[Bug 1696981] Re: fixrtc is ineffective when there is no battery for the RTC

[Stefan Bader]

I was reviewing the latest patch and beside of this part being modified (@Ogra, would you be fine with that? And btw Jan 1 2017 is a Saturday), I am not fully understanding what exactly looking at file dates gains. The date will be less wrong but still potentially off by days. The system date would be corrected via NTP and I believe that would also update the RTC (which without a battery is lost again).
Could you elaborate what would be gained by using the file date compared to possibly just extending ogra's patch to move anything before the year x or without a date to an artificial year x?

** Changed in: initramfs-tools (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1696981

Title:
  fixrtc is ineffective when there is no battery for the RTC

Status in initramfs-tools package in Ubuntu:
  Incomplete

Bug description:
  When there is no battery for the RTC, fixrtc is not able to find a
  good enough date. To fix the clock, this script is using the last time
  the root filesystem was mounted, but as that is done before there is
  any network, and as after a reboot/poweroff the RTC time is always
  reset (because time is not kept due to lack of battery), the mount
  time will never be good.

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