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Date:      Sat, 5 Mar 2011 21:22:18 +0100
From:      "Paul B. Mahol" <onemda@gmail.com>
To:        David Demelier <demelier.david@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: optical driver with ahci bios mode but ata(4) driver
Message-ID:  <AANLkTi=Uqqo0Ht0fmyEkFtL+csWnPjeQsQDmg=abe+sz@mail.gmail.com>
In-Reply-To: <4D6BF823.2090602@gmail.com>
References:  <4D6BF823.2090602@gmail.com>

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On Mon, Feb 28, 2011 at 8:31 PM, David Demelier
<demelier.david@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@Melon ~ $ burncd msinfo
> burncd: ioctl(CDIOREADTOCHEADER): Input/output error
>
> markand@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?



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