On Wed, 13 Jun 2012, Austin Schuh wrote: > 2.6.38.8 seems to work. I didn't run it overnight, but it should have > failed by the time that I canceled it. > > 2.6.38.8 with ehci->need_io_watchdog = 0 for all NVIDIA devices fails. > dumping async shows that the transfer is just sitting there just like > on the other two machines. Odd. Here's something to try. In ehci-hcd.c:ehci_iaa_watchdog(), change the ehci_vdbg() function call to ehci_warn(), leaving the arguments the same. This will log a message for each of the lost IAA interrupts, so we'll be able to see a little bit of what's happening. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
