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chrony: rtcsync as a default is a bad idea (disables RTC drift rate tracking) #4571

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Artoria2e5 opened this issue Jun 8, 2023 · 1 comment
Open

chrony: rtcsync as a default is a bad idea (disables RTC drift rate tracking) #4571

Artoria2e5 opened this issue Jun 8, 2023 · 1 comment

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@Artoria2e5
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Artoria2e5 commented Jun 8, 2023 •
edited

Bug description

We currently have

aosc-os-abbs/app-admin/chrony/autobuild/beyond

Line 4 in 5e94a4b

echo -e "\n# Enable kernel RTC sync\nrtcsync" >> "$PKGDIR"/etc/chrony.conf

This degrades precision because this turns off RTC drift rate tracking.

Steps to reproduce

  • run chronyd somehow
  • run chronyc
  • type "rtcdata"

Update channel(s)

stable

Package and version

Same as last time

Recommended fix:

Instead of rtcsync, write rtcfile /var/lib/chrony/rtc\nrtcautotrim 1.
@Artoria2e5
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Huuuuhhhh you know, there's actually a lot of defaults that aren't making sense right now. Like

  • we don't even have a server to use
  • adjtime somehow has no compiled-in default
  • this rtc stuff
  • hwtimestamp not on by default

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@Artoria2e5