Am 19.03.25 um 16:51 schrieb Paolo Bonzini:
> On Wed, Mar 19, 2025 at 4:47 PM Fiona Ebner <f.eb...@proxmox.com> wrote:
>> We'll only be able to disable it starting from a new (downstream)
>> machine version, but that is fine. For now, I'll go for the revert,
>> thank you for the suggestion! Is disabling it strongly suggested because
>> of those bug reports? Or are there issues in general?
> 
> No, the bug reports are really just for corner cases and there are no
> huge issues. However, both Linux and Windows give the HPET a
> relatively high priority that it probably does not deserve. :)
> 
> For Linux you should be using kvmclock already, and for Windows the
> Hyper-V paravirtualized clock. If you don't have the Hyper-V pv clock,
> the RTC periodic timer is more battle-tested as an emulated
> clock/timer device; disabling the HPET ensures that Windows uses the
> RTC.

Good to know! Right, for Windows guests, we actually already disable HPET :)

Best Regards,
Fiona


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