On Wed, May 17, 2017 at 1:45 PM, Sarah Newman <srn at prgmr.com> wrote: > On 05/17/2017 01:30 PM, Jerry wrote: > > > For some reason each of the 5, 6 & 7 releases have issues with the > mpt2sas > > driver (there isn't enough swiotlb allocated by default for the driver to > > work properly, and the units for that parameter changed between 5 and 6). > > It's like this driver has bad luck or something. > > To my best knowledge they shouldn't use swiotlb if you give the dom0 4GiB+ > of RAM. I posted the exact same problem before and that was the > recommendation > I got. It works. > > --Sarah > I'm not keen on letting dom0 take up so much memory :) I'm giving swiotlb 256MB of memory (swiotlb=131072 on el6/7) and that resolved it for my configuration. Jerry -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20170517/0859b609/attachment-0006.html>