Hi, On August 2, 2017 10:26:10 AM EDT, Adam Van Ymeren <a...@vany.ca> wrote: >Maxim Cournoyer <maxim.courno...@gmail.com> writes: > >> l...@gnu.org (Ludovic Courtès) writes: >> >>> Maxim Cournoyer <maxim.courno...@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.
FWIW, I was testing the dns with 'ping'. Maxim