On Tue, Jun 14, 2016 at 02:25:15PM +0200, Bart Van Assche wrote: > On 06/14/2016 02:08 PM, Leon Romanovsky wrote: > >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 [ ... ] > >> > >>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? > > Hello Leon, > > Does this mean that you think that the "swiotlb buffer is full" messages > reported by Laurence could be caused by something else than hitting the > swiotlb limit? I don't have enough knowledge in that area to answer if message "swiotlb buffer is full" is correctly explain current situation and I will be glad to get input from you about it. Thanks. > > Bart. > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html