> > Same thing when simply doing normal DNS lookup while the network is up ; > > I don't think I have seen any usage over 5% during the dns resolution. > > It was never normal dns lookups, only firefox
I didn't express myself properly in my previous comment: I was only testing firefox, so it was a normal dns lookup done via firefox while the network was active. Like you suggested, I'll close it, and you can re-open it if needed. ** Changed in: firefox (Ubuntu) Status: Unconfirmed => Rejected -- 100% cpu utilisation during DNS resolution https://launchpad.net/bugs/42217 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs