On 14.03.2023 17:59, Jan Beulich wrote: > On 14.03.2023 17:45, Denis wrote: > > On 14.03.2023 16:37, Jan Beulich wrote: > >> On 14.03.2023 15:53, Denis wrote: > >>> What tests could I do or what info should I provide to help? > >> > >> Boot plain Linux (no Xen underneath) and collect the full set of kernel > >> boot messages (some distros store this at /var/log/boot.msg); "full" > >> meaning we want to be able to see all output regardless of log-level. > > > > I'll attach some files from /var/log. > > Thanks, and there we go: > > [ 0.121463] AMD-Vi: [Firmware Bug]: : No southbridge IOAPIC found > [ 0.121495] AMD-Vi: Disabling interrupt remapping > > It's 5.10, so somewhat old already, but from looking at the code I wouldn't > expect anything else with a newer kernel.
So older versions (be it Kerenel or Xen) didn't look for a secondary Southbridge IOAPIC? If so, was that a change made due to the vulnerabilities in Xen due to passed-through devices? Just asking because age-old distros worked as it seems... Denis