On trying to set RPS with a single-core CPU, VyOS CLI returns the following backtrace.
vyos@vyos# set interfaces ethernet eth0 offload rps
[edit]
vyos@vyos# commit
[ interfaces ethernet eth0 ]
VyOS had an issue completing a command.
We are sorry that you encountered a problem while using VyOS.
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https://downloads.vyos.io/rolling/current/amd64/vyos-rolling-latest.iso
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Report Time: 2021-02-07 07:57:53
Image Version: VyOS 1.4-rolling-202102060218
Release Train: sagitta
Built by: autobuild@vyos.net
Built on: Sat 06 Feb 2021 02:18 UTC
Build UUID: c6b504e5-ad7c-4033-b55d-3829b88e3762
Build Commit ID: c4e71fd8f71d10
Architecture: x86_64
Boot via: installed image
System type: KVM guest
Hardware vendor: QEMU
Hardware model: Standard PC (i440FX + PIIX, 1996)
Hardware S/N:
Hardware UUID: 128cca00-c75f-4d69-9f32-f94ab86b804a
OSError: [Errno 22] Invalid argument
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/interfaces-ethernet.py", line 129, in <module>
apply(c)
File "/usr/libexec/vyos/conf_mode/interfaces-ethernet.py", line 118, in apply
e.update(ethernet)
File "/usr/lib/python3/dist-packages/vyos/ifconfig/ethernet.py", line 338, in update
self.set_rps(dict_search('offload.rps', config) != None)
File "/usr/lib/python3/dist-packages/vyos/ifconfig/ethernet.py", line 259, in set_rps
return self.set_interface('rps', rps_cpus)
File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 182, in set_interface
return self._set_sysfs(self.config, name, value)
File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 166, in _set_sysfs
self._sysfs_set[name]['location'].format(**config), value)
File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 132, in _write_sysfs
f.write(str(value))
OSError: [Errno 22] Invalid argument
noteworthy:
cmd 'tc qdisc del dev eth0 handle ffff: ingress; tc qdisc del dev eth0 handle 1: root prio'
returned (out):
returned (err):
Error: Cannot find specified qdisc on specified device.
Error: Invalid handle.
[[interfaces ethernet eth0]] failed
Commit failed