On Mon, 2011-01-10 at 11:58 -0800, Vu Pham wrote: > David Dillow wrote: > > either. The SRP FMR mapping code is careful to mask the SG address with > > the FMR page mask, so we should never ask the HCA to map a page with the > > first_byte_offset != 0. Instead, we tell the target to request an IO > > virtual address appropriately offset into the first page of the FMR. > > > > Or perhaps I misunderstood you, and it's the non-zero first byte offset > > in the RDMA command on the wire that is the issue, and not the FMR setup > > in the initiator? And it only affects FMR-mapped memory, not the > > kernel's MR? > > It's not the kernel's MR. > > I suspect that the corruption happen with *only* Mellanox FMR + MPT > setup without fbo and target doing RDMA with offset vaddr. > > I need to ask internal hw/fw guys and confirm if it's true.
Have you had any response from the HW/FW guys? -- Dave Dillow National Center for Computational Science Oak Ridge National Laboratory (865) 241-6602 office _______________________________________________ ewg mailing list ewg@lists.openfabrics.org http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg