From: Andrew Morton <akpm@osdl.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: nanhai.zou@intel.com, linux-kernel@vger.kernel.org
Subject: Re: [Patch] jbd commit code deadloop when installing Linux
Date: Tue, 27 Jun 2006 23:55:00 -0700 [thread overview]
Message-ID: <20060627235500.8c2c290e.akpm@osdl.org> (raw)
In-Reply-To: <20060628063859.GA9726@elte.hu>
On Wed, 28 Jun 2006 08:38:59 +0200
Ingo Molnar <mingo@elte.hu> wrote:
>
> * Andrew Morton <akpm@osdl.org> wrote:
>
> > > We see system hang in ext3 jbd code
> > > when Linux install program anaconda copying
> > > packages.
> > >
> > > That is because anaconda is invoked from linuxrc
> > > in initrd when system_state is still SYSTEM_BOOTING.
>
> [ argh ...! ]
That's what I thought ;)
> > > Thus the cond_resched checks in journal_commit_transaction
> > > will always return 1 without actually schedule,
> > > then the system fall into deadloop.
> >
> > That's a bug in cond_resched().
> >
> > Something like this..
>
> Acked-by: Ingo Molnar <mingo@elte.hu>
>
Thanks. Zou, it'd be great if you could test this in your setup, please.
I've tagged it as 2.6.17.x material.
next prev parent reply other threads:[~2006-06-28 6:55 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-28 4:48 Zou Nan hai
2006-06-28 6:40 ` Andrew Morton
2006-06-28 6:38 ` Ingo Molnar
2006-06-28 6:55 ` Andrew Morton [this message]
2006-06-28 5:46 ` Zou Nan hai
2006-06-28 7:39 ` Ingo Molnar
2006-06-28 7:40 ` Andrew Morton
2006-06-28 6:02 ` Zou Nan hai
2006-06-28 8:04 ` Andrew Morton
2006-06-28 6:50 ` Zou Nan hai
2006-06-28 8:45 ` Andrew Morton
2006-06-28 7:14 ` Zou Nan hai
2006-06-28 9:29 ` Ingo Molnar
2006-06-28 7:55 ` Ingo Molnar
2006-06-28 9:10 ` Arjan van de Ven
2006-06-28 7:32 ` Zou Nan hai
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