From: Dmitri Monakhov <dmonakhov@openvz.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Eric Sandeen <sandeen@redhat.com>, Mingming Cao <cmm@us.ibm.com>,
ext4 development <linux-ext4@vger.kernel.org>
Subject: Re: Problem with fsstress on powerpc
Date: Wed, 9 Apr 2008 12:33:41 +0400 [thread overview]
Message-ID: <20080409083341.GC944@dmon-lap.sw.ru> (raw)
In-Reply-To: <20080409082115.GA8238@skywalker>
On 13:51 Wed 09 Apr , Aneesh Kumar K.V wrote:
> On Wed, Apr 09, 2008 at 11:44:57AM +0400, Dmitri Monakhov wrote:
> > On 20:54 Tue 08 Apr , Aneesh Kumar K.V wrote:
> > > Hi All,
> > >
> > > Test case: fsstress with fallocate test case added.
> > This may happens because of direct write.
> > Please add exact fsstess command and options.
> > >
>
> fsstress -c -n1000 -p1000 -d /mnt/tmp/
>
> What i found was also related. The file which had errors had the below
> operations on them.
>
> 82/901: dread d16/d20/d22/d2d/d63/d68/d9a/f93 [622592,53248] 0
> 82/939: dwrite d16/d20/d22/d2d/d63/d68/d9a/f93 [1093632,77824] 28
>
>
> 9/863: fallocate d1/d2d/d32/d8f/d97/d108/d9b/ffb [2041,75851] 28
>
>
> 18/733: fallocate d9/ddd/f86 [481025,18486] 0
> 18/735: dwrite d9/ddd/f86 [679936,36864] 0
> 18/764: dread d9/ddd/f86 [53248,8192] 0
> 18/910: dwrite d9/ddd/f86 [1454080,4096] 28
> 18/999: dwrite d9/ddd/f86 [1798144,61440] 28
>
>
> But what would happen during direct write that cause this ?
Ohh it is long live bug in direct-io error handling logic:
http://lkml.org/lkml/2006/12/18/103
So IMHO it is beter to disable direct-io writes in your case.
>
> -aneesh
> --
> To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2008-04-09 8:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-08 15:24 Problem with fsstress on powerpc Aneesh Kumar K.V
2008-04-09 7:44 ` Dmitri Monakhov
2008-04-09 8:21 ` Aneesh Kumar K.V
2008-04-09 8:33 ` Dmitri Monakhov [this message]
2008-04-09 9:39 ` Aneesh Kumar K.V
2008-04-09 10:01 ` Dmitri Monakhov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080409083341.GC944@dmon-lap.sw.ru \
--to=dmonakhov@openvz.org \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=cmm@us.ibm.com \
--cc=linux-ext4@vger.kernel.org \
--cc=sandeen@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.