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SubjectRe: Linux 2.2.17pre16 problems with audio CD on SCSI
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Jens Axboe <axboe@suse.de> writes:

> On Sun, Aug 13 2000, Philippe Troin wrote:
> > From the 2.2.17pre change log:
> >
> > > o Fix CDROMPLAYTRKIND, rpc2 region info query (Jens Axboe)
> >
> > This gives me a lot of trouble with some essential programs
> > (eg. quake ;-) trying to access an audio cdrom.
>
> Very odd, it just brings back the original behaviour instead of
> emulating PLAY_AUDIO_TI with PLAY_AUDIO_MSF.
>
> > Vendor: PLEXTOR Model: CD-ROM PX-40TW Rev: 1.04
>
> Looking at the specs for this drive, it does comply with the scsi
> spec regarding this command (one would hope so ;).
>
> > When running quake with an audio cd in, the SCSI bus gets reset all
> > the times. Reverting to the old CDROMPLAYTRKIND implementation from
> > the 3.10 driver (the one in 2.2.16) fixes the problem.
>
> Any chance you could send me those error messages?

Well just a plain SCSI bus reset. Here is a sample:

kernel: scsi0 channel 0 : resetting for second half of retries.
kernel: SCSI bus is being reset for host 0 channel 0.
kernel: (scsi0:0:1:0) Synchronous at 40.0 Mbyte/sec, offset 15.
kernel: (scsi0:0:3:0) Synchronous at 80.0 Mbyte/sec, offset 15.
kernel: scsi0 channel 0 : resetting for second half of retries.
kernel: SCSI bus is being reset for host 0 channel 0.
kernel: (scsi0:0:1:0) Synchronous at 40.0 Mbyte/sec, offset 15.
kernel: (scsi0:0:3:0) Synchronous at 80.0 Mbyte/sec, offset 15.
kernel: sr1: CDROM not ready yet.
last message repeated 3 times
kernel: scsi0 channel 0 : resetting for second half of retries.
kernel: SCSI bus is being reset for host 0 channel 0.
kernel: (scsi0:0:1:0) Synchronous at 40.0 Mbyte/sec, offset 15.
kernel: sr1: CDROM not ready yet.

I also tried reverting to the old aic78xx from 2.2.16 (aic 5.1.28) but
it did not help (2.2.17pre* contains aic 5.1.31).

The wierd thing is that so far, only quake and quake2 have trouble
playing CDs (with the uniform cd-rom driver 3.11). All other programs
have no trouble at all.

Phil.

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