Re: Kernel panic when mounting the cdrom

Jens Axboe (axboe@image.dk)
Wed, 22 Sep 1999 22:22:25 +0200

On Mon, Sep 20 1999, Roel Teuwen wrote:
> Hi there.
>
> On kernel 2.3.16 (I believe, I didn't double-check) and above (including ac6
> patch), mounting the cdrom hangs my system.
>
> from /var/log/messages :
>
> Sep 20 14:43:51 Mars kernel: cdrom: open failed.
> Sep 20 14:43:51 Mars kernel: buff address c1117e3c length 12
> Sep 20 14:43:51 Mars kernel: Kernel panic: Buffer at physical address > 16Mb
> used for aha1542

This is serious - could you find out exactly what 2.3 kernel broke
this?

> unrelated (it has always done this) question : what is the following 'wrong
> buffer length'-thing ?
>
> Vendor: T.YUDEN Model: CD-WO EW-50 Rev: 2.16
> Type: WORM ANSI SCSI revision: 02
> Detected scsi CD-ROM sr0 at scsi0, channel 0, id 4, lun 0
> Wrong buffer length supplied for request sense (256)

That's just the aha1542 driver being pedantic.

-- 
*  Jens Axboe <axboe@image.dk>
*  Linux CD-ROM Maintainer
*  http://www.kernel.dk


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