Found on 5.11.0-1009.9+21.10.1-kvm
timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 --no-reboot -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel /tmp/tmp.RiE0Ijtuov -smp 1 -cpu max # -initrd /tmp/tmp.G3a4COl6Lh enabling apic PASS: clflush (present) PASS: sfence (present) PASS: lfence (present) PASS: mfence (present) FAIL: clflushopt (ABSENT) FAIL: clwb (ABSENT) PASS: invalid clwb PASS: pcommit (ABSENT) SUMMARY: 8 tests, 2 unexpected failures FAIL memory (8 tests, 2 unexpected failures)
Found on 5.11.0- 1009.9+ 21.10.1- kvm
timeout -k 1s --foreground 90s /usr/bin/ qemu-system- x86_64 --no-reboot -nodefaults -device pc-testdev -device isa-debug- exit,iobase= 0xf4,iosize= 0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel /tmp/tmp.RiE0Ijtuov -smp 1 -cpu max # -initrd /tmp/tmp.G3a4COl6Lh
enabling apic
PASS: clflush (present)
PASS: sfence (present)
PASS: lfence (present)
PASS: mfence (present)
FAIL: clflushopt (ABSENT)
FAIL: clwb (ABSENT)
PASS: invalid clwb
PASS: pcommit (ABSENT)
SUMMARY: 8 tests, 2 unexpected failures
FAIL memory (8 tests, 2 unexpected failures)