Re: Debian on iMac G5
As I said, I don't understand the details. Perhaps Peter can tell us.
Rick
On Mar 19, 2016, at 9:28 AM, void <void@comsouth.net> wrote:
> Would it not be better to fix the graphics driver instead of using a modified Kernel? Simply curious if it wouldn't be considered a bug.
>
> -------- Original message --------
> From: Rick Thomas <rbthomas@pobox.com>
> Date: 3/18/2016 11:09 PM (GMT-05:00)
> To: Mathieu Malaterre <malat@debian.org>, steven.grunza@gmail.com
> Cc: Clive Menzies <clive@clivemenzies.co.uk>, PowerPC List Debian <debian-powerpc@lists.debian.org>
> Subject: Re: Debian on iMac G5
>
>
> On Mar 17, 2016, at 1:10 AM, Mathieu Malaterre <malat@debian.org> wrote:
>
> > But I am curious is the official debian kernel 4.5.0-rc2-powerpc64 not
> > working for you ? What's so special about the one from 'Peter
> > Saidanas' ?
>
> There is no official Debian kernel 4.5 yet, as far as I know.
>
> Peter Sasisanas has discovered a problem with the interaction between the nouveau driver and the powerpc64 (aka ppc64) kernel. I don't understand the details, but it seems to have something to do with large pages not being compatible with the nouveau driver.
>
> So Peter has generated a series of ppc64 kernels that don't use large pages. They are available here:
> https://drive.google.com/folderview?id=0B8pqd5Ots1vfT2puX09CYjEwcFk&usp=sharing
>
> open one of the folders (the 4.5.0-rc2 kernel works OK with Debian Stretch on my PowerMac G5) and download the two .deb files you find in the folder.
>
> Install both of them using "dpkg -i ….deb". Modify /etc/yaboot.conf to use the new kernel. Run "ybin -v". And reboot. Maybe you'll see a working graphical sign in screen.
>
> Peter may know if there's any chance of his changes (or something like them) getting into mainstream Debian in the future. It may be difficult, because whether or not you want large pages depends on you particular hardware, so it would not be possible to have one standard config for all ppc64 machines.
>
> It's worth a try, anyway!
>
> Rick
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