Hi, sys/dev/usb/usb_busdma.c
Just add error printf() there in all cases. Should be trivial. Probably also something is printed by: sysctl hw.usb.debug=15 --HPS -----Original message----- > From:Konstantin Belousov <kostik...@gmail.com> > Sent: Saturday 15th June 2013 12:24 > To: Hans Petter Selasky <hans.petter.sela...@bitfrost.no> > Cc: Sergey V. Dyatko <sergey.dya...@gmail.com>; curr...@freebsd.org > Subject: Re: USB Keyboard not worked on current (r251681) > > On Sat, Jun 15, 2013 at 09:34:59AM +0200, Hans Petter Selasky wrote: > > It is some error code from busdma. > This is not helpful, obviously. > > We need to know exactly what call failed, with what parameters together > with the values from the tag. Then the hypothesis about the system state > could be made and corresponding information requested. > > > > > --HPS > > > > -----Original message----- > > > From:Konstantin Belousov <kostik...@gmail.com> > > > Sent: Saturday 15th June 2013 7:29 > > > To: Sergey V. Dyatko <sergey.dya...@gmail.com> > > > Cc: k...@freebsd.org; curr...@freebsd.org > > > Subject: Re: USB Keyboard not worked on current (r251681) > > > > > > On Fri, Jun 14, 2013 at 12:41:28PM +0300, Sergey V. Dyatko wrote: > > > > On Fri, 14 Jun 2013 11:36:56 +0200 > > > > Hans Petter Selasky <h...@bitfrost.no> wrote: > > > > > > > > > See this thread and solution "Supermicro 6027R-N3RF+head, usb trouble" > > > > > > > > > It was 'fixed' by r251282, but I see r251681 on subject :) > > > > added kib@ to Cc > > > > > > It was not 'fixed', I reacted on something which was wrong on its own, > > > and which was accidentally reported to somehow cover/fix the USB issue. > > > > > > You have to trace does the real cause of the USB failure, in particular, > > > to find the place where USB_ERR_NOMEM comes from. But, the error from > > > the usbd_ctrl_transfer_setup: 'could not setup default USB transfer' > > > comes before ENOMEM and its cause is lost in the USB code. > > > > _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
