From: viro@parcelfarce.linux.theplanet.co.uk
To: Meelis Roos <mroos@linux.ee>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: lazy umount not working (udev & tmpfs on /dev)
Date: Tue, 5 Oct 2004 15:28:55 +0100 [thread overview]
Message-ID: <20041005142855.GK23987@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <Pine.GSO.4.44.0410051306400.16512-100000@math.ut.ee>
On Tue, Oct 05, 2004 at 01:11:33PM +0300, Meelis Roos wrote:
> Hi, I'm running 2.6.9-rc3+BK (as of yesterday, 20041004) on a couple of
> x86 Debian unstable machines with udev and I'm having problems.
>
> In 2.6.3-rc2 all was OK. Don't know exactly about plain -rc3.
>
> In current BK, lazy umount is not working sometimes. udev start script
> mounts tmpfs on /dev and stop script does umount -l /dev. This doesn't
> return failure but nothing happens, /dev remain mounted and I can't
It might be not umount, actually - if you get double mount for any
reason, the first umount -l will strip the top layer, leaving whatever's
beneath it.
Could you add printk to sys_mount() and sys_umount(), so that
we could at least see which one is a problem? Just "called mount"/"called
umount", nothing fancy with arguments...
next prev parent reply other threads:[~2004-10-05 14:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-05 10:11 Meelis Roos
2004-10-05 14:28 ` viro [this message]
2004-10-05 15:50 ` Meelis Roos
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