I'm running Amarok 1.4.5, and I'm moving from Bashpodder to Amarok for my podcasts. Most of my feeds work properly, but some refuse to update. I get an error saying:

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Could not connect to host http://podcasts.engadget.com/rss.xml.
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This happens with several feeds, including Radio Leo (http://leo.am/podcasts/leo), the Engadget podcast (above) and GeekBrief.tv (http://geekbrieftv.podshow.com/feed.xml). Why could this be happening?

All three of these work fine for me in Amarok (tested 5 minutes ago). Perhaps the servers were temporarily down?

This has happened consistently. Only on one or two occasions have the feeds worked properly.

I just tested them again, with the same results.