On Thu, Aug 14, 2003 at 05:45:28PM -0400, Adam Migus wrote: > I also do testing on a dual Althon and honestly didn't bother to > research whether they'd have any affect. Could/would they be > causing a problem? I'll recompile without them and try again at any > rate. They are old options for enabling hardware cache on machines which have had a processor upgrade installed, or for enabling Cyrix 5x86 FPU handler options. They are documented in NOTES. I could find scant documentation on the FASTFPE bit. http://www.sandpile.org/ia32/ccr.htm#ccr4 suggests that it was only ever used on the old 486 pin-compatible Cyrix 5x86. It is possible setting these bits has an undefined effect on your more recent machines. Try compiling a kernel without them and see if your scheduler problem manifests itself. BMSReceived on Thu Aug 14 2003 - 13:29:36 UTC
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