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SubjectRe: Recent 2.6 kernels can't read an entire ATAPI CD or DVD
On Wed, Jul 28 2004, Jens Axboe wrote:
> On Wed, Jul 28 2004, Arjan van de Ven wrote:
> > On Wed, Jul 28, 2004 at 03:52:28PM +0100, Dave Jones wrote:
> > > On Wed, Jul 28, 2004 at 08:53:19AM +0200, Jens Axboe wrote:
> > > > On Wed, Jul 28 2004, Edward Angelo Dayao wrote:
> > > > > yeah i get this kind of error in my logs as well from my liteon
> > > > > dvd-rom at home. thats like 6 months old and happened on fc2 when i
> > > > > had that installed on it. haven't noticed anything on mandrake 10 (the
> > > > > current distro i use at home) with 2.6.7.
> > > > >
> > > > > i got the same error on my old notebook, a compaq presario... that was
> > > > > prior to the drive being sent to that big junk yard in the sky. i
> > > > > forget what model that was. but i was running then... rh9.
> > > > >
> > > > > hope this bit helps guys resolve this.
> > > >
> > > > (dont top post!)
> > > >
> > > > Sounds like something fc2 is doing, I'd suggest filing a bug report with
> > > > them.
> > >
> > > Curious. The relevant code should match mainline 1:1 there unless I'm
> > > mistaken. Arjan ?
> >
> > we don't patch the ide layer, ide-cd or isofs... so really curious.
>
> I meant that something from userspace is triggering these errors, it's
> not necessarily a kernel issue.

Sorry, I mixed up two different threads. 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?

--
Jens Axboe

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