From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@osdl.org>
Cc: Zou Nan hai <nanhai.zou@intel.com>, linux-kernel@vger.kernel.org
Subject: Re: [Patch] jbd commit code deadloop when installing Linux
Date: Wed, 28 Jun 2006 08:38:59 +0200 [thread overview]
Message-ID: <20060628063859.GA9726@elte.hu> (raw)
In-Reply-To: <20060627234005.dda13686.akpm@osdl.org>
* 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 ...! ]
> > 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>
Ingo
next prev parent reply other threads:[~2006-06-28 6:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-28 4:48 [Patch] jbd commit code deadloop when installing Linux Zou Nan hai
2006-06-28 6:40 ` Andrew Morton
2006-06-28 6:38 ` Ingo Molnar [this message]
2006-06-28 6:55 ` Andrew Morton
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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