On Sun, 09 Dec 2007 14:51:15 +0100, Florian Philipp wrote
> On Sun, 2007-12-09 at 13:59 +0100, pat wrote:
> > Hello,
> >
> > I've try to update kernel from 2.6.20-gentoo-r8 to 2.6.23-gentoo-r3. I've
copied
> > config, run make oldconfig and then make.
> >
> > At boot time the new kernel maps disks as hdax, but previous kernel mapped
disks
> > as sdax. So, if I want to use new kernel I have to change fstab (that's not
> > so
> > bad), but I have to setup DMA for the disk, and that's not possible (an
error occur)
> >
> > Did I something wrong? How to solve it?
> >
> > The GRUB boot options:
> >
> > *** new one
> > title GNU/Linux 2.6.23-gentoo-r3
> > root (hd0,2)
> > kernel /boot/kernel-2.6.23-gentoo-r3 real_root=/dev/hda5 atapi_enabled=1
> > hdc=noprobe nmi_watchdog=0 root=/dev/hda5
> >
> >
> > *** old one
> > title GNU/Linux 2.6.20-gentoo-r8
> > root (hd0,2)
> > kernel /boot/kernel-2.6.20-gentoo-r8 real_root=/dev/sda5 atapi_enabled=1
> > hdc=noprobe nmi_watchdog=0
> >
> >
> > Thanks a lot.
> >
> > Pat
>
> Remove
> Device Drivers ->
> ATA/ATAPI/MFM/RLL support ->
> generic/default IDE chipset support
>
> and
>
> Device Drivers ->
> Serial ATA (prod) and Parallel ATA (experimental) drivers ->
> Generic ATA support
>
> from your Kernel config. You might be using generic drivers instead
> of your specific drivers. Also double check all kernel options concerning
> Disk controllers.
Thanks a lot, it helped.
Pat
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