** Changed in: glibc (Ubuntu)
Status: New => Invalid
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DNS lookups hang network in 2.9-4ubuntu6
https://bugs.launchpad.net/bugs/422016
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After looking at every possible cause for this problem, I finally
tracked it down to openvpn starting automatically and connecting to a
local machine. In that past, I discovered this quickly because openvpn
could keep reconnecting and dropping the network, but it seems they've
now figured out how
Ok, this is really bugging me. The newer version of glibc is reducing
the problem, but it still exists. There seems to be something blocking
network activity during DNS lookups, perhaps only when the lookup has
problems but it could just be that lookups when everything is normal go
so fast that i