On Fri, 8 Jul 2005, Mauro Carvalho Chehab wrote: > It looks to be an old reported trouble with bttv cards. > > There is a doc at kernel that treats this subject. It is at: > Documentation/video4linux/bttv/README.freeze > > > Overlay works by transfering data from BTTV card directelly to Video > Card. > > This looks to be problem related to DMA troubles on some motherboards.
I've found the no_overlay parameter to be promising, but it seems to be unused by the driver: $ grep -r no_overlay drivers/* drivers/media/video/bttv-cards.c:static unsigned int no_overlay=-1; drivers/media/video/bttv-cards.c:module_param(no_overlay, int, 0444); drivers/media/video/bttv-cards.c: if (UNSET == no_overlay) { drivers/media/video/bttv-cards.c: no_overlay = 1; $ It seems some patch has removed that feature, and I have no grepable pile of patches here nor an idea (except for google) where I can get one. -- Top 100 things you don't want the sysadmin to say: 80. I cleaned up the root partition and now there's LOTS of free space. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/