Bug#989122: exim4: takes 10 seconds to accept connections after waking up on another network

[Marc Haber]

On Wed, May 26, 2021 at 11:52:10PM +0200, Rémi Letot wrote:
> getsockname(6, {sa_family=AF_INET6, sin6_port=htons(25), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, [28]) = 0
> clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7faf36b64c50) = 706004
> close(6)                                = 0
> close(7)                                = 0
> select(6, [3 4 5], NULL, NULL, NULL
> 
> waits 10 seconds here

Is your IPv6 setup ok? Do you have ::1 on lo? Are the IPv6 specific
entries for localhost present in /etc/hosts? Is your local resolver
configured to use /etc/hosts?

Greetings
Marc

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