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qemu-monitor-event command gets stuck randomly
We are using kvm virtualization on our servers, We use "qemu-monitor-command"(drive-backup) to take qcow2 backups and to monitor them we use "qemu-monitor-event" command
For eg:-
/usr/bin/virsh qemu-monitor-event VPSNAME --event "BLOCK_JOB_COMPLETED\|BLOCK_JOB_ERROR" --regex
the above command stucks randomly (backup completes but still it is waiting) and because of which other vms backup are stucked until we kill that process.
Can you suggest how can we debug this further to find the actual issue.
/usr/bin/virsh version
Compiled against library: libvirt 4.5.0
Using library: libvirt 4.5.0
Using API: QEMU 4.5.0
Running hypervisor: QEMU 2.0.0
cat /etc/os-release
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"
CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"
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