On 13-04-19 15:29, Achim Gratz via devel wrote: > Udo van den Heuvel via devel writes: >> Fedora 29, kernel.org 4.19.30. (my compile) > > Is this a "tickless" kernel perhaps? If so, try "nohz=off" on the > kernel command line in the boot manager and see if that helps.
# grep HZ .config|grep -v ^# CONFIG_NO_HZ_COMMON=y CONFIG_NO_HZ_IDLE=y CONFIG_HZ_250=y CONFIG_HZ=250 tickless does not go with PPS support... >> AMD Ryzen 5 2400G with Radeon Vega Graphics > > While Raven Ridge should fully work with 4.19, there were mutiple fixes > for covering all sorts of things in later kernels. I'm not sure how > many of these got backported by the Fedora folks, My kernel is from kernel.org and compiled by me. > the latest BIOS installed. I need faster memory for later BIOS. Perhaps later this year. >> clocksource is fixed at hpet since the previous situations where clock >> sync was weird/gone/etc. > > That likely wasn't your real problem then, and switching to HPET just > has made it less easy to detect. !? What /was/ the problem in that case? With tsc there was no real sync to pps. With hpet we do have sync to pps. Udo _______________________________________________ devel mailing list devel@ntpsec.org http://lists.ntpsec.org/mailman/listinfo/devel