Re: different time in host/quest

[Jakob Bohm]

On 16/08/2020 11:35, Valery Reznic wrote:
> Hello. My host is Fedora 32 x86_64. qemu is 4.2.0 When I run Fedora 
> Core 3 i386 or x86_64 on under qemu time in the VM is 3 hours behind 
> time on the host.
> When I running Fedora 12 of Fedora 29 under same qemu time in the VM 
> is OK.
>
> It's not a problem with timezones:
> 1. Time zones on all VMs and host are same.
> 2. I also checked UTC time
>
> I wonder what may be a reason for such behaviour.
> By the way, when I add '-rtc base=<current_host_time>' to the qemu 
> invocation for FC3 it fixed problem with the difference in the 
> host/guest times.
>
> Valery

Maybe qemu sets the emulated (guest) battery RTC to local time (as 
required by Microsoft operating systems), while your Fedora guest 
assumes it is set to UTC, as is common for Linux systems.

Perhaps there is a qemu option to choose between local and UTC guest RTC 
emulation.

Enjoy

Jakob
--
Jakob Bohm, CIO, Partner, WiseMo A/S.  http://www.wisemo.com
Transformervej 29, 2860 Soborg, Denmark.  Direct +45 31 13 16 10
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