On Thu, 17 Sep 2009, Jason Wessel wrote: > Alan Stern wrote: > > On Wed, 16 Sep 2009, Jason Wessel wrote: > > > > > >> During the 2.6.32 development the use of serial->disc_mutex was > >> introduced. In usb_console_setup() the call to > >> usb_serial_get_by_index() will obtain this mutex. The > >> usb_console_setup() must release the mutex before it completes else > >> later calls to the usb serial core will hang. > >> > > > > Apparently you didn't see my patch: > > > > http://marc.info/?l=linux-usb&m=125209260714221&w=2 > > > > Did this not get into linus-next? Greg? > > > > > > FYI, I'll continue working on the tty baud usb serial problem. Are > there other patches I need Alan? The eight-patch series plus the one additional console patch are all that I wrote. > When I tried your patch on the end of the of the Greg KH tree, it > crashes the kernel, which is why I am asking before I try anything further. It didn't crash my kernel when I tried it. :-) Did you figure out what was wrong? > I have a forth coming patch based on what Alan Cox sent me about the > init_termios structure. This patch very cleanly solves the problem of > the initial console baud, but the new init_termios wasn't documented > anywhere except the source itself. In a nut shell the entire API is > there, but th usb serial console code was not using it until now. :-) No kidding -- that's mostly what my patches were aimed at: using the new API correctly. Alan Stern -- 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
