Bug#931636: doesnt bring up virtio interface link with kernel 5.2

Ben Hutchings ben at decadent.org.uk
Tue Jul 9 19:09:10 BST 2019


On Tue, 2019-07-09 at 19:16 +0200, Michael Biebl wrote:
> Am 09.07.19 um 18:44 schrieb Marc Haber:
> > https://bugzilla.kernel.org/show_bug.cgi?id=204099
> > https://bugzilla.kernel.org/show_bug.cgi?id=203769
> > 
> > identify the kernel commit that broke things, 
> 
> See also
> https://lore.kernel.org/netdev/58ac6ec1-9255-0e51-981a-195c2b1ac380@mellanox.com/T/
> 
> but people think this is
> > actually a systemd issue:
> > 
> > https://github.com/systemd/systemd/issues/12784
> 
> I'm not an expert on this matter, so I can't say if networkd is buggy
> here and if the changed kernel behaviour is ok. Would appreciate Ben's
> input on this.

I don't really understand the detail of what's changed, but the kernel
has a strict policy of not breaking user-space (with rare exceptions
being made for security fixes).

So even if this is a bug in systemd-networkd, the kernel should end up
with a workaround for it.

Ben.

> > (with patch)
> 
> Can you test those patches to verify that they fix your issue?
> 
> > Will I have to live with a patched systemd again during the buster
> > cycle, or would that one warrant a systemd update in buster?
> 
> Depends on whether those patches can be sanely backported to v241 or if
> they are too invasive. In the end they have to be acked by the SRM.
> 
> Michael
> 
> 
-- 
Ben Hutchings
The Peter principle: In a hierarchy, every employee tends to rise to
their level of incompetence.


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