From: Andrew Morton <akpm@osdl.org>
To: Chris Sykes <chris@sigsegv.plus.com>
Cc: linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net
Subject: Re: Hang during rm on ext2 mounted sync (2.6.14-rc2+)
Date: Fri, 23 Sep 2005 01:57:19 -0700 [thread overview]
Message-ID: <20050923015719.5eb765a4.akpm@osdl.org> (raw)
In-Reply-To: <20050922163708.GF5898@sigsegv.plus.com>
Chris Sykes <chris@sigsegv.plus.com> wrote:
>
> Kernels: 2.6.14-rc1 -> 2.6.14-rc2 + up to hg changeset 5c9ff0e17a61
>
> I'm experiencing processes getting stuck in the 'D' state whilst
> rm'ing files on an ext2 fs mounted with the 'sync' option. What I've
> tested so far:
>
> * Ext2 mounted with sync: rm hangs
> * Ext2 mounted without sync: OK
> * Ext3 mounted with sync: OK
> * Ext3 mounted without sync: OK
>
> I first noticed this on my /boot partition, and wanted to know whether
> it was repeatable so I've created a few test ext2 filesystem images
> and mounted them via loopback.
Odd. Seems OK here. How hard is it to make it occur?
I'd be suspecting a lost I/O completion from the device driver. Are you
really sure that ext3 cannot be made to do the same thing?
Suggest you generate the `dmesg -s 1000000' output for both good and bad
kernels, do a `diff -u' on them and look for IDE complaints (or SCSI, if
you're on SCSI).
next prev parent reply other threads:[~2005-09-23 8:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-22 16:37 Hang during rm on ext2 mounted sync (2.6.14-rc2+) Chris Sykes
2005-09-22 20:49 ` Chris Sykes
2005-09-23 8:57 ` Andrew Morton [this message]
2005-09-23 12:19 ` Chris Sykes
2005-09-23 13:22 ` Chris Sykes
2005-09-23 19:18 ` Andrew Morton
2005-09-23 19:45 ` Jesper Juhl
2005-09-23 19:47 ` Andrew Morton
2005-09-23 20:11 ` Alexey Dobriyan
2005-09-23 20:06 ` Jesper Juhl
2005-09-23 20:23 ` Andrew Morton
2005-09-23 20:51 ` Jesper Juhl
2005-09-24 12:14 ` Chris Sykes
2005-09-24 14:28 ` Chris Sykes
2005-09-24 15:47 ` [PATCH]: Fix ext2_new_inode() failure paths Chris Sykes
2005-09-24 17:33 ` [PATCH]: Fix ext3_new_inode() " Chris Sykes
2005-09-24 17:39 ` Hang during rm on ext2 mounted sync (2.6.14-rc2+) Andrew Morton
2005-09-25 10:56 ` Chris Sykes
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