[SeaBIOS] usb ohci pipe free fix

Nils njacobs8 at adsltotaal.nl
Wed Feb 22 18:59:38 CET 2012

Op dinsdag 21-02-2012 om 19:31 uur [tijdzone -0500], schreef Kevin
> On Tue, Feb 21, 2012 at 09:43:12PM +0100, Nils wrote:
> > Op maandag 20-02-2012 om 13:17 uur [tijdzone -0500], schreef Kevin
> > O'Connor:
> > > I put together a patch to modify the way the OHCI controller does pipe
> > > free'ing.  This is a preliminary patch (similar batch free'ing should
> > > be done for the other controllers as well).  However, it might help
> > > with the USB issues you've been having.
> > > 
> > Thanks for the patch.
> > I tested this patch and the keyboard gets initialized now.
> > The keyboard doesn't seem to react on keystroke yet tough and i still
> > get a timeout error.(another bug?)
> Well, that's not good.  I was assuming that the earlier problems were
> due to a sloppy free, but it looks like something else is confusing
> the controller.  The previous and current errors are probably related.
> It's odd that control messages seem to be handled properly while the
> frame_no and interrupt lists aren't.  To fix this, more debugging is
> needed to see what's going wrong at what point.  You can start with
> the patch below.
See attachment for the corresponding log.

Thanks, Nils.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: ohci_debug1.log
Type: text/x-log
Size: 11297 bytes
Desc: not available
URL: <http://www.seabios.org/pipermail/seabios/attachments/20120222/5bd03e26/attachment-0001.log>

More information about the SeaBIOS mailing list