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Diffstat (limited to 'results/classifier/118/peripherals/1770417')
| -rw-r--r-- | results/classifier/118/peripherals/1770417 | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/results/classifier/118/peripherals/1770417 b/results/classifier/118/peripherals/1770417 new file mode 100644 index 00000000..3d9ec1d3 --- /dev/null +++ b/results/classifier/118/peripherals/1770417 @@ -0,0 +1,84 @@ +peripherals: 0.950 +graphic: 0.928 +register: 0.919 +device: 0.912 +virtual: 0.895 +permissions: 0.887 +socket: 0.881 +x86: 0.880 +boot: 0.872 +hypervisor: 0.858 +network: 0.854 +performance: 0.852 +mistranslation: 0.848 +architecture: 0.847 +kernel: 0.846 +semantic: 0.845 +debug: 0.843 +user-level: 0.842 +PID: 0.819 +assembly: 0.816 +arm: 0.800 +risc-v: 0.779 +vnc: 0.769 +files: 0.753 +VMM: 0.710 +ppc: 0.671 +TCG: 0.653 +KVM: 0.628 +i386: 0.474 + +Qemu can not parse long fqdns during drive-mirror + +During migration of an openstack booted instance, I got the following error: + +Apr 12 10:55:22 cmp1 libvirtd[4133]: 2018-04-12 10:55:22.133+0000: 4139: error : qemuMonitorJSONCheckError:392 : internal error: unable to execute QEMU command 'drive-mirror': error parsing address 'cmp0.sandriichenko-deploy-heat-virtual-mcp-pike-ovs-76.bud-mk.local:49153' + +A bit more info in libvirt bug https://bugzilla.redhat.com/show_bug.cgi?id=1568939 + +To reproduce it with qemu only, I followed the guide at https://github.com/qemu/qemu/blob/master/docs/interop/live-block-operations.rst#id21. On dest and source compute nodes, I launched an instance: + +qemu-system-x86_64 -display none -nodefconfig -M q35 -nodefaults -m 512 -blockdev node-name=node-TargetDisk,driver=qcow2,file.driver=file,file.node-name=file,file.filename=./test-instance-mirror.qcow2 -device virtio-blk,drive=node-TargetDisk,id=virtio0 -S -monitor stdio -qmp unix:./qmp-sock,server,nowait -incoming tcp:localhost:6666 + +Then on dest node I launched nbd server: + +(qemu) nbd_server_start cmp0:49153 +(qemu) nbd_server_add -w node-TargetDisk + +On the source node: + +(qemu) drive_mirror -n node-TargetDisk nbd:cmp0.vdrok-deploy-heat-virtual-mcp-pike-ovs-foobarbuzz.bud-mk.local:49153:exportname=node-TargetDisk +error parsing address 'cmp0.vdrok-deploy-heat-virtual-mcp-pike-ovs-foobarbuzz.bud-mk.local:49153' + +When using short host name instead of FQDN address seems to be parsed fine: + +(qemu) drive_mirror -n node-TargetDisk nbd:cmp0:49153:exportname=node-TargetDisk qcow2 +Image is not in qcow2 format + +(not sure why it is not a qcow2 format, as I have qcow2 image with raw backing file, but this is unrelated) + +QEMU version is 2.11.1 from bionic + +As Daniel asked in [1] making this abug report against Qemu (upstream). + +[1]: https://bugzilla.redhat.com/show_bug.cgi?id=1568939 + +Ubuntu task is not actionable until we settled on how to change the parsing code for long strings upstream, so I set it to confirmed but wishlist (until we know what size a patch - or actions a recommendation on handling differently has). + +The QEMU project is currently considering to move its bug tracking to +another system. For this we need to know which bugs are still valid +and which could be closed already. Thus we are setting older bugs to +"Incomplete" now. + +If you still think this bug report here is valid, then please switch +the state back to "New" within the next 60 days, otherwise this report +will be marked as "Expired". Or please mark it as "Fix Released" if +the problem has been solved with a newer version of QEMU already. + +Thank you and sorry for the inconvenience. + + +[Expired for QEMU because there has been no activity for 60 days.] + +[Expired for qemu (Ubuntu) because there has been no activity for 60 days.] + |