On 13/05/2021 14:00, Olaf Hering wrote: > Am Thu, 13 May 2021 13:29:32 +0100 > schrieb Andrew Cooper <andrew.coop...@citrix.com>: > >> Warning: NX (Execute Disable) protection not active > There was a knob in the BIOS, it was set to "Disabled" for some reason. > Once enabled, the flag is seen and the dom0 starts fine. > > If Xen is booted with 'cpuid=no-nx', the dom0 crashes again. > > Thanks for the help, Andrew.
Well - I wouldn't say we're quite done yet. Clearly between sle12sp3 and sle12sp4 you've picked up a regression where Linux decides to use NX despite its absence. If NX is a mandatory feature now, then dom0 ought to error out cleanly stating this fact. ~Andrew
