If you will be able to persuade Pierre Ossman to learn some AMD64 IOMMU, it would be the best. So far, it seams that wbsd is the only SD-card reader driver which made it into the kernel (I know of O2Micro driver from musclecard, but it has even more problems).
-- wbsd.ko hangs amd64 kernel due to wrong DMA memory allocation https://launchpad.net/bugs/75084 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
