optical driver with ahci bios mode but ata(4) driver

[Brandon Gooch]

On Mar 6, 2011, at 2:14 AM, David Demelier <demelier.david at gmail.com> wrote:

> On 05/03/2011 21:22, Paul B. Mahol wrote:
>> On Mon, Feb 28, 2011 at 8:31 PM, David Demelier
>> <demelier.david at gmail.com>  wrote:
>>> Hello,
>>> 
>>> My bios can be set to use IDE emulation or ahci mode, I prefere the ahci
>>> mode because it's a bit faster.
>>> 
>>> It's probably stupid to stay with ata(4) driver with the ahci mode, isn't
>>> it? But with ahci(4) driver you can't burn with burncd(8) and cdrecord just
>>> fail and break an blank cd for nothing.
>>> 
>>> I guess this is the correct behavior when trying to use burncd(8) /
>>> cdcontrol(1) :
>>> 
>>> markand at Melon ~ $ burncd msinfo
>>> burncd: ioctl(CDIOREADTOCHEADER): Input/output error
>>> 
>>> markand at Melon ~ $ cdcontrol info
>>> cdcontrol: getting toc header: Input/output error
>>> cdcontrol: Input/output error
>>> 
>>> But why the optical drive is only affected? If I use ata(4) driver even with
>>> ahci mode set in the bios, why the hard drive works pretty well?
>> 
>> Are you using atapicam module?
> 
> No I was only using ata, atapicd. I would like to use ahci + cdrecord but it fails to burn too :(
> 
> -- 
> David Demelier

Have you tried burning using the -tao option?

Also, mav@ has a set of patches to get cd burning working with CAM, just search the mailing list archives -- I seem to recall that you may have previously been a part of a discussion concerning this situation?

-Brandon