Re: [Linux-uvc-devel] rev 4 test with kernel smp Intel x86_64

[michel X. <mx...@ma...>]

Le Vendredi 6 Janvier 2006 16:31, Luc Saillard a écrit :
> On Fri, Jan 06, 2006 at 03:04:25PM +0100, michel Xhaard wrote:
> > Le Vendredi 6 Janvier 2006 13:57, michel Xhaard a écrit :
> > > Le Vendredi 6 Janvier 2006 13:54, Laurent Pinchart a écrit :
> > > > > Look like i need to read the spec before ask :)
> > > > > Unfortunnatelly i cannot get nosmp nor noht working on my HP :( all
> > > > > i get is a black screen on boot.
>
> Have you try maxcpus=1 ?
>
> > > > > Kernel is set with a Suse 2.6.11 smp on the two box. Maybe i am
> > > > > wrong but spca5xx or pwc are working fine with this SMP box so that
> > > > > should not be a controller issue.
> > > >
> > > > Except that spca5xx and pwc are USB 1.1 devices. I would have liked
> > > > to make sure that this is not a high speed isochronous transfer
> > > > issue.
>
> Try to remove the ehci driver, so you disconnect the usb2.0 device, and you
> will return in usb1.1. Even if you have ehci loaded and an usb device, ehci
> is not used.
>
> Luc
maxcpus=1 boot with only cpu0 thanks :) 
but seem not FIX our problem i get the same data corruption with
 data[0] = 0 :( 
removing ehci_hcd : uvcvideo did not accept 1024x576 nor 1280x960 in yuyv 
without usb2.
 My SDL grabber return Unable to set format !! 
-- 
Michel Xhaard
http://mxhaard.free.fr