From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: software suspend doesn't work with 2.6.22-rc3
Date: Thu, 31 May 2007 08:54:51 +0200
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Cc: Maximilian Engelhardt <maxi@daemonizer.de>, nigel@nigel.suspend2.net,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Pavel Machek <pavel@ucw.cz>,
       "Eric W. Biederman" <ebiederm@xmission.com>
References: <200705261128.57332.maxi@daemonizer.de> <200705282021.30355.rjw@sisk.pl> <20070529003959.GA32543@gondor.apana.org.au>
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On Tuesday, 29 May 2007 02:39, Herbert Xu wrote:
> On Mon, May 28, 2007 at 08:21:29PM +0200, Rafael J. Wysocki wrote:
> >
> > Well, it looks like we have to fix this one separately.
> > 
> > Can you please tell me what to do to make cryptd run?
> 
> If you build it as a module then just loading it should be sufficient.
> If you have it built-in then it should always be there.
> 
> Let me know when you guys have a final patch.

The problem is more serious than I thought:

kthread_create() in crypto/cryptd.c line 302 doesn't return, so cryptd is stuck
in TASK_UNINTERRUPTIBLE all the time and it doesn't even execute one
instruction from cryptd_thread() [this happens on x86_64].

I've investigated this for a while, but I don't know why it happens.

Greetings,
Rafael
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