From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dell-paw-3.cambridge.redhat.com ([195.224.55.237] helo=passion.cambridge.redhat.com) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 165XBQ-0006Hn-00 for ; Sun, 18 Nov 2001 19:00:48 +0000 From: David Woodhouse In-Reply-To: <1006109689.1390.50.camel@gromit.house> References: <1006109689.1390.50.camel@gromit.house> <1006107094.1391.46.camel@gromit.house> <1335.1006108414@redhat.com> To: Michael Rothwell Cc: linux-mtd@lists.infradead.org Subject: Re: second "mount" hangs Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 18 Nov 2001 19:10:15 +0000 Message-ID: <2506.1006110615@redhat.com> Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: rothwell@holly-springs.nc.us said: > Here ya go (SysRQ-t): Thanks. I have seen this before - didn't reach any useful conclusions so far. That has to be the down_read(s->s_umount) in get_super(). I don't know why anything would have the write lock on that though. Can you show the backtraces for all the other current processes too? -- dwmw2