Public bug reported: This is a new test case added with our kvm-unit-test fork update in last December [1]
Issue found with Openstack AMD64 VM 5.4.0-207.227 Test failed with: FAIL: Single-step #DB w/ STI;HLT Complete test output: Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/debug' BUILD_HEAD=5e4e1811 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.C90VbbD19C -smp 1 # -initrd /tmp/tmp.bZMMRoRU1O enabling apic smp: waiting for 0 APs PASS: DR4==DR6 with CR4.DE == 0 PASS: DR4 read got #UD with CR4.DE == 1 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 #DB basic test PASS: Usermode Single-step #DB basic test PASS: Single-step #DB on emulated instructions PASS: Usermode Single-step #DB on emulated instructions PASS: Single-step #DB w/ STI blocking PASS: Usermode Single-step #DB w/ STI blocking PASS: Single-step #DB w/ MOVSS blocking PASS: Usermode Single-step #DB w/ MOVSS blocking PASS: Single-Step + ICEBP #DB w/ MOVSS blocking PASS: Usermode Single-Step + ICEBP #DB w/ MOVSS blocking PASS: Single-step #DB w/ MOVSS blocking and DR7.GD=1 FAIL: Single-step #DB w/ STI;HLT 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: 23 tests, 1 unexpected failures FAIL debug (23 tests, 1 unexpected failures) I can reproduce this with 5.4.0-204 on an Openstack AMD64 VM as well. [1] https://lists.ubuntu.com/archives/kernel- team/2024-December/156125.html ** Affects: ubuntu-kernel-tests Importance: Undecided Status: New ** Tags: 5.4 amd64 focal sru-20250113 ubuntu-kvm-unit-tests -- You received this bug notification because you are a member of Canonical Platform QA Team, which is subscribed to ubuntu-kernel-tests. https://bugs.launchpad.net/bugs/2095491 Title: ubuntu_kvm_unit_tests/debug failed with "Single-step #DB w/ STI;HLT" Status in ubuntu-kernel-tests: New Bug description: This is a new test case added with our kvm-unit-test fork update in last December [1] Issue found with Openstack AMD64 VM 5.4.0-207.227 Test failed with: FAIL: Single-step #DB w/ STI;HLT Complete test output: Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/debug' BUILD_HEAD=5e4e1811 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.C90VbbD19C -smp 1 # -initrd /tmp/tmp.bZMMRoRU1O enabling apic smp: waiting for 0 APs PASS: DR4==DR6 with CR4.DE == 0 PASS: DR4 read got #UD with CR4.DE == 1 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 #DB basic test PASS: Usermode Single-step #DB basic test PASS: Single-step #DB on emulated instructions PASS: Usermode Single-step #DB on emulated instructions PASS: Single-step #DB w/ STI blocking PASS: Usermode Single-step #DB w/ STI blocking PASS: Single-step #DB w/ MOVSS blocking PASS: Usermode Single-step #DB w/ MOVSS blocking PASS: Single-Step + ICEBP #DB w/ MOVSS blocking PASS: Usermode Single-Step + ICEBP #DB w/ MOVSS blocking PASS: Single-step #DB w/ MOVSS blocking and DR7.GD=1 FAIL: Single-step #DB w/ STI;HLT 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: 23 tests, 1 unexpected failures FAIL debug (23 tests, 1 unexpected failures) I can reproduce this with 5.4.0-204 on an Openstack AMD64 VM as well. [1] https://lists.ubuntu.com/archives/kernel- team/2024-December/156125.html To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2095491/+subscriptions -- Mailing list: https://launchpad.net/~canonical-ubuntu-qa Post to : canonical-ubuntu-qa@lists.launchpad.net Unsubscribe : https://launchpad.net/~canonical-ubuntu-qa More help : https://help.launchpad.net/ListHelp
