5.2-RELEASE: unable to mount cd-roms

Jon Noack noackjr at compgeek.com
Wed Jan 14 12:40:44 PST 2004

On 1/14/2004 3:59 AM, matti k wrote:
> On Tue, 13 Jan 2004 02:37:59 -0600 Jon Noack <noackjr at compgeek.com>
> wrote:
>> I am unable to mount CD-ROMs with 5.2-RELEASE.  I get the following
>> error message:
>> cd9660: /dev/acd0: Input/output error
> I saw this on 5.2-RC2. I have cdrom drives on primary master and 
> secondary master. Using SATA controller (Sil3112 ;)) for hard drive.
> I could mount the secondary drive ok but not the primary. Had to use 
> umount -f to unmount it though.
>> Also, toggling "hw.ata.atapi_dma" does not change the behavior.
> Disabling this allowed me to mount both cdrom drives but still had to
> use umount -f.
> Both drives are working correctly with 5.2-CURRENT updated yesterday.
> Here's a dmesg :) ...

I first had the problem with hw.ata.atapi_dma disabled (in other words, 
I left it as the default after installing 5.2-RELEASE from scratch).  I 
then enabled it to see if it would change anything and it happened to be 
on when I posted the dmesg.


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