Messages in this thread | | | Date | Wed, 02 Dec 1998 14:22:44 -0500 | From | Philip Gladstone <> | Subject | Re: Time problems... |
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This isn't the old interaction with the PC speaker sound driver is it?
Philip
Riley Williams wrote: > > Hi there. > > > Whatever it is, it's been consistent across 2.0.33 - 2.0.36 and it > > *didn't* happen on my older system (486DX2/66) with 2.0.33 kernel > > --- but I've only observed it on Red Hat 5 and to date I haven't > > had an RH5 install on the older system (it ran RH4 for over a year > > without showing any such symptom, but the same applies to some > > older ECE systems including some with hardware identical to the > > ones that have severe clock drift). > > > The other thing about it is that it's not just lost interrupts: > > the systems are as apt to *gain* time, instead of losing it, again > > enough to make Kerberos upset (I've seen them gain 10 minutes over > > 5 minutes of wall time). Again, I haven't been able to correlate > > gain vs. loss (or amount thereof) to any particular program or > > device/driver. > > I don't have kernel sources handy to look through, but the above > sounds suspiciously like something's reprogramming the timer interrupt > frequency from under us, with the result that the system is getting > timer interrupts at the wrong rate - that would explain all of the > above symptoms in one go... > > Alan: Can you have a peek through whatever patches RH use in the > relevant RPM's and check whether there's anything in there that may be > causing this sort of effect? I doubt it, but it's something that needs > checking, especially if this is a RH specific problem as is apparently > being reported. > > Best wishes from Riley. > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/
-- Philip Gladstone +1 781 530 2461 Raptor Systems / Axent Technologies Waltham, MA http://www.raptor.com/[unhandled content-type:application/x-pkcs7-signature] | |