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Message-Id: <200806292139.02928.mb@bu3sch.de>
Date:	Sun, 29 Jun 2008 21:39:02 +0200
From:	Michael Buesch <mb@...sch.de>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Jan Kara <jack@...e.cz>, Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Oops when using growisofs

On Thursday 26 June 2008 20:36:11 Jens Axboe wrote:
> Something like this, totally untested...

> +	switch (capbuf.blocklen) {
> +	case 512:
> +	case 1024:
> +	case 2048:
> +	case 4096:
> +		break;
> +	default:
> +		printk(KERN_ERR "ide-cd: weird block size %u\n",
> +							capbuf.blocklen);
> +		printk(KERN_ERR "ide-cd: default to 2kb block size\n");
> +		capbuf.blocklen = 2048;
> +		break;
>  	}

So I applied this patch and it works fine.
However I cannot say if this fixed it. The warning does not appear, however,
it's probably possible that the drive does only return a wrong blocksize
under weird conditions (firmware bug).

So in any case, I think this patch should be applied. Checking device sanity
is always a good thing.

-- 
Greetings Michael.
--
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