This failure could be found on both Moonshot and Cavium ThunderX ARM64 systems.
Steps: 1. Install necessary packages 2. git clone --depth=1 https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git 3. cd kvm-unit-tests; ./configure; make 4. TESTNAME=pmu TIMEOUT=90s ACCEL= ./arm/run arm/pmu.flat -smp 1
Result: timeout -k 1s --foreground 90s /usr/bin/qemu-system-aarch64 -nodefaults -machine virt,gic-version=host,accel=kvm -cpu host -device virtio-serial-device -device virtconsole,chardev=ctd -chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel arm/pmu.flat -smp 1 # -initrd /tmp/tmp.H8ucGrg46U
INFO: PMU version: 3 INFO: pmu: PMU implementer/ID code/counters: 0(" ")/0/0 FAIL: pmu: Control register Read 0 then 0. FAIL: pmu: Monotonically increasing cycle count instrs : cycles0 cycles1 ... 4: 0 cycles not incrementing! FAIL: pmu: Cycle/instruction ratio SUMMARY: 3 tests, 3 unexpected failures
ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.13.0-36-generic 4.13.0-36.40~16.04.1 ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13 Uname: Linux 4.13.0-36-generic aarch64 ApportVersion: 2.20.1-0ubuntu2.15 Architecture: arm64 Date: Thu Feb 22 08:29:15 2018 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: linux-hwe UpgradeStatus: No upgrade log present (probably fresh install)
This failure could be found on both Moonshot and Cavium ThunderX ARM64 systems.
Steps: /git.kernel. org/pub/ scm/virt/ kvm/kvm- unit-tests. git
1. Install necessary packages
2. git clone --depth=1 https:/
3. cd kvm-unit-tests; ./configure; make
4. TESTNAME=pmu TIMEOUT=90s ACCEL= ./arm/run arm/pmu.flat -smp 1
Result: qemu-system- aarch64 -nodefaults -machine virt,gic- version= host,accel= kvm -cpu host -device virtio- serial- device -device virtconsole, chardev= ctd -chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel arm/pmu.flat -smp 1 # -initrd /tmp/tmp.H8ucGrg46U
timeout -k 1s --foreground 90s /usr/bin/
INFO: PMU version: 3
INFO: pmu: PMU implementer/ID code/counters: 0(" ")/0/0
FAIL: pmu: Control register
Read 0 then 0.
FAIL: pmu: Monotonically increasing cycle count
instrs : cycles0 cycles1 ...
4: 0
cycles not incrementing!
FAIL: pmu: Cycle/instruction ratio
SUMMARY: 3 tests, 3 unexpected failures
ProblemType: Bug 4.13.0- 36-generic 4.13.0- 36.40~16. 04.1 ature: Ubuntu 4.13.0- 36.40~16. 04.1-generic 4.13.13 256color
DistroRelease: Ubuntu 16.04
Package: linux-image-
ProcVersionSign
Uname: Linux 4.13.0-36-generic aarch64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: arm64
Date: Thu Feb 22 08:29:15 2018
ProcEnviron:
TERM=xterm-
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-hwe
UpgradeStatus: No upgrade log present (probably fresh install)