On Di, 2014-05-27 at 08:28 +0000, Gonglei (Arei) wrote: > Hi, > > Those day, I'm working for usb controller hot-plugging/unplugging( > not enable multifunction capability). Everything work well, but when > I test the case of hot-plug/unplug reiteratively, qemu will be aborted:
Guess you've removed the "dc->hotpluggable = false" and added a cleanup function? > I don't know why the new qdict address will conflict with the global usb > busses. tqh_last? Most likely something is missing in the cleanup, leading to a use-after-free. Usually Electric Fence is pretty good at catching them. http://www.pf-lug.de/projekte/haya/efence.php cheers, Gerd