Re: KCSAN + KVM = host reset

Paolo Bonzini
2020-04-08T21:25:57Z

On 08/04/20 22:59, Qian Cai wrote:
> Running a simple thing on this AMD host would trigger a reset right away.
> Unselect KCSAN kconfig makes everything work fine (the host would also
> reset If only "echo off > /sys/kernel/debug/kcsan” before running qemu-kvm).

Is this a regression or something you've just started to play with? (If
anything, the assembly language conversion of the AMD world switch that
is in linux-next could have reduced the likelihood of such a failure,
not increased it).

Paolo