Stephen, please try this debugging patch. Let's see if the output it produces can be matched up to the usbmon data for both working and non- working cases.
** Attachment added: "Diagnostic patch for EHCI qh_refresh() change" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1088733/+attachment/3514990/+files/refresh-debug -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1088733 Title: Regression in dib0700 dvb-t driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1088733/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
