Messages in this thread | | | Date | Tue, 18 Sep 2007 10:50:09 -0400 | Subject | Re: Intel-Quad on GA-P35-S3 motherboard with 4*2GB | From | (Lennart Sorensen) |
| |
On Tue, Sep 18, 2007 at 04:35:43PM +0200, Wojciech Kromer wrote: > Yes, it's a bit strange, but there should be a way to configure it in linux. > I found only memmap option which does selection of regions, but not > remapping.
No it is entirely the BIOS's job to do that. It would be very hard for linux to safely change that.
> I have 64 bit compilation of course.
So in your case it would have been just fine with a simpler mapping.
> It's Intel-quad, so there are 4 CPUs.
Weird. The message about the MTRR on all the CPUs not maching sound like a strange bios bug. Are you running the latest bios version?
> It's in prevoius mail: > > # dmesg|grep BIOS-e820 > >BIOS-e820: 0000000000000000 - 000000000009f800 (usable) > >BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved) > >BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) > >BIOS-e820: 0000000000100000 - 000000009fee0000 (usable) > >BIOS-e820: 000000009fee0000 - 000000009fee3000 (ACPI NVS) > >BIOS-e820: 000000009fee3000 - 000000009fef0000 (ACPI data) > >BIOS-e820: 000000009fef0000 - 000000009ff00000 (reserved) > >BIOS-e820: 00000000c0000000 - 00000000c4000000 (reserved) > >BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) > >BIOS-e820: 0000000100000000 - 0000000260000000 (usable)
Looks to match the MTRR setup at least. So how much ram does the kernel actually want to use?
-- Len Sorensen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |