Public bug reported:
Livepatch now checks for the running kernel and let's the user know if
it's unsupported. For example:
```
ubuntu@bionic-livepatch:~$ canonical-livepatch enable foo
2018/05/04 19:55:05 cannot use livepatch: your kernel "4.15.0-1008-kvm" is not
eligible for livepatch updates
```
`ua status`, however, doesn't interpret that yet and just says that livepatch
is disabled:
```
ubuntu@bionic-livepatch:~$ ua status
esm: disabled (not available)
fips: disabled (not available)
livepatch: disabled
```
Furthermore the MOTD component says that livepatch is available for
installation, likely because the status output does not say "not available":
```
* Canonical Livepatch is available for installation.
- Reduce system reboots and improve kernel security. Activate at:
https://ubuntu.com/livepatch
```
`ua enable-livepatch <foo>` also doesn't check and tries to enable it, but it
eventually fails:
```
ubuntu@bionic-livepatch:~$ sudo ua enable-livepatch <token>
Enabling Livepatch with the given token, stand by...
2018/05/04 19:57:17 cannot use livepatch: your kernel "4.15.0-1008-kvm" is not
eligible for livepatch updates
```
We should:
- fix the MOTD when running an unsupported kernel. I suggest to output nothing.
- don't even try to enable livepatch if we are running an unsupported kernel
** Affects: ubuntu-advantage-script
Importance: Unknown
Status: Unknown
** Affects: ubuntu-advantage-tools (Ubuntu)
Importance: Undecided
Status: New
** Bug watch added: github.com/CanonicalLtd/ubuntu-advantage-script/issues #142
https://github.com/CanonicalLtd/ubuntu-advantage-script/issues/142
** Also affects: ubuntu-advantage-script via
https://github.com/CanonicalLtd/ubuntu-advantage-script/issues/142
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/1769258
Title:
Cope with unsupported kernel
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