On Tue, Dec 21, 2010 at 11:27:30AM +0100, Mark Kettenis wrote:
quoted text
> We still have some some issues with SATA/AHCI on NVIDIA chipsets.  If
> you have a machine, could you send me the following information:
> 
> * dmesg
> * output of 'pcidump -vxx'
> * BIOS setting (IDE/SATA/AHCI/RAID) if your BIOS provides that opportunity
> * short description of any changes (BIOS settings, kernel config) you
>   need to make to get things working.
> 
> If your machine has the possibility to change the mode of the disk
> controller in the BIOS, and you're willing to spend some time, please
> try them all and and send me a report for all of these.  Note that
> this may cause your disk to change from wd* to sd* or the other way
> around.  So you may need to (temporarily) change your /etc/fstab.
> 
> Thanks,
> 
> Mark
> 

Just a note to remind everyone that you can change your fstab to
use DUIDs rather than wd* and sd*, thus making it easier to survive
the flips between wd and sd when changing BIOS settings.

Using wd0 as an example, just 'disklabel -E wd0' and w(rite), q(uit)
to put a DUID in your disklabel if it hasn't got one. Then replace
all instances of '/dev/wd0x' with <duid>.x in your fstab. And away
you go. No need to worry about your disk flipping from wd to sd and
back.

Just did this and it works fine. My fstab now looks like

d48d0e3fc1c39531.a / ffs rw,softdep 1 1
d48d0e3fc1c39531.k /home ffs rw,nodev,nosuid,softdep 1 2
d48d0e3fc1c39531.d /tmp ffs rw,nodev,nosuid,softdep 1 2
d48d0e3fc1c39531.f /usr ffs rw,nodev,softdep 1 2
d48d0e3fc1c39531.g /usr/X11R6 ffs rw,nodev,softdep 1 2
d48d0e3fc1c39531.h /usr/local ffs rw,nodev,softdep 1 2
d48d0e3fc1c39531.j /usr/obj ffs rw,nodev,nosuid,softdep 1 2
d48d0e3fc1c39531.i /usr/src ffs rw,nodev,nosuid,softdep 1 2

and changing my bios setting to flip back and forth from wd0 to sd0
has no effect on booting.

.... Ken