On Wednesday, September 28, 2016 11:55:47 AM Hans Petter Selasky wrote: > On 09/28/16 11:31, Jan Henrik Sylvester wrote: > > On 09/28/2016 10:32, Hans Petter Selasky wrote: > >> Can you compile your kernel with debugging enabled so that we get the > >> sourcelines in the dump below. Also please include some parts of the > > > > The kernel is from the yet-to-be-released 11.0-RELEASE installed by > > freebsd-update. Now I have extracted kernel-dbg.txz, base-dbg.txz, and > > lib32-dbg.txz from the 11.0-RELEAESE distribution, but the backtrace > > still looks similar. Do have have to do anything else to use the debug > > symbols or do I really have to compile a new kernel? > > > > Hi, > > Can you try the attached patch. Does it make any difference? > > device_delete_child() will delete devices starting at the leaves, while > USB expects parents to be detached first. > > jhb: Any comments?
This is fine, though I feel like we should fix device_delete_child instead as this has broken several places. That is, I think device_delete_child should do the detach first and then delete any dangling grandchildren after device_detach() of the child. -- John Baldwin _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[email protected]"
