Re: [PATCH v3 48/59] x86/retbleed: Add SKL return thunk

From: Peter Zijlstra
Date: Fri Oct 21 2022 - 05:54:19 EST


On Thu, Oct 20, 2022 at 04:10:28PM -0700, Nathan Chancellor wrote:
> This commit is now in -next as commit 5d8213864ade ("x86/retbleed: Add
> SKL return thunk"). I just bisected an immediate reboot on my AMD test
> system when starting a virtual machine with QEMU + KVM to it (see the
> bisect log below). My Intel test systems do not show this.
> Unfortunately, I do not have much more information, as there are no logs
> in journalctl, which makes sense as the reboot occurs immediately after
> I hit the enter key for the QEMU command.
>
> If there is any further information I can provide or patches I can test
> for further debugging, I am more than happy to do so.

Moo :-(

you happen to have a .config for me?