Re: NetworkManager instead of Wicd in ‘%desktop-services’?

[ludo@gnu.org (Ludovic Courtès)]

Adam Van Ymeren <adam@vany.ca> skribis:

> Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
>
>> ludo@gnu.org (Ludovic Courtès) writes:
>>
>>> Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
>>>
>>>> I've noticed the same (lack of DNS resolution) following a reboot for
>>>> some minutes and was also wondering what was causing this. I'm using
>>>> wicd as part of the %desktop-services, so that specific problem is
>>>> probably not related to NetworkManager.
>>>
>>> Our default nscd config caches lookup failures for 20 seconds by default
>>> (see ‘nscd-cache’ in the manual.)  So if you look up a host before
>>> networking is up, and it fails, then there’s a window during which
>>> lookup will keep failing.
>>>
>>> I don’t know if that explains what you’re seeing.
>>
>> It can take much longer than 20 s upon a reboot to have the name
>> resolution working again (more than 5 minutes), so that doesn't seem to
>> explain it by itself.
>
> Most of the time I have to restart my applications like icecat of emacs
> when my network settings change.  I'm using wpa_supplicant and dhclient
> by hand rather than wicd.
>
> Something somewhere is caching network information longer than it should
> be.

Could you try after running “sudo herd stop nscd”?

nscd caches host name lookups, so if you switch, say, to a captive
portal, you have to turn nscd off.

Ludo’.