From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Zinx Verituse <zinx@epicsol.org>
Cc: lkml <linux-kernel@vger.kernel.org>, Jens Axboe <axboe@suse.de>
Subject: Re: ide-cd.c, "MEDIUM_ERROR" handling
Date: Tue, 18 Apr 2006 12:04:40 +0100 [thread overview]
Message-ID: <1145358280.18736.13.camel@localhost.localdomain> (raw)
In-Reply-To: <20060418011839.GA10619@atlantis.chaos>
On Llu, 2006-04-17 at 20:18 -0500, Zinx Verituse wrote:
> I recently bought a DVD drive which appears to not retry enough when it's
> having trouble reading a disc
Different to everything else I've ever met. You might want to check if
its got PC firmware or is actually from a set of drives that were meant
to be supplied in DVD players and similar.
> With this code enabled, no retries are made, and the kernel sees medium errors
> and returns bad data to the application reading; without it, the kernel retries
> transparently and reads the data perfectly. So, I think the comment is
> assuming decent hardware, which unfortunately isn't always what we have :/
Use ide-scsi or the new libata drivers, either will do retries on medium
errors.
Alan
next prev parent reply other threads:[~2006-04-18 10:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-18 1:18 ide-cd.c, "MEDIUM_ERROR" handling Zinx Verituse
2006-04-18 11:04 ` Alan Cox [this message]
2006-04-18 15:20 ` Gunther Mayer
2006-04-18 16:54 ` Erik Andersen
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