On 2/15/19 6:55 AM, Zygmunt Krynicki wrote:
> Wiadomość napisana przez Neal Gompa <ngompa13(a)gmail.com
> <mailto:ngompa13@gmail.com>> w dniu 15.02.2019, o godz. 12:51:
>
> On Fri, Feb 15, 2019 at 4:11 AM Zbigniew Jędrzejewski-Szmek
> <zbyszek(a)in.waw.pl <mailto:zbyszek@in.waw.pl>> wrote:
>>
>> On Thu, Feb 14, 2019 at 08:10:09AM -0500, Daniel Walsh wrote:
>>> I have opened a Change Request to change the defaults for Fedora 31 to
>>> Cgroups V2. I am looking for what packages will be affected by this
>>> change. Basically any package that adjusts Cgroups via the CgroupFS,
>>> my understanding is working the the systemd APIs, you should be fine.
>>>
>>> Packages That I know will be affected:
>>>
>>> Container Tools
>>>
>>> * Runc, Podman, Buildah, Kubernetes, Docker, Moby-engine
>>>
>>> Virtualization tools
>>>
>>> * Libvirt
>>>
>>> Java
>>>
>>> * jvm
>>>
>>> Install
>>>
>>> * Anaconda
>>>
>>>
>>> Anyone know of other packages?
>>
>> Great news!
>>
>> Can you briefly summarize the status / plans / timelines for the
>> affected components?
>> (Apart from anaconda, which doesn't need changes, we'll just flip the
>> default in systemd, as discussed in the other subthread.)
>>
>
> snapd will break in cgroupv2 mode:
>
https://bugzilla.redhat.com/show_bug.cgi?id=1438079
>
> I don't know of anyone working on fixing that…
I think the stance of the snapd team is that once v2 supports freezer
we can have a look at adding the support.
Freezer is supposed to go into Kernel 5.1, I have been told.
There’s a snapd bug tracking this as
well: https://bugs.launchpad.net/snapd/+bug/1801664
I’m happy to work on this issue once it becomes „pressing” and once
the prerequisites are available. If F30 disables v1 entirely and has a
kernel where we can get device, freezer and pid controllers then it’s
„just” a matter of coding.
Device Cgroup is supposed to be done in eBPF, and systemd has an
implementation I believe.
This is for F31 NOT f30. Also you will be able to boot the machine in
V1 mode. We are just talking about the default here.
Best regards
ZK
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