From: Jens Axboe <axboe@suse.de>
To: "Bryan O'Sullivan" <bos@serpentine.com>
Cc: Arjan van de Ven <arjanv@redhat.com>,
Dave Jones <davej@redhat.com>,
Edward Angelo Dayao <edward.dayao@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: Recent 2.6 kernels can't read an entire ATAPI CD or DVD
Date: Thu, 29 Jul 2004 10:49:29 +0200 [thread overview]
Message-ID: <20040729084928.GR10377@suse.de> (raw)
In-Reply-To: <1091051858.13651.1.camel@camp4.serpentine.com>
On Wed, Jul 28 2004, Bryan O'Sullivan wrote:
> On Wed, 2004-07-28 at 19:05 +0200, Jens Axboe wrote:
>
> > On this thread, I agree it's
> > probably a kernel issue. Can you check what capacity isosize gives you
> > on the device, and what /proc/ide/hdc/capacity tells you?
>
> This is a basically unpatched 2.6.7 kernel:
>
> ~ # uname -a
> Linux abcd.serpentine.com 2.6.7-1.1791-up #1 Sat Jul 10 14:22:15 PDT
> 2004 i686 athlon i386 GNU/Linux
>
> ~ # isosize /dev/hdc
> 8164939776
>
> ~ # cat /proc/ide/hdc/capacity
> 15947148
Looks pretty perfect, maybe it's read-ahead screwing it up. Try if
setting hdparm -a0 /dev/hdc makes a difference.
--
Jens Axboe
next prev parent reply other threads:[~2004-07-29 8:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-28 4:30 Recent 2.6 kernels can't read an entire ATAPI CD or DVD Bryan O'Sullivan
2004-07-28 5:31 ` Jens Axboe
2004-07-28 6:51 ` Edward Angelo Dayao
2004-07-28 6:53 ` Jens Axboe
2004-07-28 14:52 ` Dave Jones
2004-07-28 14:55 ` Arjan van de Ven
2004-07-28 16:33 ` Jens Axboe
2004-07-28 17:05 ` Jens Axboe
2004-07-28 21:57 ` Bryan O'Sullivan
2004-07-29 8:49 ` Jens Axboe [this message]
2004-07-30 5:49 ` Robert Love
2004-07-30 5:53 ` Jens Axboe
2004-07-30 5:57 ` Robert Love
2004-07-30 6:10 ` Jens Axboe
2004-07-30 6:26 ` Prakash K. Cheemplavam
2004-07-30 6:30 ` Robert Love
2004-07-30 6:39 ` Jens Axboe
2004-07-30 6:28 ` Robert Love
2004-07-30 6:38 ` Jens Axboe
2004-07-30 15:33 ` Robert Love
2004-08-01 5:29 ` Bryan O'Sullivan
2004-07-28 16:53 ` Claudio Martins
-- strict thread matches above, loose matches on Subject: below --
2004-08-01 17:30 Lukas Hejtmanek
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