Messages in this thread | | | Date | Thu, 11 Mar 2021 22:40:13 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support |
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On Thu, Mar 11, 2021 at 02:57:04PM -0600, Babu Moger wrote: > It is related PCID and INVPCID combination. Few more details. > 1. System comes up fine with "noinvpid". So, it happens when invpcid is > enabled.
Which system, host or guest?
> 2. Host is coming up fine. Problem is with the guest.
Aha, guest.
> 3. Problem happens with Debian 9. Debian kernel version is 4.9.0-14. > 4. Debian 10 is fine. > 5. Upstream kernels are fine. Tried on v5.11 and it is working fine. > 6. Git bisect pointed to commit 47811c66356d875e76a6ca637a9d384779a659bb. > > Let me know if want me to try something else.
Yes, I assume host has the patches which belong to this thread?
So please describe:
1. host has these patches, cmdline params, etc. 2. guest is a 4.9 kernel, cmdline params, etc.
Please be exact and specific so that I can properly reproduce.
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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