Messages in this thread | | | Date | Wed, 29 Jan 2003 17:48:42 +0000 | From | Dave Jones <> | Subject | Re: no more MTRRs available ? |
| |
On Wed, Jan 29, 2003 at 09:20:01AM -0800, William Lee Irwin III wrote:
> Looks better than what I'm getting on 2.5.59: > > curly:~# cat /proc/mtrr > reg00: base=0xc0000000 (49152MB), size=16384MB: uncachable, count=1 > reg01: base=0x00000000 ( 0MB), size=524288MB: write-back, count=1 > reg02: base=0x800000000 (524288MB), size=262144MB: write-back, count=1 > Yes, this is standard ia32 (P-III/Coppermine cpus), and hence the > numbers here are utter garbage.
Bizarre. The size field isn't being shifted, and your base is somewhere off in 64bit land. See Andi's "RED-PEN" comments in various parts of arch/i386/kernel/cpu/mtrr/ They need fixing at some point, and could be the cause of your problems.
Dave
-- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - 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/
| |