CD Writer works only when boot drive is IDE, why?

[Michel Munnix]

John Park wrote:

> Hi,
>
> I have an Adaptec 2940UW running under Linux 2.0.34 with version 5.0.19 of the
> aic7xxx driver. I installed Linux on the IDE drive originally but subsequently
> on  my SCSI drives.  The systems are nearly identical (I reinstalled everything)
> with the obvious exception of fstab, etc., but when I try to write a CD, it
> inevitably fails (scsi getcmd or some such error) if I boot with sda1 as root,
> and sda2 as usr, etc. Otherwise, everything (including reading CDs from the
> drive) works. Booting with hda1 as root (and hda2 as usr, etc.) never fails. In
> both cases, the CD image is on sdb3 (!), so, in principle, writing from one scsi
> drive to another works. I did everything suggested in the xcdroast docs
> (reducing transfer rate, write rate, etc.) to no avail.


did you try to enable disconnect on all scsi devices ?
are you writing to the right device ? which program are you using ?

michel



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