[SeaBIOS] usb ohci pipe free fix

[Nils]

Op woensdag 07-03-2012 om 22:51 uur [tijdzone +0100], schreef Nils:
> Op dinsdag 06-03-2012 om 22:25 uur [tijdzone -0500], schreef Kevin
> O'Connor:
> > You could try, dumping the value of cntl->regs->periodicstart and
> > cntl->regs->fminterval at the end of start_ohci() to see if there's
> > something odd there.
> > 
> > You could also try setting the Skip bit in ohci_alloc_intr_pipe
> > (ed->hwINFO |= ED_SKIP) to see if the issue is with the TDs or EDs.
> > You could also try replacing malloc_low calls with malloc_high calls
> > in ohci_alloc_intr_pipe to see if maybe the controller doesn't like
> > the memory addresses.
> Ok now i have some results!
> With the original ohci pipe free fix and the 3 malloc's changed to
> malloc_high the controller seems to keep running. :)
> 
> There is probably also another problem.(see attached log)
> While booting i did not touch the keyboard, but it received (partly
> unknown) keycodes.
> At the end of the log SeaBIOS crashed.
> This sequence is reproducible at every boot.
> When i unplug the keyboard then boot and then plug in again after
> SeaBIOS finished, then linux runs fine. 
> 
> Thanks, Nils.
Also if repeat booting i get often the following lines in the log:
KBD: int09h_handler(): unknown scancode read: 0x5b!

KBD: int09h_handler(): unknown scancode read: 0x5c!