Date: Fri, 05 Aug 2005 09:01:33 -0500 From: Eric Anderson <anderson@centtech.com> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: Pending issues Message-ID: <42F3713D.80509@centtech.com> In-Reply-To: <200508021720.45054.jhb@FreeBSD.org> References: <42EFD785.5000409@centtech.com> <200508021648.52520.jhb@FreeBSD.org> <42EFDE40.8030509@centtech.com> <200508021720.45054.jhb@FreeBSD.org>
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John Baldwin wrote: > On Tuesday 02 August 2005 04:57 pm, Eric Anderson wrote: > >>John Baldwin wrote: >> >>>On Tuesday 02 August 2005 04:28 pm, Eric Anderson wrote: >>> >>>>Ok, here's a small list of issues pending that I can see on -current >>>>(and I saw these on 6- branch too before 7.0). >>>> >>>>- Time ticks along correctly, but anything using an interval will be 2x >>>>off. For instance - ping will only send a ping every 2 seconds instead >>>>of every second. systat -vmstat 1 refreshes every 2 seconds, etc. >>>>Disabling APIC 'fixes' it. >>> >>>Are you using the i8254 timecounter or some other timecounter? >> >>kern.timecounter.choice: TSC(800) ACPI-fast(1000) i8254(0) dummy(-1000000) >>kern.timecounter.hardware: ACPI-fast >> >>Which is the default (I'm not forcing anything anywhere). I believe at >>one time I tried i8254, but it made no difference. I can try it again >>if you think it's a worthy experiment. > > > I would try both i8254 and TSC and see if it makes a difference. > Can I do this via sysctl, or do I need to rebuild my kernel? Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------
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