On 9/15/20 2:13 PM, Michal Suchánek wrote: > Hello, > > Using the SLB mutihit injection test module (which I did not write so I > do not want to post it here) to verify updates on my 5.3 frankernekernel > I found that the kernel crashes with Oops: kernel bad access. > > I tested on latest upstream kernel build that I have at hand and the > result is te same (minus the message - nothing was logged and the kernel > simply rebooted).
Yes, SLB multihit recovery is broken upstream. Fix is on the way. > > Since the whole effort to write a real mode MCE handler was supposed to > prevent this maybe the SLB injection module should be added to the > kernel selftests? Yes. We are working on adding SLB injection selftest patches will be posted soon. Thanks, -Mahesh. > > Thanks > > Michal >