On 15 June 2009 01:49:09 Simon Kenyon wrote: > Igor M. Liplianin wrote: > > On 6 June 2009 23:37:47 Simon Kenyon wrote: > >> Igor M. Liplianin wrote: > >>> On 5 June 2009 21:41:46 Simon Kenyon wrote: > >>>> Simon Kenyon wrote: > >>>>> Simon Kenyon wrote: > >>>>>> the picture seems to be breaking up badly > >>>>>> will revert to my version and see if that fixes it > >>>>> > >>>>> [sorry for the delay. i was away on business] > >>>>> > >>>>> i've checked and your original code, modified to compile and > >>>>> including my changes to control the LNB works very well; the patch > >>>>> you posted does not. i have swapped between the two and rebooted > >>>>> several times to make sure. > >>>>> > >>>>> i will do a diff and see what the differences are > >>>>> > >>>>> regards > >>>>> -- > >>>>> simon > >>>> > >>>> the main changes seem to be a reworking of the interrupt handling and > >>>> some i2c changes > >>>> -- > >>>> simon > >>> > >>> How fast is your system? > >> > >> reasonably fast > >> it is a dual core AMD64 X2 running at 3.1GHz > > > > Main change is to move demuxing from interrupt to work handler. > > So I prepaired another patch, with separate work queue. > > May be you find some time to test. > > > > I wonder CPU usage and interrupts count(cat /proc/interrupts) while > > viewing DVB. I guess your card generates a lot of unnecessary(unknown ?) > > irq's. > > > > Another idea is to increase dma buffer. > > i've tested that now > sorry for the delay - at a family wedding > > anyway, that seems to work fine. will st some more, but the first > results (with kaffeine) seem good. > > i did a complete scan and then tried about 20 different channels. they > all seemed to work fine. > > thanks > -- > simon Good news. Thank you for testing. Igor -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html