linux-kernel - Re: Linux 2.6.25-rc4

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Message-ID: <alpine.LFD.1.00.0803171548480.3020@woody.linux-foundation.org>
Date:	Mon, 17 Mar 2008 15:52:57 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Anders Eriksson <aeriksson@...tmail.fm>
cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Jens Axboe <jens.axboe@...cle.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.25-rc4 

On Mon, 17 Mar 2008, Anders Eriksson wrote:
> 
> Mar 17 21:57:30 tippex do_rw_taskfile(task->data_phase=1, tf->command=176
> Mar 17 21:58:00 tippex hda: lost interrupt
> 
> And the usual freeze. This is on -rc5 with Barts latest suggestion.
> 
> next?

Do you get into ide_error() too? That 176 is WIN_SMART, but you had 
earlier WIN_SMART commands that worked ok, so it's something specific that 
triggers it. data_phase = 1 is TASKFILE_IN.

So try to see if you get to ide_error(), which is where Bartlomiejs latest 
patch was in effect - but add a few printk's there to print out the 'stat' 
variable etc to see if it actually triggers. And maybe a WARN_ON(1) to get 
the trace..

		Linus

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