dhcpcd-discuss

On 21/10/2019 12:33, Roy Marples wrote:
> On 20/10/2019 23:04, Floris Bos wrote:
> > Played a bit with adding a couple more debug logging statements to 
> > the code.
> >
> >
> > The problem seems to be that after the link local address is added, 
> > the kernel eventually sends you a RTM_NEWADDR event.
> > Upon receipt of the event you add the IPv6 address to your 
> > state->addrs list.
> > After it gets removed the kernel eventually sends a RTM_DELADDR and 
> > you remove it again from the list.
> >
> > The problem is that those events arrive delayed, and we are hitting a 
> > situation in which the RTM_NEWADDR event is not delivered until after 
> > the address has been deleted. And RTM_DELADDR is even lagging further 
> > behind.
> >
> > Since state->addr still has the address in the list, 
> > ipv6_tryaddlinklocal() thinks there is already a link local address, 
> > so does no attempt to add one.
>
> Does this patch help at all?


No difference.


Yours sincerely,

Floris Bos