linux-kernel - Re: 2.6.19-rc1 (+ide-cd patches) regression: unable to rip cd

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Date:	Mon, 13 Nov 2006 21:35:23 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Alex Romosan <romosan@...orax.lbl.gov>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.19-rc1 (+ide-cd patches) regression: unable to rip cd

On Mon, Nov 13 2006, Alex Romosan wrote:
> Jens Axboe <jens.axboe@...cle.com> writes:
> 
> > Great, problem fixed then, patch is already merged upstream so
> > 2.6.19 and next -rc (if any :-) should work. Thanks for your
> > persistent testing.
> 
> i've played with this a little bit more over the weekend. sometimes
> cdparanoia gets stuck trying to read some sector. with your patches i
> can now stop the process and restart it, and without touching the cd
> at all this next time cdparanoia finishes just fine. usually this
> happens after i try to rip a series of tracks so i wonder if some
> error counters don't get reset or something like that. maybe this is
> the expected behaviour, but i don't think i saw cdparanoia get stuck
> on the first track ever, usually it happens after some time.

There is a second error handling patch merged with the first patch as
well, perhaps it'll help you out. Attached here as well.

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index bddfebd..8821494 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -724,7 +724,7 @@ static int cdrom_decode_status(ide_drive
 		 * if we have an error, pass back CHECK_CONDITION as the
 		 * scsi status byte
 		 */
-		if (!rq->errors)
+		if (blk_pc_request(rq) && !rq->errors)
 			rq->errors = SAM_STAT_CHECK_CONDITION;
 
 		/* Check for tray open. */

-- 
Jens Axboe

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