Re: Sparc: Kernel 2.6.13 to 2.6.15-rc2 bug when running X11

[J.O. Aho]

On Sun, 11 Dec 2005, David S. Miller wrote:
> From: "J.O. Aho" <trizt@xxxxxxxxx>

> > sbusfb_mmap: start[71800000] size[410000] off[4000000]
> > sbusfb_mmap: page[0] map_size[2000]
> > sbusfb_mmap: map_size is now 2000
> > IO[X:6712]:
> > remap_pfn_range(s[71800000]e[71c10000],f[71800000],pfn[1fc0060],sz[2000],prot[80000000000006b0])
> > sbusfb_mmap: page[2000] map_size[2000]
> > sbusfb_mmap: map_size is now 2000
> > IO[X:6712]:
> > remap_pfn_range(s[71800000]e[71c10000],f[71802000],pfn[1fc0060],sz[2000],prot[80000000000006b0])
>
> This means, it passes in "vma->vm_start + page" in as the start
> address.
>
> Yet the last line, printed by the tracing code in io_remap_pfn_range()
> is getting 0x71800000, when it should be 0x71802000.
>
> I strongly believe your kernel is being miscompiled by whatever
> gcc is being used to build your kernels.

Okey, good that there is something I can try and see. I'll see what a 
rebuild does of the gcc 64bit and have as basic CFLAGS as possible doing 
this and rebuild the kernel and see what happens, if not, I guess I'll 
bugger the Gentoo Sparc guys again.

Thanks for the help.

--
     //Aho

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