On Wed, 2015-09-23 at 12:47 +0000, Andreas Sundstrom wrote: > Citerar Ian Campbell <ian.campb...@citrix.com>: > > > Along those lines, if the _host_ has buckets of RAM then might it be > > worth > > restricting it in case the issue is with getting MFNs which are not > > representably by the 32-bit PV interfaces? (IIRC the limit is ~160G due > > to > > the size of the m2p hole, a 32-bit MFN spans 16TB so it's unlikely to > > be > > that). > > > > Likewise maybe the issue is with full addresses which don't fit in a 32 > > -bit > > number (which is maybe more likely to happen if grub uses a 1:1 mapping > > like I would guess it does), so limiting the host to <4GB might also be > > interesting? > > > > If this was meant for me I will need more information to understand > what to test. > dom0 has either 12G or 8G memory in my test machines if that makes a > difference.
It was, sorry for not being clear. How much memory do the test machines have? If it is more than 160G then try booting with "mem=160G" on the hypervisor (not Linux) command line. You can just edit that in via grub. Then try with mem=4G (which might require shrinking dom0 too of course). Ian. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
