Date: Thu, 21 Mar 96 12:38:38 +0100 From: Jean-Marc Zucconi <jmz@cabri.obs-besancon.fr> To: rdmurphy@acs.bu.edu Cc: questions@freebsd.org Subject: Re: Playing audio CD Message-ID: <9603211138.AA20495@cabri.obs-besancon.fr> In-Reply-To: <199603210131.UAA171296@acs4.bu.edu> (rdmurphy@acs.bu.edu)
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>>>>> rdmurphy writes:
> I have a question about playing an audio CD (through headphones)
> on my CD-ROM drive. I've tried using a couple different programs
> without success. Using "cdplay", I can access the drive, in the
> sense that it lists the tracks, but it won't play the CD. When I
> attempt to play it, the following message is generated:
> cd0(ncr0:3:0): ILLEGAL REQUEST asc:26,0 Invalid field in parameter list
> Any idea what's going on here?
> My system:
> FreeBSD 2.1-STABLE #0: Mon Mar 11 01:03:52 1996
> root@dunquin:/usr/src/sys/compile/DUNQUIN
> CPU: 133-MHz Pentium 735\\90 or 815\\100 (Pentium-class CPU)
> Origin = "GenuineIntel" Id = 0x52b Stepping=11
> Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
> real memory = 16777216 (16384K bytes)
> avail memory = 15126528 (14772K bytes)
> Probing for devices on PCI bus 0:
> chip0 <Intel 82437 (Triton)> rev 2 on pci0:0
> chip1 <Intel 82371 (Triton)> rev 2 on pci0:7
> vga0 <VGA-compatible display device> rev 0 int a irq 10 on pci0:10
> ncr0 <ncr 53c810 scsi> rev 2 int a irq 11 on pci0:12
> ncr0 waiting for scsi devices to settle
> (ncr0:0:0): "FUJITSU M1606S-512 6234" type 0 fixed SCSI 2
> sd0(ncr0:0:0): Direct-Access
> sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
> 1041MB (2131992 512 byte sectors)
> (ncr0:3:0): "SONY CD-ROM CDU-76S 1.1c" type 5 removable SCSI 2
Go to /sys/scsi, apply the following patch to cd.c and recompile
***************
*** 1093,1098 ****
--- 1093,1104 ----
scsi_cmd.byte2 |= SMS_PF;
scsi_cmd.length = sizeof(*data) & 0xff;
data->header.data_length = 0;
+ /*
+ * SONY drives do not allow a mode select with a medium_type
+ * value that has just been returned by a mode sense; use a
+ * medium_type of 0 (Default) instead.
+ */
+ data->header.medium_type = 0;
return (scsi_scsi_cmd(SCSI_LINK(&cd_switch, unit),
(struct scsi_generic *) &scsi_cmd,
sizeof(scsi_cmd),
Jean-Marc
_____________________________________________________________________________
Jean-Marc Zucconi Observatoire de Besancon F 25010 Besancon cedex
PGP Key: finger jmz@cabri.obs-besancon.fr
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