Re: Recent 2.6 kernels can't read an entire ATAPI CD or DVD

[Jens Axboe]

On Fri, Jul 30 2004, Robert Love wrote:
> On Fri, 2004-07-30 at 07:53 +0200, Jens Axboe wrote:
> 
> > read-ahead doesn't matter on ripping audio, just for fs work.
> 
> This isn't ripping, just playing.

Strange, something else must be accessing the drive at the same time.

> > The audio problems might be fixed in 2.6.8-rc1-mm1 + the bounce patch
> > posted a few times (unfortunately 2.6.8-rc2-mm1 drops the patch for some
> > reason).
> 
> Yah, I will retest with 2.6.8-rc2-mm1.

If it's just playback, don't bother.

> > > [1] 
> > > hdc: command error: status=0x51 { DriveReady SeekComplete Error }
> > > hdc: command error: error=0x54
> > > end_request: I/O error, dev hdc, sector 8
> > > Buffer I/O error on device hdc, logical block 1
> > 
> > So this happens during ripping, or?
> 
> During playback.  Or any poking of the drive whatsoever, actually.
> 
> There will be multiple errors on different blocks, until ultimately IDE
> times out and does an ATAPI reset.

So the question is - what else is accessing the drive?

-- 
Jens Axboe

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