umip in ubuntu_kvm_unit_test failed on T-3.13 / T-4.4

[Po-Hsu Lin]

This umip test failed on T-3.13 and T-4.4
On X-4.4 this was skipped:
    SKIP umip (qemu-system-x86_64: CPU feature umip not found)

So it looks like a qemu issue to me.

root@gonzo:/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests# TESTNAME=umip TIMEOUT=90s ACCEL= ./x86/run x86/umip.flat -smp 1 -cpu qemu64,+umip
timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel x86/umip.flat -smp 1 -cpu qemu64,+umip # -initrd /tmp/tmp.WBWyPcleSg
CPU feature umip not found
enabling apic
UMIP=0, CPL=0
PASS: no exception from smsw
PASS: no exception from sgdt
PASS: no exception from sidt
PASS: no exception from sldt
PASS: no exception from str
UMIP=0, CPL=3
PASS: no exception from smsw
PASS: no exception from sgdt
PASS: no exception from sidt
PASS: no exception from sldt
PASS: no exception from str
PASS: exception from mov %cr0, %eax
UMIP not available
SUMMARY: 11 tests

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.4.0-143-generic 4.4.0-143.169~14.04.2
ProcVersionSignature: User Name 4.4.0-143.169~14.04.2-generic 4.4.170
Uname: Linux 4.4.0-143-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
Date: Wed Mar 27 11:10:13 2019
SourcePackage: linux-signed-lts-xenial
UpgradeStatus: No upgrade log present (probably fresh install)

[Po-Hsu Lin (cypressyew)]

Found on Azure Trusty 4.15 as well.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1821905

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Guilherme G. Piccoli (gpiccoli)]

Found on T-4.15/Azure, cycle sru-20210531 .

[Krzysztof Kozlowski (krzk)]

Found on 2021.09.27/trusty/linux-azure/4.15.0-1125.138~14.04.1

[Thadeu Lima de Souza Cascardo (cascardo)]

Found on trusty/linux 3.13.0-187 and 3.13.0-188.