% io-wait with 2.6.24-rcX
On Tue, Jan 22, 2008 at 07:25:15AM -0800, Martin Knoblauch wrote:
[EMAIL PROTECTED] ~]# dmsetup table
VolGroup00-LogVol02: 0 350945280 linear 104:2 67109248
VolGroup00-LogVol01: 0 8388608 linear 104:2 418054528
VolGroup00-LogVol00: 0 67108864 linear 104:2 384
On Fri, Jan 18, 2008 at 11:01:11AM -0800, Martin Knoblauch wrote:
At least, rc1-rc5 have shown that the CCISS system can do well. Now
the question is which part of the system does not cope well with the
larger IO sizes? Is it the CCISS controller, LVM or both. I am open to
suggestions on how
PROTECTED]; Milan Broz [EMAIL PROTECTED]; Neil Brown [EMAIL PROTECTED]
Sent: Tuesday, January 22, 2008 3:39:33 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On Fri, Jan 18, 2008 at 11:01:11AM -0800, Martin Knoblauch wrote:
At least, rc1-rc5 have shown that the CCISS system can do well
]; Ingo Molnar [EMAIL
PROTECTED]; [EMAIL PROTECTED]; linux-ext4@vger.kernel.org
linux-ext4@vger.kernel.org; [EMAIL PROTECTED]; Jens Axboe [EMAIL
PROTECTED]; Milan Broz [EMAIL PROTECTED]; Neil Brown [EMAIL PROTECTED]
Sent: Tuesday, January 22, 2008 3:39:33 PM
Subject: Re: regression: 100% io
On Tue, Jan 22, 2008 at 07:25:15AM -0800, Martin Knoblauch wrote:
[EMAIL PROTECTED] ~]# dmsetup table
VolGroup00-LogVol02: 0 350945280 linear 104:2 67109248
VolGroup00-LogVol01: 0 8388608 linear 104:2 418054528
VolGroup00-LogVol00: 0 67108864 linear 104:2 384
The IO should pass straight
]; [EMAIL PROTECTED];
linux-ext4@vger.kernel.org linux-ext4@vger.kernel.org; [EMAIL PROTECTED]
Sent: Friday, January 18, 2008 11:47:02 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
I can fire up 2.6.24-rc8 in short order to see if things are vastly
improved (as Martin seems
@vger.kernel.org
linux-ext4@vger.kernel.org; Linus Torvalds [EMAIL PROTECTED]; [EMAIL
PROTECTED]
Sent: Thursday, January 17, 2008 11:12:21 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On (17/01/08 13:50), Martin Knoblauch didst pronounce:
The effect is defintely depending
On (18/01/08 00:19), Martin Knoblauch didst pronounce:
The effect is defintely depending on the IO hardware.
performed the same tests
on a different box with an AACRAID controller and there things
look different.
I take it different also means it does not show this odd
On Fri, 18 Jan 2008, Mel Gorman wrote:
Right, and this is consistent with other complaints about the PFN of the
page mattering to some hardware.
I don't think it's actually the PFN per se.
I think it's simply that some controllers (quite probably affected by both
driver and hardware
On Jan 18, 2008 3:00 PM, Mike Snitzer [EMAIL PROTECTED] wrote:
On Jan 18, 2008 12:46 PM, Linus Torvalds [EMAIL PROTECTED] wrote:
On Fri, 18 Jan 2008, Mel Gorman wrote:
Right, and this is consistent with other complaints about the PFN of the
page mattering to some hardware.
I
--- Linus Torvalds [EMAIL PROTECTED] wrote:
On Fri, 18 Jan 2008, Mel Gorman wrote:
Right, and this is consistent with other complaints about the PFN
of the page mattering to some hardware.
I don't think it's actually the PFN per se.
I think it's simply that some controllers
On Jan 18, 2008 12:46 PM, Linus Torvalds [EMAIL PROTECTED] wrote:
On Fri, 18 Jan 2008, Mel Gorman wrote:
Right, and this is consistent with other complaints about the PFN of the
page mattering to some hardware.
I don't think it's actually the PFN per se.
I think it's simply that some
@vger.kernel.org; Linus Torvalds
[EMAIL PROTECTED]
Sent: Wednesday, January 16, 2008 1:00:04 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On Wed, Jan 16, 2008 at 01:26:41AM -0800, Martin Knoblauch wrote:
For those interested in using your writeback improvements in
production sooner
PROTECTED]; [EMAIL PROTECTED];
linux-ext4@vger.kernel.org linux-ext4@vger.kernel.org; Linus Torvalds
[EMAIL PROTECTED]
Sent: Wednesday, January 16, 2008 1:00:04 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On Wed, Jan 16, 2008 at 01:26:41AM -0800, Martin Knoblauch wrote
@vger.kernel.org; Linus Torvalds
[EMAIL PROTECTED]
Sent: Thursday, January 17, 2008 2:52:58 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
- Original Message
From: Fengguang Wu
To: Martin Knoblauch
Cc: Mike Snitzer ; Peter
Zijlstra
; [EMAIL PROTECTED]; Ingo Molnar
@vger.kernel.org
linux-ext4@vger.kernel.org; Linus Torvalds [EMAIL PROTECTED]; [EMAIL
PROTECTED]
Sent: Thursday, January 17, 2008 9:23:57 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On (17/01/08 09:44), Martin Knoblauch didst pronounce:
On Wed, Jan 16, 2008 at 01:26:41AM -0800
On (17/01/08 13:50), Martin Knoblauch didst pronounce:
mail manglement snipped
The effect is defintely depending on the IO hardware. I performed the
same tests
on a different box with an AACRAID controller and there things look different.
I take it different also means it does not
PROTECTED]; Andrew
Morton [EMAIL PROTECTED]
Sent: Tuesday, January 15, 2008 10:13:22 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On Jan 14, 2008 7:50 AM, Fengguang Wu wrote:
On Mon, Jan 14, 2008 at 12:41:26PM +0100, Peter Zijlstra wrote:
On Mon, 2008-01-14 at 12:30 +0100, Joerg
On Wed, Jan 16, 2008 at 01:26:41AM -0800, Martin Knoblauch wrote:
For those interested in using your writeback improvements in
production sooner rather than later (primarily with ext3); what
recommendations do you have? Just heavily test our own 2.6.24 + your
evolving close, but not ready
@vger.kernel.org; Linus Torvalds
[EMAIL PROTECTED]
Sent: Wednesday, January 16, 2008 1:00:04 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On Wed, Jan 16, 2008 at 01:26:41AM -0800, Martin Knoblauch wrote:
For those interested in using your writeback improvements in
production sooner
]; [EMAIL PROTECTED];
linux-ext4@vger.kernel.org linux-ext4@vger.kernel.org; Linus Torvalds
[EMAIL PROTECTED]
Sent: Wednesday, January 16, 2008 1:00:04 PM
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
On Wed, Jan 16, 2008 at 01:26:41AM -0800, Martin Knoblauch wrote
On Jan 14, 2008 7:50 AM, Fengguang Wu [EMAIL PROTECTED] wrote:
On Mon, Jan 14, 2008 at 12:41:26PM +0100, Peter Zijlstra wrote:
On Mon, 2008-01-14 at 12:30 +0100, Joerg Platte wrote:
Am Montag, 14. Januar 2008 schrieb Fengguang Wu:
Joerg, this patch fixed the bug for me :-)
* Fengguang Wu [EMAIL PROTECTED] wrote:
On Mon, Jan 14, 2008 at 12:41:26PM +0100, Peter Zijlstra wrote:
On Mon, 2008-01-14 at 12:30 +0100, Joerg Platte wrote:
Am Montag, 14. Januar 2008 schrieb Fengguang Wu:
Joerg, this patch fixed the bug for me :-)
Fengguang,
On Tue, Jan 15, 2008 at 10:42:13PM +0100, Ingo Molnar wrote:
* Fengguang Wu [EMAIL PROTECTED] wrote:
On Mon, Jan 14, 2008 at 12:41:26PM +0100, Peter Zijlstra wrote:
On Mon, 2008-01-14 at 12:30 +0100, Joerg Platte wrote:
Am Montag, 14. Januar 2008 schrieb Fengguang Wu:
On Tue, Jan 15, 2008 at 04:13:22PM -0500, Mike Snitzer wrote:
On Jan 14, 2008 7:50 AM, Fengguang Wu [EMAIL PROTECTED] wrote:
On Mon, Jan 14, 2008 at 12:41:26PM +0100, Peter Zijlstra wrote:
On Mon, 2008-01-14 at 12:30 +0100, Joerg Platte wrote:
Am Montag, 14. Januar 2008 schrieb
On Mon, Jan 14, 2008 at 11:54:39AM +0800, Fengguang Wu wrote:
particular this bug is triggered because the dir mapping page has
PAGECACHE_TAG_DIRTY set and PG_dirty cleared, staying in an
inconsistent state.
Just found that a deleted dir will enter that inconsistent state when
someone
On Mon, 2008-01-14 at 12:30 +0100, Joerg Platte wrote:
Am Montag, 14. Januar 2008 schrieb Fengguang Wu:
Joerg, this patch fixed the bug for me :-)
Fengguang, congratulations, I can confirm that your patch fixed the bug! With
previous kernels the bug showed up after each reboot. Now,
Am Montag, 14. Januar 2008 schrieb Fengguang Wu:
Joerg, this patch fixed the bug for me :-)
Fengguang, congratulations, I can confirm that your patch fixed the bug! With
previous kernels the bug showed up after each reboot. Now, when booting the
patched kernel everything is fine and there is
On Sun, Jan 13, 2008 at 10:49:31AM +0100, Joerg Platte wrote:
register_jprobe(ext2_writepage) = 0
register_jprobe(requeue_io) = 0
register_kprobe(submit_bio) = 0
requeue_io:
inode 114019(sda7/.kde) count 2,2 size 0 pages 1
0 2 0 U
requeue_io:
inode
On Sun, Jan 13, 2008 at 07:59:33PM +0800, Fengguang Wu wrote:
On Sun, Jan 13, 2008 at 10:49:31AM +0100, Joerg Platte wrote:
register_jprobe(ext2_writepage) = 0
register_jprobe(requeue_io) = 0
register_kprobe(submit_bio) = 0
requeue_io:
inode 114019(sda7/.kde) count 2,2 size 0 pages 1
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