In message <XFMail.20031124130939.jdp_at_polstra.com>, John Polstra writes: >On 24-Nov-2003 Nate Lawson wrote: >> It's a long shot, but what about setting kern.timecounter.hardware to >> i8254. It appears your ACPI timer is bad. The reason why I suggest this >> is that it seems like interrupts are being lost. > >I put kern.timecounter.hardware="i8254" into /boot/loader.conf, but >it didn't make any difference. Are you sure it even works from >loader.conf? From the sources it looks like this is a sysctl rather >than a tunable. I could change it to a tunable, though, if you >think it's worthwhile. It would be rather complicated to make it a tunable. Far easier to go into the ACPI timecounter and just give it a negative quality, that will disable it. I'm not sure why Nate think this will change anything with respect to interrupts, but I pressume he knows what he's talking about. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk_at_FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.Received on Mon Nov 24 2003 - 12:31:04 UTC
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