Re: i386 kernel w/options PAE fails

[Jean-Yves Migeon <jeanyves.migeon%free.fr@localhost>]

On 28.07.2010 21:01, Jukka Ruohonen wrote:
> On Tue, Jul 27, 2010 at 02:08:02PM -0500, John D. Baker wrote:
>> I have a machine with 4GB RAM and PAE support.
> 
> Ditto. Revision 1.73 of src/sys/arch/x86/x86/cpu.c seems to work fine here.
> 
> But with options PAE, (modular) X no longer works. More specifically, it is
> the infamous intel(4) driver.
> 
> (**) intel(0): Tiling enabled   
> (==) intel(0): VideoRam: 262144 KB
> (II) intel(0): Attempting memory allocation with tiled buffers.
> (WW) intel(0): xf86AllocateGARTMemory: allocation of 1644 pages failed
>         (Invalid argument)

Yeah, when part of memory get mapped above 4GiB, which starts to be
common with 512M/1G/2GB GPU cards out there, drm code and X drivers will
probably need some fixing.

I'll get a host with more than 4GB this week or the next, I will use it
for more extensive tests.

-- 
Jean-Yves Migeon
jeanyves.migeon%free.fr@localhost