From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: Kernel crash upon unmount Date: Mon, 29 Dec 2003 00:18:37 +0300 Message-ID: <3FEF48AD.2030903@namesys.com> References: <200312251942.20053.sikkh@wp.pl> <20031228191636.6991.qmail@ninja.dynup.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <20031228191636.6991.qmail@ninja.dynup.net> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: David Masover Cc: reiserfs-list@namesys.com, Alexander Zarochentcev David Masover wrote: > Piotr Neuman writes: > >> When I use reiser4 on one partition everything is fine. But when I >> tried to use it on two partitions - kernel crashed upon doing unmount >> of filesystems. > > > I have the same problem. My current workaround is to never unmount > them at all -- I crudely hacked halt.sh to skip trying to unmount > filesystems, and to jump straight to "remounting remaining filesystems > readonly". I have to do "mount -o remount,ro", because "umount -r" > crashes. > About this "crash" -- it's an oops at first, then things start to fall > apart. I never quite get a crash, but a reiser4 crash is almost as bad. > > Zam mentioned something to me about a race in the umount code he ran into while benchmarking, could be the same thing, probably he'll tell you more on monday. -- Hans