An ATAPI CD-ROM drive doesn't work with 7.0-BETA2, but it works with 7.0-BETA1 and 6.3-BETA1

Kip Macy kip.macy at gmail.com
Sun Nov 18 16:20:10 PST 2007


This is also an issue on parallels. Scott Long and the maintainer are
aware of the issue. I don't know yet how they intend to address it.

 -Kip


On Nov 18, 2007 3:08 PM, Juergen Lock <nox at jelal.kn-bremen.de> wrote:
>
> In article <20071111073940.E35C74AE2D at mail.asahi-net.or.jp> you write:
> >Hi, all.
> >
> >I've tried to install FreeBSD/pc98 7.0-BETA2 to PC-9821Xa9 via FTP.
> >Installation is finished sucessfully.
> >But cannot use the internal ATAPI CD-ROM drive.
> >
> >aries# uname -a
> >FreeBSD aries.sign.local 7.0-BETA2 FreeBSD 7.0-BETA2 #1: Sun Nov 11 00:16:42
> >JST 2007     nabe at aries.sign.local:/usr/src/sys/pc98/compile/GENERIC  pc98
> >aries# dmesg | grep ^acd
> >acd0: <CD-ROM CDU76E-NE/1.0d> CDROM drive at ata1 as master
> >acd0: read 689KB/s (689KB/s), 256KB buffer, PIO2
> >acd0: Reads: CDDA stream
> >acd0: Writes:
> >acd0: Audio: play, 256 volume levels
> >acd0: Mechanism: ejectable tray, unlocked
> >acd0: Medium: CD-ROM unknown
> >aries# mount_cd9660 -v /dev/acd0 /mnt
> >could not determine starting sector, using very first session
> >mount_cd9660: /dev/acd0: Input/output error
> >aries# cdcontrol info
> >cdcontrol: /dev/acd0: Input/output error
> >aries# cdcontrol status
> >cdcontrol: /dev/acd0: Input/output error
> >aries#
> >
> >The CD-ROM drive works well with 7.0-BETA1 and 6.3-BETA1.
> >
> >To use the CD-ROM drive with 7.0-BETA2, I have to apply a quick patch
> >described below and recompile the kernel:
> >
> >--- sys/dev/ata/atapi-cd.c.orig 2007-11-01 04:59:53.000000000 +0900
> >+++ sys/dev/ata/atapi-cd.c      2007-11-11 00:15:21.000000000 +0900
> >@@ -696,12 +696,16 @@
> >        if (!acd_mode_sense(dev, ATAPI_CDROM_CAP_PAGE,
> >                            (caddr_t)&cdp->cap, sizeof(cdp->cap)) &&
> >                            cdp->cap.page_code == ATAPI_CDROM_CAP_PAGE) {
> >+#if 0
> >            if ((cdp->cap.medium_type == MST_FMT_NONE) ||
> >                (cdp->cap.medium_type == MST_NO_DISC) ||
> >                (cdp->cap.medium_type == MST_DOOR_OPEN) ||
> >                (cdp->cap.medium_type == MST_FMT_ERROR))
> >                return EIO;
> >            else
> >+#else
> >+           printf("cap.medium_type:%d\n", cdp->cap.medium_type);
> >+#endif
> >                break;
> >        }
> >        pause("acdld", hz / 2);
> >
> >The value of cdp->cap.medium_type is 0 (MST_FMT_NONE).
>
> Interesting, I didn't know real hw is also affected...  I already
> had to make a patch for qemu that chases these recent commits (atapi-cd.c),
> see my post on -emulation,
>         http://lists.freebsd.org/pipermail/freebsd-emulation/2007-November/004178.html
>
>  If you want to play with the patch, its also at,
>         http://people.freebsd.org/~nox/qemu/patch-hw-ide.c
> (testers especially with non-FreeBSD guests still wanted!)
>
>  Thanx,
>         Juergen
>
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