Ticket #4018 (closed defect: fixed)

Opened 10 years ago

Last modified 8 years ago

Timesync too slow => Fixed in SVN

Reported by: marche1990 Owned by:
Component: guest additions Version: VirtualBox 2.2.2
Keywords: timesync service Cc:
Guest type: Solaris Host type: Mac OS X


The VBoxService on OpenSolaris or Solaris does not bring the time forward after restoring the vm state from save file.

The service is running and starts to bring the time forward in the calculated manner, but this is way to slow for a large time differnce. Why doe sthe service not runn the same way as the windows or linux versions which immediatlly on resume resync the time to the host?

Any output that yo uwould like i can supply Regards Martin

Change History

comment:1 Changed 10 years ago by jrose

This (annoying) problem happens after sleeping my MacBook, too. To reproduce, synchronize the date on your OS guest, close your laptop for five minutes, open it, and observe that the OS guest has lost that time.

comment:2 Changed 9 years ago by frank

Confirmed. The next release will contain a trigger of 20 minutes. If the time difference is bigger, the guest time will be set directly without any smooth adjustment.

comment:3 Changed 9 years ago by wfiveash

Why 20 minutes? If one is using Kerberos for authentication, a 5 minute difference is a problem.

comment:4 Changed 9 years ago by frank

This is not yet the end of the story. That 20 minutes difference should normally not happen and setting the time hard causes other problems. The correct solution is to notify the guest when it was started from a saved state so the guest can properly warp the time in that case. Note that this 20 minutes delay can be tuned, see the user manual section 9.10.3.

comment:5 Changed 8 years ago by frank

  • Summary changed from Timesync too slow to Timesync too slow => Fixed in SVN

The next maintenance release will re-synchronize the guest time with the host immediately after the guest was restored from a saved state. Make sure to update the guest additions.

comment:6 Changed 8 years ago by sandervl73

  • Status changed from new to closed
  • Resolution set to fixed
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