Guess what, this issue indeed seems to be completely unrelated to USB. Something similar is going on for SD card access (see Bug #787246), and accessing LAN/WLAN has only an indirect influence.
Look at this: http://paste.ubuntu.com/656410/ Seems like the CPU entering sleep states or something similar is the culprit? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/709245 Title: panda: USB disk IO slow To manage notifications about this bug go to: https://bugs.launchpad.net/linaro-ubuntu/+bug/709245/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
