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Re: [Qemu-devel] Qemu the right way -[Subthread Cores]

From: Andrew Randrianasulu
Subject: Re: [Qemu-devel] Qemu the right way -[Subthread Cores]
Date: Thu, 27 Dec 2018 14:21:34 +0300
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> Since I do not have networking sorted out yet I cannot update win7 pro, and 
> it 
might be the updates which are needed for allowing more than two cpus.

hm, brief search on my side resulted in this tip:


Some recommendations (in Windows, make sure you are running as Administrator):
- Run MSConfig -> Change to Boot tab -> Advanced Options -> "Number of 
Processors", make sure there is no check mark.
- Delete processor entries listed in Device Manager, then reboot.


(I don't think BIOS options from this answer really apply directly to qemu case)

also, if win (or some applications inside it) keep crashing with -cpu host, you 
can try to reload host (Linux) kvm module with additional option:

"options kvm ignore_msrs=1" line (without quotes) should be added to


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