** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1760069
Title:
qemu-system-aarch64: Unable to determine GIC version supported by host
Status in linux package in Ubuntu:
New
Status in linux-hwe-edge package in Ubuntu:
New
Bug description:
I found this issue on a linux-hwe-edge arm64 Moonshot node.
With Xenial + 4.15 HWE Edge kernel, most of the tests in the kvm-unit-test
will be skipped:
Running './run_tests.sh -v'
SKIP selftest-setup (KVM acceleration is probably not supported)
SKIP selftest-vectors-kernel (KVM acceleration is probably not supported)
SKIP selftest-vectors-user (KVM acceleration is probably not supported)
SKIP selftest-smp (KVM acceleration is probably not supported)
SKIP pci-test (KVM acceleration is probably not supported)
SKIP pmu (KVM acceleration is probably not supported)
TESTNAME=gicv2-ipi TIMEOUT=90s ACCEL= ./arm/run arm/gic.flat -smp
$((($MAX_SMP < 8)?$MAX_SMP:8)) -machine gic-version=2 -append 'ipi'
FAIL gicv2-ipi (timeout; duration=90s)
SKIP gicv3-ipi (qemu-system-aarch64: KVM is currently required for GICv3
emulation)
TESTNAME=gicv2-active TIMEOUT=90s ACCEL= ./arm/run arm/gic.flat -smp
$((($MAX_SMP < 8)?$MAX_SMP:8)) -machine gic-version=2 -append 'active'
PASS gicv2-active (1 tests)
SKIP gicv3-active (qemu-system-aarch64: KVM is currently required for GICv3
emulation)
SKIP psci (KVM acceleration is probably not supported)
SKIP timer (KVM acceleration is probably not supported)
But with Xenial + 4.13 HWE kernel, it's very different:
Running './run_tests.sh -v'
TESTNAME=selftest-setup TIMEOUT=90s ACCEL= ./arm/run arm/selftest.flat -smp
2 -m 256 -append 'setup smp=2 mem=256'
PASS selftest-setup (2 tests)
TESTNAME=selftest-vectors-kernel TIMEOUT=90s ACCEL= ./arm/run
arm/selftest.flat -smp 1 -append 'vectors-kernel'
PASS selftest-vectors-kernel (2 tests)
TESTNAME=selftest-vectors-user TIMEOUT=90s ACCEL= ./arm/run
arm/selftest.flat -smp 1 -append 'vectors-user'
PASS selftest-vectors-user (2 tests)
TESTNAME=selftest-smp TIMEOUT=90s ACCEL= ./arm/run arm/selftest.flat -smp
$MAX_SMP -append 'smp'
PASS selftest-smp (9 tests)
TESTNAME=pci-test TIMEOUT=90s ACCEL= ./arm/run arm/pci-test.flat -smp 1
PASS pci-test (1 tests)
TESTNAME=pmu TIMEOUT=90s ACCEL= ./arm/run arm/pmu.flat -smp 1
FAIL pmu (3 tests, 3 unexpected failures)
TESTNAME=gicv2-ipi TIMEOUT=90s ACCEL= ./arm/run arm/gic.flat -smp
$((($MAX_SMP < 8)?$MAX_SMP:8)) -machine gic-version=2 -append 'ipi'
PASS gicv2-ipi (3 tests)
SKIP gicv3-ipi (qemu-system-aarch64: Initialization of device kvm-arm-gicv3
failed: error creating in-kernel VGIC: No such device)
TESTNAME=gicv2-active TIMEOUT=90s ACCEL= ./arm/run arm/gic.flat -smp
$((($MAX_SMP < 8)?$MAX_SMP:8)) -machine gic-version=2 -append 'active'
PASS gicv2-active (1 tests)
SKIP gicv3-active (qemu-system-aarch64: Initialization of device
kvm-arm-gicv3 failed: error creating in-kernel VGIC: No such device)
TESTNAME=psci TIMEOUT=90s ACCEL= ./arm/run arm/psci.flat -smp $MAX_SMP
PASS psci (4 tests)
TESTNAME=timer TIMEOUT=2s ACCEL= ./arm/run arm/timer.flat -smp 1
If you run the command "TESTNAME=selftest-setup TIMEOUT=90s ACCEL= ./arm/run
arm/selftest.flat -smp 2 -m 256 -append 'setup smp=2 mem=256'" with 4.15 HWE
Edge kernel it will give you more detail:
$ sudo TESTNAME=selftest-setup TIMEOUT=90s ACCEL= ./arm/run arm/selftest.flat
-smp 2 -m 256 -append 'setup smp=2 mem=256'
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/selftest.flat -smp 2 -m 256 -append
setup smp=2 mem=256 # -initrd /tmp/tmp.WHgJW7rhMI
qemu-system-aarch64: Unable to determine GIC version supported by host
KVM acceleration is probably not supported
It's a bit weird to see a passed test change into a skip one.
qemu-system-arm 1:2.5+dfsg-5ubuntu10
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.15.0-13-generic 4.15.0-13.14~16.04.1
ProcVersionSignature: User Name 4.15.0-13.14~16.04.1-generic 4.15.10
Uname: Linux 4.15.0-13-generic aarch64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: arm64
Date: Fri Mar 30 03:22:36 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-hwe-edge
UpgradeStatus: No upgrade log present (probably fresh install)
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