On Tue, Apr 24, 2018 at 11:11 PM, Mick <[email protected]> wrote:
> On Tue, 24 Apr 2018 22:45:47 +0200
> John Paul Adrian Glaubitz <[email protected]> wrote:
>
>> On 04/24/2018 10:35 PM, Mick wrote:
>> > That's exactly what happened with lubuntu 16.04 PPC on my ibook  G4 (with 
>> > a radeon graphic card). And that's the reason why I rolled back to 14.04. 
>> > And that's also why I subscribe to this list!
>>
>> Feel free to install Debian sid on your iBook G4 [1]. You will have something
>> supported (unofficially through Debian Ports) and up-to-date for your
>> iBook.
>>
> Encouraging words! I will do assoon as possible,thanks.
>
>> I'm not sure what Mathieu was referring to in his second mail though
>> when talking about PCI vs AGP. I think the Radeon in the G4 was AGP.
>>
> The radeon is on AGP bus, but I heard that the driver does not work well in 
> agp mode. The only way I found to let the system stay up is to pass to the 
> kernel the parameter radeon.agpmode=-1, which means use the card in PCI mode. 
> I suppose he was referring to it.

I had been working on radeonfb for a while and totally forgot that I
commented out:

$ cat /etc/modprobe.d/radeon.conf
#options radeon agpmode=-1

So I (re)submitted an old patch to change the default behavior:

https://patchwork.kernel.org/patch/10360887/

> --
> Mick
>

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