On Fri, 27 May 2011, Benjamin Herrenschmidt wrote: > On Fri, 2011-05-27 at 09:35 +0800, Greg KH wrote: > > Nothing has changed in usbfs in a very long time, and the USB big > > merge > > went into Linus's tree a few days ago, so this is probably something > > else. > > > > bisection would be best to help you out here. > > Ok, I was afraid of that. This specific system is problematic as it > requires adding/rebasing a whole pile of patches that I'm still writing > on top of upstream :-) > > I'll see if I can do a hack to simulate the handover failure on a normal > system to reproduce / bisect. Easily done, just put return -EBUSY; near the start of ohci-hcd.c:ohci_init(). It's worth noting that this entire region of code can probably be removed -- it affects only non-PCI controllers and none (or almost none?) of them have a BIOS that needs to be kicked off. 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
