David used "5.6.0-1042.46-oem", the closest I had was "5.6.0-1052-oem"
so I tried that one.
With that my win10 install immediately crashed into the reported issue.
So to summarize:
1. I can reproduce it
2. Chances are high that it is fixed by kernel commit 841c2be0 "kvm: x86:
replace kvm_spec_ctrl_test_value with runtime test on the host"
3. there are some qemu changes which might be related, but we need Babu to
reply about if/how those are related
I need to get myself updated on Ubuntu oem kernels.
If there is a 5.6 series that is supposed to work on that, then this patch
needs to be backported.
But if OTOH it is a valid upgrade path that you'll get the 5.10.0-1020-oem that
I had or later as part of your 20.04 OEM then that "is the fix" for you @David.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.10 (Ubuntu)
Status: New => Fix Released
** Changed in: linux-oem-5.6 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1915063
Title:
Windows 10 wil not install using qemu-system-x86_64
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