Am 02/09/2022 um 14:44 schrieb Fiona Ebner:
> The following issue reported on the community forum [0] is likely
> fixed by this.
>
> In my case, loading a VM snapshot that originally was taken on an
> Intel CPU on my AMD-based host often caused problems in other VMs. In
> particular, it often led to CPU stalls, and sometimes clock jumps far
> into the future. With this backport applied, everything seems to run
> smoothly even after loading the "bad" snapshot 10 times.
>
> The backport from upstream commit 11d39e8cc43e ("KVM: SVM: fix tsc
> scaling cache logic consisted of dropping the parts for nested TSC
> scaling, which is not yet present in our kernel, renaming the constant
> for the default ratio, and some context changes.
>
> [0] https://forum.proxmox.com/threads/112756/
>
> Signed-off-by: Fiona Ebner <f.eb...@proxmox.com>
> ---
>
> Changes from v1:
> * Alternative approach backporting the fix of the bad commit.
>
> ...-KVM-SVM-fix-tsc-scaling-cache-logic.patch | 113 ++++++++++++++++++
> 1 file changed, 113 insertions(+)
> create mode 100644
> patches/kernel/0032-KVM-SVM-fix-tsc-scaling-cache-logic.patch
>
>
applied, thanks!
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