** Changed in: linux-kvm (Ubuntu Jammy)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2073973
Title:
Add eBPF support to ubuntu:22.04 -kvm variant kernel
Status in cloud-images:
New
Status in linux-kvm package in Ubuntu:
New
Status in linux-kvm source package in Jammy:
In Progress
Bug description:
We are trying to get eBPF to work for microk8s in the LXD's
`ubuntu:22.04` images which use the `-kvm` variant.
With this kernel we are getting this error:
level=warning msg="Unable to ensure that BPF JIT compilation is enabled. This
can be ignored when Cilium is running inside non-host network namespace (e.g.
with kin
d or minikube)" error="could not open the sysctl file
/host/proc/sys/net/core/bpf_jit_enable: open
/host/proc/sys/net/core/bpf_jit_enable: no such file or directory
" subsys=sysctl sysParamName=net.core.bpf_jit_enable sysParamValue=1
We've confirmed this works fine in the 22.04 generic kernel, so please
can we have similar eBPF support in the `-kvm` variant kernel.
Suspect we need these config options enabled:
```
CONFIG_BPF_SYSCALL=y
CONFIG_BPF_JIT=y
```
It would also be useful to ensure that the kernel config is available in
/proc/config.gz or /boot/config (if not already) so that applications can
discover which config options are enabled.
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