On Fri, Aug 17, 2012 at 10:04:24PM -0400, Alan Stern wrote: [snip] Thanks for the reply. > > > > Some updates: > > > > After running usbmon, I realized that the paging request address is the > > address of the urb. > > That doesn't make sense. implement() shouldn't know anything about the > address of any URBs. (It should be able to access an URB's transfer > buffer, but that's a different matter.) > Check out the following output from the oops markup (http://paste.debian.net/184443/). It isolates the faulting instruction. Maybe it makes more sense to you? > > I think the urb gets deleted while the implement > > function is going on. > > If hid_output_report() gets passed the address of an URB then something > has already gone wrong. > Looking at the output of usbmon, the kernel re-uses URB addresses. Is it possible that the urb is freed while the instruction is in *implement()*? Thanks, Amit -- 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
