On Thu, May 27, 2010 at 10:51:47PM -0700, Anoop P.A. wrote: > Any body used titan GE device with more than 512MB physical memory? > > > > If buffer is getting allocated above physical address 0x1fff_ffff ( ie. > 30 bit buffer address) we may have to consider setting XDMA_BUFFADDRPRE > (0x5018 ) .This is not taken care in original driver. Any body had luck > in enabling this prefix. I have tried enabling it and I could do flood > ping with out packet loss. However when I do mass data transfer kernel > getting panic. Further investigation showed kenel panics because DMA > copies data to wrong address (which is being used). The driver has not been used in ages so it's generally in a sad shape, doesn't even compile. I think nobody touched this driver seriously in 5 years, probably longer. So it's sort of expected to eat your cat or do other nasty stuff. Ralf
