From: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Con Kolivas <kernel@kolivas.org>,
Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.7-ck1
Date: Tue, 29 Jun 2004 10:19:46 +0200 [thread overview]
Message-ID: <1088497186.2733.0.camel@teapot.felipe-alfaro.com> (raw)
In-Reply-To: <20040628224623.GA11333@elf.ucw.cz>
On Tue, 2004-06-29 at 00:46 +0200, Pavel Machek wrote:
> > I've found some interaction problems between, what I think it's, the
> > staircase scheduler and swsusp. With vanilla 2.6.7, swsusp is able to
> > save ~9000 pages to disk in less than 5 seconds, where as 2.6.7-ck1
> > takes more than 1 minute to save the same amount of pages when
> > suspending to disk.
>
> That's probably bug in io subsystem. That happened few times in suse
> kernel. Missing unplug?
It seems it was a bug in the yield() logic with the staircase scheduler,
as it has been fixed in -ck2 and -ck3. Surely, it was *not* a problemw
with swsusp.
next prev parent reply other threads:[~2004-06-29 8:19 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-16 11:22 2.6.7-ck1 Con Kolivas
2004-06-18 16:28 ` 2.6.7-ck1 Felipe Alfaro Solana
2004-06-19 3:48 ` 2.6.7-ck1 Con Kolivas
2004-06-19 5:20 ` 2.6.7-ck1 Con Kolivas
2004-06-19 8:39 ` 2.6.7-ck1 Felipe Alfaro Solana
[not found] ` <Pine.LNX.4.58.0406182004370.32121@alpha.polcom.net>
2004-06-19 4:06 ` 2.6.7-ck1 Con Kolivas
2004-06-19 5:26 ` 2.6.7-ck1 Con Kolivas
2004-06-19 16:25 ` 2.6.7-ck1 Grzegorz Kulewski
2004-06-19 16:38 ` 2.6.7-ck1 Con Kolivas
2004-06-28 22:46 ` 2.6.7-ck1 Pavel Machek
2004-06-28 20:52 ` 2.6.7-ck1 kernel
2004-06-29 8:19 ` Felipe Alfaro Solana [this message]
2004-06-19 21:00 ` 2.6.7-ck1, cfq ionice? Prakash K. Cheemplavam
2004-06-19 21:05 ` Prakash K. Cheemplavam
2004-06-19 23:18 ` Con Kolivas
2004-06-20 7:40 ` Prakash K. Cheemplavam
2004-06-21 16:02 ` 2.6.7-ck1 Brian S. Stephan
-- strict thread matches above, loose matches on Subject: below --
2004-06-19 20:50 2.6.7-ck1 AshMilsted
2004-06-19 23:10 ` 2.6.7-ck1 Con Kolivas
2004-06-25 13:48 2.6.7-ck1 Con Kolivas
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