On 03/07/12 10:46, Erik Rull wrote: > Hi Gerd, > > there are new assertion failed when plugging in a USB security dongle at > guest runtime. > They occur on the current GIT master + your async patch. > > /home/erik/qemu/hw/usb.c:352 usb_packet_complete: Assertion > '((&ep->queue)->tqh_first) == p' failed. > I got this only once and I'm currently not able to reproduce that.
Strange. > Next one is: > Same security dongle (I tested two different hardware versions, both show > the same behaviour): > - They get detected at runtime (beside this one crash above) but it takes > quite long > - When being plugged in before guest startup I get the following assertion > - this seems to happen in BIOS before the guest OS actually boots: > /home/erik/qemu/hw/usb-uhci.c:967: uhci_fill_queue: Assertion 'ret == 2' > failed. Might be related. In both cases the packet queue somehow isn't in the state we expecting it to be. > If you need further information, just let me know how to produce it. Enable tracing for these events ... usb_packet_state_change usb_host_req_* usb_host_urb_* ... and try to reproduce. Hopefully that gives a clue. cheers, Gerd
