Date: Mon, 03 Nov 1997 08:46:34 +0100 From: Michael Class <michael_class@hp.com> To: Jean-Marc Zucconi <jmz@cabri.obs-besancon.fr> Cc: michael_class@bbn.hp.com, freebsd-scsi@FreeBSD.ORG Subject: Re: Burning Audio-CD on HP4020i does not work Message-ID: <345D815A.41EF6AA8@hp.com> References: <9711021720.AA05572@cabri.obs-besancon.fr>
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Thank you very much!
After changing the Blocksize to 23520, and the addition of a "dd
conv=swab" and your patch now everything works!
Micha
Jean-Marc Zucconi wrote:
>
> >>>>> Micha Class writes:
>
> > Symtom:
>
> > Burning does not start, I get the following error-messages:
>
> > Nov 2 12:20:40 pc-micha /kernel: worm0: ILLEGAL REQUEST asc:2c,0
> > Command sequence error
> > Nov 2 12:20:42 pc-micha last message repeated 2 times
>
> Try the patch below (which is in -current now). However I am surprised
> that you were able to burn audio CDs with your script, because audio
> burning requires a bloc size which is a multiple of 2352.
>
> Index: worm.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/scsi/worm.c,v
> retrieving revision 1.46
> diff -u -r1.46 worm.c
> --- worm.c 1997/09/21 22:03:22 1.46
> +++ worm.c 1997/10/11 05:32:04
> @@ -139,6 +139,7 @@
> static errval worm_rezero_unit(struct scsi_link *sc_link);
> static errval worm_read_session_info(struct scsi_link *, struct wormio_session_info *);
> static int worm_sense_handler(struct scsi_xfer *);
> +static errval worm_set_blksize(struct scsi_link *sc_link, int size);
>
> /* XXX should be moved out to an LKM */
> static errval rf4100_prepare_disk(struct scsi_link *, int dummy, int speed);
> @@ -957,6 +958,31 @@
> return SCSIRET_CONTINUE;
> }
>
> +static errval
> +worm_set_blksize(struct scsi_link *sc_link, int size)
> +{
> + struct scsi_mode_select scsi_cmd;
> + struct {
> + struct scsi_mode_header header;
> + struct blk_desc desc;
> + } dat;
> + bzero(&scsi_cmd, sizeof(scsi_cmd));
> + bzero(&dat, sizeof(dat));
> + scsi_cmd.op_code = MODE_SELECT;
> + scsi_cmd.length = sizeof(dat);
> + dat.header.blk_desc_len = sizeof(struct blk_desc);
> + scsi_uto3b(size, dat.desc.blklen);
> + return scsi_scsi_cmd(sc_link,
> + (struct scsi_generic *) &scsi_cmd,
> + sizeof(scsi_cmd),
> + (u_char *) &dat,
> + sizeof(dat),
> + /*WORM_RETRIES*/ 4,
> + 5000,
> + NULL,
> + SCSI_DATA_OUT);
> +}
> +
> static void
> worm_drvinit(void *unused)
> {
> @@ -1230,12 +1256,9 @@
> 60000, /* this may take a while */
> NULL,
> 0);
> - if (!error) {
> - struct wormio_prepare_track t;
> - bzero (&t, sizeof (t));
> - t.track_type = BLOCK_MODE_1;
> - error = rf4100_prepare_track(sc_link, &t);
> - }
> + if (!error)
> + error = worm_set_blksize(sc_link, 2048);
> +
> return error;
> }
>
> @@ -1532,12 +1555,9 @@
> 60000, /* this may take a while */
> NULL,
> 0);
> - if (!error) {
> - struct wormio_prepare_track t;
> - bzero (&t, sizeof (t));
> - t.track_type = BLOCK_MODE_1;
> - error = hp4020i_prepare_track(sc_link, &t);
> - }
> + if (!error)
> + error = worm_set_blksize(sc_link, 2048);
> +
> return error;
> }
>
> Jean-Marc
> _____________________________________________________________________________
> Jean-Marc Zucconi Observatoire de Besancon F 25010 Besancon cedex
> PGP Key: finger jmz@cabri.obs-besancon.fr
--
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