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xen-users
RE: [Xen-users] Could not enable shadow paging for domain?
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Tom Horsley
> Sent: 17 December 2006 19:45
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Could not enable shadow paging for domain?
>
> I asked about this over in the fedora-xen list:
>
>
> https://www.redhat.com/archives/fedora-xen/2006-December/msg00089.html
>
> Since I've gotten no responses there, I thought I'd try
> over here:
>
> Playing with Xen, Fedora Core 6, and 8-way Opteron system at work
> with 8 gig of memory:
>
> Xen seems to stop being able to create domains after it has been
> up for a while (doing things like testing lots of guest installs
> or even just using dom0 for non-xen related testing for a while).
>
> Any attempt at this point to create a new domain winds up
> with error (12, 'Cannot allocate memory'), and the
> xend-debug.log shows ERROR: Could not enable shadow paging for domain.
The "Count not able shadow paging" is probably related to the previous
"cannot not allocate" error. If you can't allocate the memory, then you
can't enable shadow paging on the memory as it's not been allocated...
:-(
How much memory do you give Dom0? I'd say giving Dom0 256MB would be a
good idea, rather than rely on the auto-baloon feature that is indeed a
bit more tricky to make work.
--
Mats
>
> Rebooting the machine (the real one :-) fixes the problem until
> it has been up for a while again...
>
> This sound familiar to anyone? Should I file a bug? (Against what?)
>
> I hasten to point out that I'm not creating lots of domains and
> leaving them running, so I shouldn't actually be running out of
> any memory resource (assuming resources are reclaimed properly
> when a domain is destroyed).
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
>
>
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