5.3 and 5.4RC1 both fail with CD upon installation(5.1 did not)

[Kris Kennaway]

On Thu, Apr 07, 2005 at 08:32:37AM -0500, Joshua Kampmeier wrote:
> Here is the error I get when booting with(any) of the 5.3/5.4 discs:
> 
> acd0: CDRW <QSI CD-RW/DVD-ROM SBW-241/VX08> at ata1-master UDMA33
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x00 ascq=0x00 error=0
> 
> then it starts sysinstall except when I try to start the installation it fails at mounting the CD-ROM. I can install in safe mode.. but then any time there is a cd in the drive upon boot-up.. i get errors again.

I think this is due to using DMA for ATAPI (i.e. accessing the CDROM),
which many drives do not support properly.  This was recently
disabled, so the next RC should work.  If not, send mail to stable@
instead of questions@

Kris
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20050407/e7a56d28/attachment.bin