Bug 1191226
| Summary: | libvirt requires rtc-reset-reinjection command, backport it to RHEL7.1 | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Marcelo Tosatti <mtosatti> |
| Component: | qemu-kvm | Assignee: | Marcelo Tosatti <mtosatti> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 7.1 | CC: | hhuang, huding, juzhang, lmiksik, mprivozn, mrezanin, qzhang, rbalakri, scui, virt-maint, xfu |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-kvm-1.5.3-102.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-11-19 04:58:27 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
|
Description
Marcelo Tosatti
2015-02-10 18:19:43 UTC
Marcelo asked me to confirm whether this is needed. Yes it is. The idea is that virDomainSetTime() uses guest agent to set/sync guest time. In that case, we must reset RTC reinjection otherwise both correction techniques will be used resulting in guest time drifting again. Therefore, at the beginning of the API libvirt checks if qemu supports the monitor command and if not, whole API is rejected. Fix included in qemu-kvm-1.5.3-102.el7 Reproduced on qemu-kvm-1.5.3-101.el7.x86_64:
{ 'execute' : 'qmp_capabilities' }
{"return": {}}
{ "execute": "rtc-reset-reinjection" }
{"error": {"class": "CommandNotFound", "desc": "The command rtc-reset-reinjection has not been found"}}
Verified on qemu-kvm-1.5.3-102.el7.x86_64:
1. boot guest
2. in qmp, run:
{ 'execute' : 'qmp_capabilities' }
{"return": {}}
{ "execute": "rtc-reset-reinjection" }
{"return": {}}
3. reboot guest, guest works correctly.
CMD:
/usr/libexec/qemu-kvm -enable-kvm -M pc -smp 4 -m 4G -name rhel6.3-64 -uuid 3f2ea5cd-3d29-48ff-aab2-23df1b6ae213 -drive file=/root/nfs/RHEL-Server-7.1-64-virtio.qcow2,cache=none,if=none,rerror=stop,werror=stop,id=drive-virtio-disk0,format=qcow2,aio=native -device virtio-blk-pci,drive=drive-virtio-disk0,id=device-virtio-disk0,bootindex=1 -netdev tap,script=/etc/qemu-ifup,id=netdev0 -device virtio-net-pci,netdev=netdev0,id=device-net0,mac=aa:54:00:11:22:33 -boot order=cd -monitor stdio -readconfig nfs/ich9-ehci-uhci.cfg -device usb-tablet,id=input0 -chardev socket,id=s1,path=/tmp/s1,server,nowait -device isa-serial,chardev=s1 -monitor tcp::1234,server,nowait -vga qxl -global qxl-vga.revision=3 -spice port=5920,disable-ticketing -global PIIX4_PM.disable_s3=0 -global PIIX4_PM.disable_s4=0 -vnc :10 -qmp tcp:0:5555,server,nowait
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://rhn.redhat.com/errata/RHBA-2015-2213.html |