The SSL negotiation may be an issue, but I'm not sure it explains the 12
minute gap (unless there's something going on that doesn't cause output,
which is feasible.)

It may or may not be related that plain transfers are also very slow.
They rarely get above 60kB/s, often dropping below that. This especially
sucks when a game is pushing a 2GB update. However I'd be surprised if a
single operation was pushing enough data to take that long and
notification wasn't occurring.

I'm trying it again, and seeing similar long times:

mei 09 22:48:13 Geraakt https://private-ppa.launchpad.net raring/main amd64 
Packages
mei 09 22:48:13 Geraakt https://private-ppa.launchpad.net raring/main i386 
Packages
mei 09 22:48:22 Geraakt https://private-ppa.launchpad.net raring/main amd64 
Packages
mei 09 22:48:22 Geraakt https://private-ppa.launchpad.net raring/main i386 
Packages
mei 09 22:48:31 Geraakt https://private-ppa.launchpad.net raring/main amd64 
Packages
mei 09 22:48:31 Geraakt https://private-ppa.launchpad.net raring/main i386 
Packages
mei 09 22:48:38 Geraakt https://private-ppa.launchpad.net raring/main amd64 
Packages
mei 09 22:48:39 Geraakt https://private-ppa.launchpad.net raring/main i386 
Packages

this isn't the really long one though, it hasn't got that far yet. The
fact that the times group together surprises me too. I imagine it's one
source, but given apt doesn't reuse connections and it's the same host,
I'd expect a more even spread.

I could get a pcap of all the traffic to private-ppa if that'd be
useful. Obviously it'd be a lot of SSL, but the timestamps and
connection requests might be interesting when lined up against a log
like above.

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https://bugs.launchpad.net/bugs/1171047

Title:
  update-manager times out checking for updates

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