On Tue, Jun 14, 2016 at 11:24:28AM +0200, Bart Van Assche wrote: > On 06/14/2016 03:56 AM, Laurence Oberman wrote: > >Tracing [ ... ] > > Hello Laurence, > > Can you try to set the kernel command line parameter swiotlb to a value that > is a multiple of its default (64MB), reboot and see whether that helps? See > also Documentation/kernel-parameters.txt in the kernel tree. Do you think that 64MB is not enough for this scenario? > > Thanks, > > Bart. > >