I''ve been reading about how to make Xen show more then 16GB of ram and still support 32bit but so far all my attempts have not worked. FC7 was supposed to be able to run 32bit guests on its 64bit OS but because of a feature freeze, this was not possible even though it still says you can do it in the release notes which I find ridiculous. Anyway, someone told me if I replace the hypervisor with the 64bit counterpart, then I should be able to see more the 16GB of memory and be able to run 32bit guests. I did this by extracting the files from the 64bit RPM and replaced the xen.gz-2.6.20-2925.11.fc7 file with the one from the 64bit RPM and rebooted. The OS booted fine, however, when I tried running/installing a 32bit domU the console would not load or would lock up almost immediately. I can''t think of anything else to try and any help would be greatly appreciated. thewird
thewird wrote:> I''ve been reading about how to make Xen show more then > 16GB of ram and still support 32bit but so far all my > attempts have not worked. FC7 was supposed to be able > to run 32bit guests on its 64bit OS but because of a > feature freeze, this was not possible even though it > still says you can do it in the release notes which I > find ridiculous.Are you sure? FC7 runs 32 bit fullvirt guests fine for me (on 64 bit hardware/hypervisor). I didn''t yet try to run a 32 bit paravirt guest though. Rich. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903
What files did you replace to convert the hypervisor to 64bit? thewird --- "Richard W.M. Jones" <rjones@redhat.com> wrote:> thewird wrote: > > I''ve been reading about how to make Xen show more > then > > 16GB of ram and still support 32bit but so far all > my > > attempts have not worked. FC7 was supposed to be > able > > to run 32bit guests on its 64bit OS but because of > a > > feature freeze, this was not possible even though > it > > still says you can do it in the release notes > which I > > find ridiculous. > > Are you sure? FC7 runs 32 bit fullvirt guests fine > for me (on 64 bit > hardware/hypervisor). I didn''t yet try to run a 32 > bit paravirt guest > though. > > Rich. > > -- > Emerging Technologies, Red Hat - > http://et.redhat.com/~rjones/ > Registered Address: Red Hat UK Ltd, Amberley Place, > 107-111 Peascod > Street, Windsor, Berkshire, SL4 1TE, United Kingdom. > Registered in > England and Wales under Company Registration No. > 03798903 >
thewird wrote:> What files did you replace to convert the hypervisor > to 64bit?I''m just using a 64 bit F7 as the dom0. We must be talked at crossed purposes now. Rich. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903