Message boards : ATLAS Application : ATLAS vbox v.1.26
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David Cameron
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Message 7890 - Posted: 24 Nov 2022, 12:50:26 UTC

ATLAS vbox 1.26 was just released which contains some small improvements in handling error conditions in the bootstrap script. v1.20 - 25 were already taken by native versions so that's why there is a jump from 1.19 :)
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Message 7891 - Posted: 24 Nov 2022, 13:33:38 UTC - in response to Message 7890.  
Last modified: 24 Nov 2022, 13:35:53 UTC

Saw a new .vdi for download.
Have v1.26 now for Win11pro.
https://lhcathomedev.cern.ch/lhcathome-dev/show_host_detail.php?hostid=4639
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Message 7892 - Posted: 24 Nov 2022, 15:05:02 UTC - in response to Message 7891.  

2022-11-24 15:38:12 (50468): Guest Log: 00:00:10.013899 timesync vgsvcTimeSyncWorker: Radical guest time change: -3 588 411 243 000ns (GuestNow=1 669 300 692 120 319 000 ns GuestLast=1 669 304 280 531 562 000 ns fSetTimeLastLoop=true )
2022-11-24 15:38:17 (50468): Guest Log: Running cvmfs_config stat atlas.cern.ch
Is this Radical guest time change something important?
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Message 7893 - Posted: 25 Nov 2022, 6:36:03 UTC - in response to Message 7892.  

It's just an info message, not even a warning.
And it's written by the VirtualBox core.

Should go away if the host computer's RTC and every OS (host/guests) is set to use UTC.
More details can be found in this PR:
https://github.com/BOINC/boinc/pull/4631

Vboxwrapper 26206 used here includes that patch but the clock and the regkey must correctly be set once by the user.
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Message 7894 - Posted: 25 Nov 2022, 11:41:47 UTC - in response to Message 7892.  

2022-11-24 08:45:21 (12188): Guest Log: VBoxService 5.2.6 r120293 (verbosity: 0) linux.amd64 (Jan 15 2018 14:51:00) release log
VboxService 5.2.6 from CMS in Production don't show this Radical guest time change.
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Message 7898 - Posted: 26 Nov 2022, 8:32:17 UTC - in response to Message 7894.  

https://www.virtualbox.org/manual/UserManual.html#changetimesync
9.11. Fine Tuning Timers and Time Synchronization
9.11.1. Configuring the Guest Time Stamp Counter (TSC) to Reflect Guest Execution
9.11.2. Accelerate or Slow Down the Guest Clock
9.11.3. Tuning the Guest Additions Time Synchronization Parameters
9.11.4. Disabling the Guest Additions Time Synchronization
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Message boards : ATLAS Application : ATLAS vbox v.1.26


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