sgi.com (8.12.5/8.12.5) with SMTP id g7FEImRw004625 for ; Thu, 15 Aug 2002 07:18:48 -0700 Received: from daisy-e185.americas.sgi.com (daisy-e185.americas.sgi.com [128.162.185.214]) by zeus-e8.americas.sgi.com (SGI-8.9.3/americas-smart-nospam1.1) with ESMTP id JAA39010; Thu, 15 Aug 2002 09:21:18 -0500 (CDT) Received: from jen.americas.sgi.com (jen.americas.sgi.com [128.162.187.49]) by daisy-e185.americas.sgi.com (SGI-8.9.3/SGI-server-1.8) with ESMTP id JAA56280; Thu, 15 Aug 2002 09:21:18 -0500 (CDT) Received: by jen.americas.sgi.com (8.11.6/SGI-client-1.7) id g7FEJ9V19493; Thu, 15 Aug 2002 09:19:09 -0500 Subject: Re: oops when creating an lvm-snapshot From: Steve Lord To: Erik Tews Cc: linux-xfs@oss.sgi.com, lvm-devel@sistina.com In-Reply-To: <20020815104938.GB23422@no-maam.dyndns.org> References: <20020814170120.GA23422@no-maam.dyndns.org> <1029344832.15672.90.camel@jen.americas.sgi.com> <20020814183631.A21357@infradead.org> <20020815104938.GB23422@no-maam.dyndns.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 Date: 15 Aug 2002 09:19:09 -0500 Message-Id: <1029421149.11475.6.camel@jen.americas.sgi.com> Mime-Version: 1.0 X-Spam-Status: No, hits=-3.6 required=5.0 tests=IN_REP_TO,SIGNATURE_DELIM version=2.20 X-Spam-Level: Sender: owner-linux-xfs@oss.sgi.com Precedence: bulk On Thu, 2002-08-15 at 05:49, Erik Tews wrote: > Ok, I fetched your patch from cvs today. Snapshot seems to work fine, > but I cannot mount the snapshot. I did a mount -o nouuid > /dev/master/xfssnap /snap and at this moment my kernel oopsed. The > backtrace shows me that the oops happens in xfs_statfs which was called > by linvfs_read_super which was called by get_sb_bdev. Can you reproduce > this and do you know what happened? A complete stack backtrace would help here, I do not have LVM setup right now. In your second message you say it oopses after a reboot, I presume you mean it oopses mounting the snapshot in the same location as in the first case? Details please, details! Steve -- Steve Lord voice: +1-651-683-3511 Principal Engineer, Filesystem Software email: lord@sgi.com