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Bug
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Resolution: Unresolved
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Undefined
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rhel-9.5
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None
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None
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sst_virtualization
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ssg_virtualization
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5
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Dev ack
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False
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None
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None
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None
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None
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10.7.0
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None
What were you trying to do that didn't work?
Big inbound value such as 100000000000000000kbps does not fit into 64 bits as tc stores values in bps internally. Worse, some values were stored in 32 bits (in older version of iproute).
Please provide the package NVR for which bug is seen:
libvirt-10.4.0-1.el9.x86_64
libvirt-10.4.0-1.el10.x86_64
How reproducible:
100%
Steps to reproduce
- start a vm with big qos value which does not fit into 64 bits as tc stores values in bps internally, reports error:
<interface type="network"> <mac address="52:54:00:f2:fe:d6"/> <source network="default"/> <bandwidth> <inbound average="100000000000000000" peak="5000" burst="1024"/> </bandwidth> <model type="virtio"/> <address type="pci" domain="0x0000" bus="0x01" slot="0x00" function="0x0"/> </interface> # virsh start avocado-vt-vm1 error: Failed to start domain 'avocado-vt-vm1' error: internal error: Child process (tc class add dev vnet1 parent 1: classid 1:1 htb rate 100000000000000000kbps ceil 5000kbps burst 1024kb quantum 4294967295) unexpected exit status 1: "rate" is required. 2024-06-26 07:02:01.320+0000: 136091: error : virCommandWait:2773 : internal error: Child process (tc class add dev vnet1 parent 1: classid 1:1 htb rate 100000000000000000kbps ceil 5000kbps burst 1024kb quantum 4294967295) unexpected exit status 1: "rate" is required.
Expected results
Reject such big value when 'virsh define' or 'virsh start', before parsing to tc.
Actual results
Additional info:
It can not be added by 'virsh edit' or pass 'virt-xml-validate'.
- is blocked by
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RHEL-50574 Rebase libvirt in RHEL-9.6.0
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- Planning
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- links to
