Bug 1482515
| Summary: | [Tracing] capturing trace data failed [rhel-7.4.z] | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Oneata Mircea Teodor <toneata> |
| Component: | qemu-kvm-rhev | Assignee: | Stefan Hajnoczi <stefanha> |
| Status: | CLOSED ERRATA | QA Contact: | jingzhao <jinzhao> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 7.4 | CC: | chayang, jinzhao, jsuchane, juzhang, knoel, michen, mtessun, stefanha, virt-maint |
| Target Milestone: | rc | Keywords: | Regression, ZStream |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-kvm-rhev-2.9.0-16.el7_4.5 | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 1463172 | Environment: | |
| Last Closed: | 2017-09-05 11:52:57 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1463172 | ||
| Bug Blocks: | |||
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Description
Oneata Mircea Teodor
2017-08-17 12:56:02 UTC
*** Bug 1482516 has been marked as a duplicate of this bug. *** Fix included in qemu-kvm-rhev-2.9.0-16.el7_4.5 Reproduce the issue on qemu-kvm-rhev-2.9.0-16.el7_4.4.x86_64 and verified it on qemu-kvm-rhev-2.9.0-16.el7_4.5.x86_64, following are detailed steps Version: qemu-kvm-rhev-2.9.0-16.el7_4.5.x86_64 kernel-3.10.0-693.2.1.el7.x86_64 systemtap-3.1-5.el7.x86_64 Steps: 1. cp /usr/share/qemu-kvm/systemtap/script.d/qemu_kvm.stp /etc/systemtap/script.d/ 2. cp /usr/share/qemu-kvm/systemtap/conf.d/qemu_kvm.conf /etc/systemtap/conf.d/ 3. service systemtap start qemu_kvm 4. [root@localhost home]# chkconfig systemtap on [root@localhost home]# service systemtap status qemu_kvm qemu_kvm is running... 5. boot guest with qemu command line [1] 6. staprun -A qemu_kvm >/tmp/trace.log 7. In guest "dd if=/dev/zero of=/home/test.txt bs=1M count=1000" 8.[root@localhost ~]# /usr/share/qemu-kvm/simpletrace.py --no-header /usr/share/qemu-kvm/trace-events-all /tmp/trace.log Actual Result: [root@localhost ~]# /usr/share/qemu-kvm/simpletrace.py --no-header /usr/share/qemu-kvm/trace-events-all /tmp/trace.log monitor_protocol_event_queue 0.000 pid=15469 event=0x15 qdict=0x55df67da2400 rate=0x0 monitor_protocol_event_emit 2.665 pid=15469 event=0x15 data=0x55df67da2400 monitor_protocol_event_queue 13016051.372 pid=15469 event=0x1f qdict=0x55df67da2400 rate=0x0 monitor_protocol_event_emit 2.454 pid=15469 event=0x1f data=0x55df67da2400 monitor_protocol_event_queue 15493.556 pid=15469 event=0x21 qdict=0x55df67da2400 rate=0x0 monitor_protocol_event_emit 2.862 pid=15469 event=0x21 data=0x55df67da2400 monitor_protocol_event_queue 12038065.150 pid=15469 event=0x10 qdict=0x55df67da2400 rate=0x0 monitor_protocol_event_emit 3.290 pid=15469 event=0x10 data=0x55df67da2400 [1] /usr/libexec/qemu-kvm \ -machine q35,smm=on,accel=kvm \ -cpu Haswell-noTSX \ -nodefaults -rtc base=utc \ -m 4G \ -smp 4,sockets=4,cores=1,threads=1 \ -enable-kvm \ -uuid 990ea161-6b67-47b2-b803-19fb01d30d12 \ -k en-us \ -nodefaults \ -serial unix:/tmp/console,server,nowait \ -boot menu=on \ -qmp tcp:0:6667,server,nowait \ -vga qxl \ -chardev file,path=/home/seabios.log,id=seabios -device isa-debugcon,chardev=seabios,iobase=0x402 \ -device pcie-root-port,bus=pcie.0,id=root3 \ -drive file=/home/rhel74.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,werror=stop,rerror=stop \ -device virtio-blk-pci,drive=drive-virtio-disk0,id=virtio-disk0,bus=root3,bootindex=0 \ -device pcie-root-port,bus=pcie.0,id=root0,multifunction=on,chassis=1,addr=0xa.0 \ -device virtio-net-pci,netdev=tap10,mac=9a:6a:6b:6c:6d:6e,bus=root0 -netdev tap,id=tap10 \ -device pcie-root-port,bus=pcie.0,id=root1,chassis=11,addr=0xa.1 \ -device pcie-root-port,bus=pcie.0,id=root2,chassis=12,addr=0xa.2 \ -drive file=/home/block1.qcow2,if=none,id=drive-virtio-disk1,format=qcow2,cache=none,werror=stop,rerror=stop \ -device virtio-blk-pci,drive=drive-virtio-disk1,id=virtio-disk1,bus=root2 \ -monitor stdio \ -vnc :1 \ According to above test result, changed status to verified Thanks Jing Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2017:2628 |