Linux-kernel mailing list archive 1999-37,: Re: ATAPI CD-Rom Illegal request...

# Re: ATAPI CD-Rom Illegal request...

Todd Sabin (tastas@home.com)
15 Sep 1999 17:36:57 -0400

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Jens Axboe <axboe@image.dk> writes:

> On Wed, Sep 15 1999, Evan Van Dyke wrote:
> > I've recently installed the 2.2.12 kernel, and have been getting the
> > following
> > odd kernel error when accessing any of my CD drives... I didn't see it
> > mentioned in the archives, but forgive me if it's already been caught.
> > The error has been around since atleast 2.3.5, as it gave me the same
> > problem. The relevant entries in my syslog are:
> >
> > Sep 15 00:06:38 miranda kernel: ATAPI device hdd:
> > Sep 15 00:06:38 miranda kernel: Error: Illegal request -- (Sense
> > key=0x05)
> > Sep 15 00:06:38 miranda kernel: (reserved error code) -- (asc=0x6f,
> > ascq=0x03)
> > Sep 15 00:07:05 miranda kernel: hdd: command error: status=0x51 {
> > DriveReady SeekComplete Error }
> > Sep 15 00:07:05 miranda kernel: hdd: command error: error=0x50
> > Sep 15 00:07:05 miranda kernel: end_request: I/O error, dev 16:40 (hdd),
> > sector 1216
> >
> > If this is a known bug/etc sorry for sending it in again.
>
> I haven't seen this before. The error seems to indicate that
> this is a DVD drive, is that so? Accessing the drive is a wide
> definition - mounting, audio playing, what is a repeatable
> way to provoke the error?
>

I've seen similar errors, as well:

Sep 13 17:56:57 banzai2 kernel: ATAPI device hdc:
Sep 13 17:56:57 banzai2 kernel: Error: Illegal request -- (Sense key=0x05)
Sep 13 17:56:57 banzai2 kernel: Illegal mode for this track or incompatible medium -- (asc=0x64, ascq=0x00)
Sep 13 17:56:57 banzai2 kernel: hdc: command error: status=0x51 { DriveReady SeekComplete Error }
Sep 13 17:56:57 banzai2 kernel: hdc: command error: error=0x54
Sep 13 17:56:57 banzai2 kernel: end_request: I/O error, dev 16:00 (hdc), sector 1446

[root@banzai2 /root]# cat /proc/ide/hdc/model
NEC CD-ROM DRIVE:28B

This was on a normal CD-ROM drive, but the CD in question was burned
by HP DirectCD on NT. The errors only occurred when I was trying to
dd if=/dev/hdc .... It was repeatable any time I tried to access
certain blocks. I didn't see any errors if I mounted the CD and just
used the filesystem on it.

Todd

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