Difficulty playing DVDs under AHCI/CAM?

[Gary Jennejohn]

On Sun, 29 Aug 2010 09:40:04 +0000
Buganini <buganini at gmail.com> wrote:

> BTW, it seems that DVD burning with ahci is broken,
> burning a CD is okay, but I never burn a DVD sucessfully with ahci.
> Always get somethings like "unable to write at 60H input/output error"
> and many "(cd0:ahcich2:0:0:0): SCSI sense: ILLEGAL REQUEST
> csi:43,0,0,c asc:24,0 (Invalid field in CDB): Command byte 6 is
> invalid"
> in dmesg,
> 
> With ahci unloaded, I see "(cd0:ata4:0:0:0): SCSI sense: ILLEGAL
> REQUEST csi:43,0,0,c asc:24,0 (Invalid field in CDB): Command byte 6
> is invalid" once, but it works.
> 
> But I can read data DVD with ahci and sucessfully verify data with diff.
> 

I've been using ahci for a long time (-current) and have absolutely no problem
burning CDs/DVDs with xfburner.

--
Gary Jennejohn