From: Andrew Morton <akpm@linux-foundation.org>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.21-mm1: many processes end up in D state
Date: Mon, 30 Apr 2007 11:05:10 -0700 [thread overview]
Message-ID: <20070430110510.1f559d34.akpm@linux-foundation.org> (raw)
In-Reply-To: <46360DA7.6040003@gmail.com>
On Mon, 30 Apr 2007 17:39:19 +0200
Jiri Slaby <jirislaby@gmail.com> wrote:
> Hi,
>
> I have a problem with higher disk loads (e.g. running git-log or yum update).
> Many processes end up in D state and system is unusable -- I'm not able to run
> anything but smooth mouse moving when this happens.
>
> If I wait for a 20-30sec it becomes usable. This happens in 2.6.21-rc7-mm2 and
> also in 2007-04-28-05-06 broken-out snapshot. I think 2.6.21-rc6-mm1 worked
> fine, but I'm uncertain. If it is important, let me know to re-test.
>
It is important, but I doubt if retesting 2.6.21-rc6-mm1 will clarify
things a lot.
Could you try switching to a different IO scheduler please? Anticipatory
would suit.
Please keep a close eye on mainline, too. Wait for it to appear there :(
next prev parent reply other threads:[~2007-04-30 18:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-30 15:39 2.6.21-mm1: many processes end up in D state Jiri Slaby
2007-04-30 18:05 ` Andrew Morton [this message]
2007-04-30 18:14 ` Jiri Slaby
2007-04-30 18:44 ` Andrew Morton
2007-05-01 8:40 ` Jiri Slaby
2007-05-01 10:06 ` Jiri Slaby
2007-05-04 14:58 ` Jiri Slaby
2007-05-04 15:02 ` Jiri Slaby
-- strict thread matches above, loose matches on Subject: below --
2007-05-04 19:19 Mikael Pettersson
2007-05-05 15:30 ` Tejun Heo
2007-05-05 23:46 Mikael Pettersson
2007-05-07 9:52 ` Jiri Slaby
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