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Date:	Tue, 04 Mar 2008 10:57:01 +0100
From:	Anders Eriksson <aeriksson@...tmail.fm>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
cc:	Anders Eriksson <aeriksson@...tmail.fm>,
	Jeff Garzik <jeff@...zik.org>, linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: -rc3 regression (was Re: 2.6.25-rc2 + smartd = hang ) 



bzolnier@...il.com said:
>> On Tuesday 04 March 2008, Bartlomiej Zolnierkiewicz wrote:
>> Untested patch which may help in case that set_pio_mode() raced with
>> the queueing of the special request and block layer doesn't call
>> ->request_fn_proc again if we were preempted previously (if PREEMPT=y).

> I need some sleep...  this patch is not going to help (though disabling
> PREEMPT may be worth a try).  Sorry for the confusion.

Ok, I'll drop the patch and, recompile without PREEMPT.


bzolnier@...il.com said:
> If the patch doesn't help could you try removing smartd from system startup
> and see if it could be run later from the command line? 

That's how I executed during the bisect. It works as a charm without smartd. 
The moment I run it, boink, the first accessed hd freezed up. The other ones 
are usable for a while, though the system tend to lock solid after a while.

/A 




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