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From: Krzysztof Halasa <khc@pm.waw.pl>
To: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>,
	linux-scsi@vger.kernel.org
Subject: Re: NEC ND-4550A problems reading DVD-R
Date: Tue, 01 Mar 2011 11:01:41 +0100	[thread overview]
Message-ID: <m37hcjgnwa.fsf@intrepid.localdomain> (raw)
In-Reply-To: <20110301080153.GA26074@htj.dyndns.org> (Tejun Heo's message of "Tue, 1 Mar 2011 09:01:53 +0100")

Tejun Heo <tj@kernel.org> writes:

> I think that's determined by drivers/scsi/sr.h::SR_TIMEOUT which is
> hardcoded to be 30 seconds.  Maybe it's better to move it to use the
> block parameter.  Anyways, the drive actually takes longer than 30secs
> to recognize the media?

Yes, sometimes it takes e.g. 18 seconds, and sometimes it's 33 secs or
something alike. It's quite random.

Perhaps we should have a longer timeout only while mounting the media?

> Eeek, ugly.  Isn't there firmware update available for the drive?

1.09 is already the latest. It's a '2005 drive.

Thanks.
-- 
Krzysztof Halasa

  reply	other threads:[~2011-03-01 10:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-28 21:36 NEC ND-4550A problems reading DVD-R Krzysztof Halasa
2011-03-01  8:01 ` Tejun Heo
2011-03-01 10:01   ` Krzysztof Halasa [this message]
2011-03-01 13:48   ` Mark Lord
2011-03-01 15:47     ` Stephen Clark
2011-03-04 11:07       ` Tejun Heo
2011-03-04 14:09         ` Stephen Clark
2011-03-04 22:16         ` Jens Axboe

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