[Bug 256781] EC2 Nitro: TSC-low timecounter lags

2021-09-10 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256781 --- Comment #25 from Colin Percival --- Martin: Can you try the latest 14-CURRENT AMI, and confirm that setting kern.timecounter.hardware=kvmclock fixes it? -- You are receiving this mail because: You are the assignee for the bug.

[Bug 256781] EC2 Nitro: TSC-low timecounter lags

2021-09-10 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256781 --- Comment #26 from martin.stoya...@vertalo.com --- (In reply to Colin Percival from comment #25) You mean ami-0c69868f578f6cc8a with this description - "FreeBSD/amd64 main@58a7bf124cc"?(In reply to Colin Percival from comment #25) -- You

[Bug 256781] EC2 Nitro: TSC-low timecounter lags

2021-09-10 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256781 --- Comment #27 from Colin Percival --- Yep, that's the one. -- You are receiving this mail because: You are the assignee for the bug.

[Bug 256781] EC2 Nitro: TSC-low timecounter lags

2021-09-10 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256781 --- Comment #28 from martin.stoya...@vertalo.com --- Created attachment 227814 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=227814&action=edit dmesg.boot - 14.0-CURRENT -- You are receiving this mail because: You are the assig

[Bug 256781] EC2 Nitro: TSC-low timecounter lags

2021-09-10 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256781 --- Comment #29 from martin.stoya...@vertalo.com --- (In reply to Colin Percival from comment #27) Setting kvmclock seems to work as expected: root@freebsd:~ # sysctl kern.timecounter.hardware=kvmclock kern.timecounter.hardware: TSC-low ->

[Bug 256781] EC2 Nitro: TSC-low timecounter lags

2021-09-10 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256781 --- Comment #30 from Colin Percival --- (In reply to martin.stoyanov from comment #29) Thanks for testing -- indeed, reproducing the original issue seems difficult (I was never able to reproduce it myself). But my contacts at Amazon say th