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On Mon, 9 Mar 1998, Alan Cox wrote: > > Seconded. IMO, two features that are not present in the current 2.1 kernel > > that should be for Cyrix, are: 1.) HLT-on-idle, and 2.) NO_LOCK set by > > default. The justification is this: If these options go into the kernel > > I can just about see the case for #1. The NO_LOCK case was reported to > hang X for some people. An alternative was posted that probably should > be set at boot. Hi Alan, I am likely the person who reported the problems with X w/NO_LOCK set. I have since determined my report was a result of having incorrectly set other registers with set6x86 on my system. I have been running a 2.1.88 kernel for 11 days (w/X) on original cpu with NO_LOCK set (built into kernel) with no problems at all. It defeats the coma bug perfectly. I have heard no other reports of problems with NO_LOCK. Andre Balsa has done an excellent job maintaining a site regarding Linux on Cyrix, which fully documents the coma bug and findings. It is http://gwyn.tux.org/~balsa/linux/cyrix/. Also, Andre discloses the suggested workaround from Cyrix and compares them. > If you do HLT-on-idle make sure you handle it with the nohlt option at > boot properly so you can nohlt a Cyrix This should be working stably. I have re-introduced the code into my kernel as well (helps me sleep at night with the fan running quieter, too!). cheers, -bp -- B. James Phillippe <bryan@terran.org> Linux Software Engineer, WGT Inc. http://earth.terran.org/~bryan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu | ||||||||||||
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