The following fix was omitted from 2.4.3. It corrects a problem where the mtrr code attempts to set up a region twice as large as the user requested. The original message appeared in linux-kernel on 14 Mar 2001. --Bob Tracy ----- Forwarded message from David Wragg ----- >From: David Wragg <[EMAIL PROTECTED]> >Date: 14 Mar 2001 22:57:21 +0000 Oops, it got broken by the MTRR >32-bit support in 2.4.0-testX. The patch below should fix it. Joerg, I think this might well fix your Cyrix mtrr problem also. Let me know how it goes, Dave Wragg diff -uar linux-2.4.2/arch/i386/kernel/mtrr.c linux-2.4.2.cyrix/arch/i386/kernel/mtrr.c --- linux-2.4.2/arch/i386/kernel/mtrr.c Thu Feb 22 15:24:53 2001 +++ linux-2.4.2.cyrix/arch/i386/kernel/mtrr.c Wed Mar 14 22:28:02 2001 @@ -538,7 +538,7 @@ * Note: shift==0xf means 4G, this is unsupported. */ if (shift) - *size = (reg < 7 ? 0x1UL : 0x40UL) << shift; + *size = (reg < 7 ? 0x1UL : 0x40UL) << (shift - 1); else *size = 0; ----- End of forwarded message from David Wragg ----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/