debug in ubuntu_kvm_unit_test failed on 3.13 / 4.4

Bug #1821906 reported by Po-Hsu Lin on 2019-03-27
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
Undecided
Unassigned
linux (Ubuntu)
Undecided
Unassigned
Trusty
Undecided
Unassigned
Xenial
Undecided
Unassigned

Bug Description

This test has failed on:
 * T-3.13:
    - FAIL debug (11 tests, 6 unexpected failures)
 * T-4.4 / X-4.4:
    - FAIL debug (11 tests, 1 unexpected failures)

root@gonzo:/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests# TESTNAME=debug TIMEOUT=90s ACCEL= ./x86/run x86/debug.flat -smp 1
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/debug.flat -smp 1 # -initrd /tmp/tmp.WOQmQkB7bo
enabling apic
PASS: #BP
PASS: hw breakpoint (test that dr6.BS is not set)
PASS: hw breakpoint (test that dr6.BS is not cleared)
PASS: single step
FAIL: single step emulated instructions
PASS: hw watchpoint (test that dr6.BS is not cleared)
PASS: hw watchpoint (test that dr6.BS is not set)
PASS: icebp
PASS: MOV SS + watchpoint + ICEBP
PASS: MOV SS + watchpoint + int $1
PASS: MOV SS + watchpoint + INT3
SUMMARY: 11 tests, 1 unexpected failures

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 11:15:05 2019
SourcePackage: linux-signed-lts-xenial
UpgradeStatus: No upgrade log present (probably fresh install)

Po-Hsu Lin (cypressyew) wrote :
affects: linux-signed-lts-xenial (Ubuntu) → linux (Ubuntu)
tags: added: xenial

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 1821906

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.

Changed in linux (Ubuntu):
status: New → Incomplete
Changed in linux (Ubuntu Trusty):
status: New → Incomplete
Changed in linux (Ubuntu Xenial):
status: New → Incomplete
Po-Hsu Lin (cypressyew) wrote :

Failure on Trusty:
 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 /tmp/tmp.4VEzBBYPcp -smp 1 # -initrd /tmp/tmp.Ef5R8Mt7p5
 enabling apic
 PASS: #BP
 FAIL: hw breakpoint (test that dr6.BS is not set)
 FAIL: hw breakpoint (test that dr6.BS is not cleared)
 FAIL: single step
 FAIL: single step emulated instructions
 FAIL: hw watchpoint (test that dr6.BS is not cleared)
 FAIL: hw watchpoint (test that dr6.BS is not set)
 PASS: icebp
 PASS: MOV SS + watchpoint + ICEBP
 PASS: MOV SS + watchpoint + int $1
 PASS: MOV SS + watchpoint + INT3
 SUMMARY: 11 tests, 6 unexpected failures
 FAIL debug (11 tests, 6 unexpected failures)

Changed in linux (Ubuntu):
status: Incomplete → Confirmed
Changed in linux (Ubuntu Xenial):
status: Incomplete → Confirmed
Changed in linux (Ubuntu Trusty):
status: Incomplete → Confirmed
tags: added: 3.13 4.4 ubuntu-kvm-unit-tests
tags: added: sru-20190701
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