From: Fengguang Wu <wfg@mail.ustc.edu.cn>
To: jplatte@naasa.net
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
Date: Wed, 9 Jan 2008 20:04:58 +0800 [thread overview]
Message-ID: <399880302.13852@ustc.edu.cn> (raw)
Message-ID: <E1JCZg2-0001DE-RP@localhost.localdomain> (raw)
In-Reply-To: <200801090713.15655.lists@naasa.net>
On Wed, Jan 09, 2008 at 07:13:14AM +0100, Joerg Platte wrote:
> Am Mittwoch, 9. Januar 2008 schrieb Fengguang Wu:
> > > /dev/sda6 on / type ext3 (rw,noatime,errors=remount-ro,acl)
> > > tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
> > > proc on /proc type proc (rw,noexec,nosuid,nodev)
> > > sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
> > > procbususb on /proc/bus/usb type usbfs (rw)
> > > udev on /dev type tmpfs (rw,mode=0755)
> > > tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
> > > devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
> > > fusectl on /sys/fs/fuse/connections type fusectl (rw)
> > > /dev/sda7 on /tmp type ext2 (rw,noatime,errors=remount-ro,acl)
> > > /dev/sda8 on /export type ext3 (rw,noatime,errors=remount-ro,acl)
> > > /dev/sda1 on /winxp type ntfs (rw,umask=002,gid=10000,nls=utf8)
> >
> > So they are ext3/ext2/ntfs. What if you umount ntfs? and ext2 if possible?
>
> Unmounting ntfs doesn't help, hence I converted the remaining ext2 filesystem
> to ext3, modified the fstab entry accordingly and rebooted. Now everything
> seems to be fine! Top reports an idle system and there is no abnormal iowait
> any longer! Seems to be ext2 was causing this! Later today I can try to
> remount the filesystem as ext2 to be sure the bug shows up again.
Thank you for the clue. However I cannot reproduce the bug on
ext2/2.6.24-rc7. Can you provide more details? Thank you.
Fengguang
next prev parent reply other threads:[~2008-01-09 12:05 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-07 10:51 regression: 100% io-wait with 2.6.24-rcX Joerg Platte
2008-01-07 11:19 ` Ingo Molnar
2008-01-07 13:24 ` Joerg Platte
2008-01-07 13:32 ` Peter Zijlstra
2008-01-07 13:40 ` Joerg Platte
[not found] ` <E1JCRbA-0002bh-3c@localhost.localdomain>
2008-01-09 3:27 ` Fengguang Wu
2008-01-09 6:13 ` Joerg Platte
[not found] ` <E1JCZg2-0001DE-RP@localhost.localdomain>
2008-01-09 12:04 ` Fengguang Wu [this message]
2008-01-09 12:22 ` Joerg Platte
[not found] ` <E1JCaUd-0001Ko-Tt@localhost.localdomain>
2008-01-09 12:57 ` Fengguang Wu
2008-01-09 13:04 ` Joerg Platte
[not found] ` <E1JCrMj-0001HR-SZ@localhost.localdomain>
2008-01-10 6:58 ` Fengguang Wu
[not found] ` <E1JCrsE-0000v4-Dz@localhost.localdomain>
2008-01-10 7:30 ` Fengguang Wu
[not found] ` <20080110073046.GA3432@mail.ustc.edu.cn>
[not found] ` <E1JCsDr-0002cl-0e@localhost.localdomain>
2008-01-10 7:53 ` Fengguang Wu
2008-01-10 8:37 ` Joerg Platte
[not found] ` <E1JCt0n-00048n-AD@localhost.localdomain>
2008-01-10 8:43 ` Fengguang Wu
2008-01-10 10:03 ` Joerg Platte
[not found] ` <E1JDBk4-0000UF-03@localhost.localdomain>
2008-01-11 4:43 ` Fengguang Wu
2008-01-11 5:29 ` Joerg Platte
2008-01-11 6:41 ` Joerg Platte
2008-01-12 23:32 ` Joerg Platte
[not found] ` <E1JDwaA-00017Q-W6@localhost.localdomain>
2008-01-13 6:44 ` Fengguang Wu
2008-01-13 8:05 ` Joerg Platte
[not found] ` <E1JDy5a-0001al-Tk@localhost.localdomain>
2008-01-13 8:21 ` Fengguang Wu
2008-01-13 9:49 ` Joerg Platte
[not found] ` <E1JE1Uz-0002w5-6z@localhost.localdomain>
2008-01-13 11:59 ` Fengguang Wu
[not found] ` <20080113115933.GA11045@mail.ustc.edu.cn>
[not found] ` <E1JEGPH-0001uw-Df@localhost.localdomain>
2008-01-14 3:54 ` Fengguang Wu
[not found] ` <20080114035439.GA7330@mail.ustc.edu.cn>
[not found] ` <E1JEM2I-00010S-5U@localhost.localdomain>
2008-01-14 9:55 ` Fengguang Wu
2008-01-14 11:30 ` Joerg Platte
2008-01-14 11:41 ` Peter Zijlstra
[not found] ` <E1JEOmD-0001Ap-U7@localhost.localdomain>
2008-01-14 12:50 ` Fengguang Wu
2008-01-15 21:13 ` Mike Snitzer
[not found] ` <E1JF0m1-000101-OK@localhost.localdomain>
2008-01-16 5:25 ` Fengguang Wu
2008-01-15 21:42 ` Ingo Molnar
[not found] ` <E1JF0bJ-0000zU-FG@localhost.localdomain>
2008-01-16 5:14 ` Fengguang Wu
2008-01-16 9:26 Martin Knoblauch
[not found] ` <E1JF6w8-0000vs-HM@localhost.localdomain>
2008-01-16 12:00 ` Fengguang Wu
2008-01-16 14:15 Martin Knoblauch
2008-01-16 16:27 ` Mike Snitzer
2008-01-17 13:52 Martin Knoblauch
2008-01-17 16:11 ` Mike Snitzer
2008-01-17 17:44 Martin Knoblauch
2008-01-17 20:23 ` Mel Gorman
2008-01-17 17:51 Martin Knoblauch
2008-01-17 21:50 Martin Knoblauch
2008-01-17 22:12 ` Mel Gorman
2008-01-18 8:19 Martin Knoblauch
2008-01-18 16:01 ` Mel Gorman
2008-01-18 17:46 ` Linus Torvalds
2008-01-18 19:01 ` Martin Knoblauch
2008-01-18 19:23 ` Linus Torvalds
2008-01-22 14:39 ` Alasdair G Kergon
2008-01-18 20:00 ` Mike Snitzer
2008-01-18 22:47 ` Mike Snitzer
2008-01-19 10:24 Martin Knoblauch
2008-01-22 15:25 Martin Knoblauch
2008-01-22 23:40 ` Alasdair G Kergon
2008-01-22 18:51 Martin Knoblauch
2008-01-23 11:12 Martin Knoblauch
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