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 165XPt-0006KU-00 for ; Sun, 18 Nov 2001 19:15:45 +0000 From: David Woodhouse In-Reply-To: <1006107094.1391.46.camel@gromit.house> References: <1006107094.1391.46.camel@gromit.house> To: Michael Rothwell Cc: linux-mtd@lists.infradead.org, spse@secret.org.uk Subject: Re: second "mount" hangs Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 18 Nov 2001 19:25:12 +0000 Message-ID: <2915.1006111512@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: > I mounted a JFFS2 filesystem stored on a 16MB partition on a zip > disk, using mtdblock and blktmd. I accidentally typed "mount /mnt/ > flash" rather than "umount /mnt/flash", and "mount" is now hung. > Unkillable. /mnt/flash is still mounted and usable, but not > unmountable. It seems I will have to reboot to umount the filesystem. > I can't even eject the zip disk. I think that the last time I saw this reported, it was also on a blkmtd device. A quick perusal of the blkmtd code shows that it uses sleep_on functions - which makes me instantly assume it's racy. Simon - can you reproduce this problem? -- dwmw2