Re: ide with DMA and ram > 4GB

2008-11-19 Thread Marc Lörner
On Thursday 13 November 2008 21:02, John Baldwin wrote: > On Wednesday 12 November 2008 12:23:14 pm Marc Lörner wrote: > > Hello, > > I just stepped over a problem with my IDE disk running in DMA-mode > > and having more than 4GB of RAM. > > It seems that the whole way down GEOM, ata-disk, ata-dma

Re: ide with DMA and ram > 4GB

2008-11-13 Thread John Baldwin
On Wednesday 12 November 2008 12:23:14 pm Marc Lörner wrote: > Hello, > I just stepped over a problem with my IDE disk running in DMA-mode > and having more than 4GB of RAM. > It seems that the whole way down GEOM, ata-disk, ata-dma never is checked > whether physical address of buffer is less than

ide with DMA and ram > 4GB

2008-11-12 Thread Marc Lörner
Hello, I just stepped over a problem with my IDE disk running in DMA-mode and having more than 4GB of RAM. It seems that the whole way down GEOM, ata-disk, ata-dma never is checked whether physical address of buffer is less than 4GB an so fits in 32bits. => when PRD is set the address is rigorously