> I've reworked the DMA handling in the driver to do the scatter/gather > inside the driver instead of relying on the DMA engine of the > cx23415/6. So the buffers are still the same size, but it still seems > to run smoothly. Note that the DMA of the ivtv-fb framebuffer has not > yet been converted. It works, but DMA timeouts might still happen > there. Although to be fair the decoder DMA engine seems to work much > better so DMA timeouts are not really an issue here. > > It is bleeding edge software which has limited testing, so be careful. > > Nevertheless, it is a major breakthrough and I'd like people to start > testing it is possible and report back with any problems (or success if > previous problems are now solved). > > For the ivtv-0.10.x series you can get the updated driver here: > > http://ivtvdriver.org/viewcvs/ivtv/branches/0.10.tar.gz?view=tar > I installed that a few days back and it was working fine until yesterday when recording under mythtv I got a zero length file and lots of the DMA TIMEOUT errors:
[133644.316239] ivtv1: DMA TIMEOUT 00000001 0 [133646.481990] ivtv1: DMA TIMEOUT 00000001 0 [133651.057551] ivtv1: DMA TIMEOUT 00000001 0 [133655.213068] ivtv1: DMA TIMEOUT 00000001 0 [133658.943220] ivtv1: DMA TIMEOUT 00000001 0 John _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
