On Monday 20 July 2009 23:51:41 Alfred Perlstein wrote: > * Hans Petter Selasky <[email protected]> [090715 13:37] wrote: > > Hi, > > > > I've added minimal polling support to the USB P4 repository now. Patch > > can be found here: > > > > http://perforce.freebsd.org/chv.cgi?CH=166148 > > > > Dumping core to USB disk: Tested and works. > > > > Using USB keyboard in KDB: Does not work because Giant is not locked when > > calling into the UKBD's get char routine. UKBD is Giant locked. Someone > > familiar with the keyboard system on FreeBSD please step forward and fix > > this so that UKBD gets independent of the Giant mutex. > > the ukbd driver needs giant?
I think the keyboard mux is under Giant, and does not have any concept about mutexes. Most simple solution would be that DDB locks Giant before entering into the keyboard code. --HPS _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[email protected]"
