Re: PSA: Clock drift and pkgin
Paul Koning <[email protected]>
| Newsgroups | gmane.os.netbsd.ports.vax |
|---|---|
| Message-ID | <[email protected]> |
> On Dec 16, 2023, at 9:16 PM, Johnny Billquist <[email protected]> wrote: > > For what it's worth, I think these lines also suggest something is wrong with the clock (this run under simh, simulating a VAX8650): > > [ 91.2854336] WARNING: lwp 854 (sh): negative runtime: (-1 + 0xfee8c21d5277ae5a/2^64) sec > [ 91.2854336] WARNING: pid 854 (sh): negative runtime; monotonic clock has gone backwards That would be a different issue, though. If interrupts are lost or clock tick interrupt rates are not accurate, the system time will be wrong. But that would not cause the "monotonic" clock to go backwards. A supposed monotonic value going backwards is just a bug, no matter what the clock source is doing. paul