On Fri, Jul 14, 2017 at 01:08:47PM -0400, Keith Busch wrote: > > So LVM2 backed by md raid1 isn't compatible with newer hardware... Any > > suggestions? > > It's not that LVM2 or RAID isn't compatible. Either the IOMMU isn't > compatible if can use different page offsets for DMA addresses than the > physical aaddresses, or the driver for it is broken. The DMA addresses > in this mapped SGL look completely broken, at least, since the last 4 > entries are all the same address. That'll corrupt data.
Given that this is a Xen system I wonder if swiotlb-xen is involved here, which does some odd chunking of dma translations? > > _______________________________________________ > Linux-nvme mailing list > linux-n...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-nvme ---end quoted text--- _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
