Messages in this thread | | | From | Miklos Szeredi <> | Date | Fri, 29 May 2020 11:51:30 +0200 | Subject | Re: system time goes weird in kvm guest after host suspend/resume |
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On Thu, May 28, 2020 at 10:43 PM Thomas Gleixner <tglx@linutronix.de> wrote: > > Miklos Szeredi <miklos@szeredi.hu> writes: > > Bisected it to: > > > > b95a8a27c300 ("x86/vdso: Use generic VDSO clock mode storage") > > > > The effect observed is that after the host is resumed, the clock in > > the guest is somewhat in the future and is stopped. I.e. repeated > > date(1) invocations show the same time. > > TBH, the bisect does not make any sense at all. It's renaming the > constants and moving the storage space and I just read it line for line > again that the result is equivalent. I'll have a look once the merge > window dust settles a bit.
Yet, reverting just that single commit against latest linus tree fixes the issue. Which I think is a pretty good indication that that commit *is* doing something.
The jump forward is around 35 minutes; that seems to be consistent as well.
Thanks, Miklos
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