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    SubjectRe: [PATCH v6 00/12] SVM cleanup and INVPCID feature support
    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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