From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
bugme-daemon@bugzilla.kernel.org, crackevil@gmail.com,
linux-mm@kvack.org
Subject: Re: [Bugme-new] [Bug 12785] New: kswapd block the whole system by IO blaster in some case
Date: Fri, 27 Feb 2009 15:08:41 +0900 [thread overview]
Message-ID: <20090227150841.b7269557.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20090226212918.fce45757.akpm@linux-foundation.org>
On Thu, 26 Feb 2009 21:29:18 -0800
Andrew Morton <akpm@linux-foundation.org> wrote:
>
> (switched to email. Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
>
> (uh-oh)
>
> On Thu, 26 Feb 2009 21:20:46 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote:
>
> > http://bugzilla.kernel.org/show_bug.cgi?id=12785
> >
> > Summary: kswapd block the whole system by IO blaster in some case
> > Product: Memory Management
> > Version: 2.5
> > KernelVersion: 2.6.28.4
> > Platform: All
> > OS/Version: Linux
> > Tree: Mainline
> > Status: NEW
> > Severity: low
> > Priority: P1
> > Component: Other
> > AssignedTo: akpm@osdl.org
> > ReportedBy: crackevil@gmail.com
> >
> >
> > Distribution:debian lenny with some experimental packages
> > Hardware Environment:ThinkPad SL 400 7DC with 2G memery
> > Software Environment:no swap partition,kernel with 4G memery support
> > Problem Description:
> > Some day, my box dived into a block while HDLED was blinking.
> > I switched to console from gdm, tried iotop by long waiting and found the
> > killer was kswapd.
> > In "top" output, free memory is almost 50M.The most memory is cached by swap.
> > The system blocked even shutdown command wasn't effective.The box had been
> > killed by pressing then power button.
BTW, pages can be SwapCache even when there are no swap partition ?
Thanks,
-Kame
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prev parent reply other threads:[~2009-02-27 6:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-12785-10286@http.bugzilla.kernel.org/>
2009-02-27 5:29 ` Andrew Morton
2009-02-27 5:48 ` KOSAKI Motohiro
2009-02-27 6:00 ` 陈世昊
2009-02-27 6:08 ` KAMEZAWA Hiroyuki [this message]
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