Am Thu, 13 May 2021 13:29:32 +0100
schrieb Andrew Cooper <andrew.cooper3@citrix.com>:

> Can we first establish whether this box really does, or does not, have NX ?

According to lscpu of a native boot: no.

Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                8
On-line CPU(s) list:   0-7
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             2
NUMA node(s):          2
Vendor ID:             AuthenticAMD
CPU family:            16
Model:                 2
Model name:            Quad-Core AMD Opteron(tm) Processor 2356
Stepping:              3
CPU MHz:               2300.057
BogoMIPS:              4600.11
Virtualization:        AMD-V
L1d cache:             64K
L1i cache:             64K
L2 cache:              512K
L3 cache:              2048K
NUMA node0 CPU(s):     0,2,4,6
NUMA node1 CPU(s):     1,3,5,7
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall mmxex
t fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid pni monitor cx16 popcnt lahf_lm cmp_
legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs hw_pstate vmmcall npt lbrv svm_lock

Olaf