Bug#903821: 4.9.110-1 Xen PV boot workaround

2018-07-16 Thread Michael J. Redd
I've tested the workaround successfully. Added `pti=off` to my kernel's boot arguments, updated GRUB, and it started as intended. BenoƮt, Just to be sure, since you're loading your guests' kernels directly like that, you're passing pti=off via the `extra` config line in your domU config files, ri

Bug#903821: 4.9.110-1 Xen PV boot workaround

2018-07-16 Thread Hans van Kranenburg
Reportedly, adding pti=off to the kernel boot parameters will work around the issue for now. Turning off pti in the guest kernel is done in any case for PV. The issue between 4.9.107 and 4.9.111 affects the detection and turning off of pti, that's why forcing it off helps. In 4.9.112 it's fixed i