re: timecounter went backward?

[matthew green <mrg%eterna23.net@localhost>]

Valery Ushakov writes:
> Dusted off my Mr.Coffee and with the current'ish current (10.99.11) I
> consistently get:
>
>   timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
>   WARNING: lwp 6 (system softser/0) flags 0xa0000060: timecounter went backwards from (1 + 0x6fbb9cf8d9d031d9/2^64) sec to (1 + 0x6d30ad462eedd6d3/2^64) sec 
> in netbsd:mi_switch+0x4c
>
> Anything to investigate/fix here?  (Though not immediately, I loaned
> that mr.coffee out and my other one is in storage and will take a bit
> of time to retrieve).

i never figured out how to stop this one.

https://mail-index.netbsd.org/source-changes/2018/01/12/msg091064.html

> - add a hard-workaround for never allowing returning a smaller
>   value (except during 32 bit overflow): if the result is less than"

this is the case where 32-bit over flow happens, IIRC.

if you can figure it out that woud be awesome, but it does not seem
to be a real problem.

thanks.


.mrg.