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Re: [Xen-devel] [PATCH] x86: fix improper return value from relinquish_memory()



>>> "Jan Beulich" <JBeulich@xxxxxxxxxx> 24.03.10 12:07 >>>
>While apparently only a theoretical possibility (domain_kill() has a
>BUG_ON() that wasn't reported to trigger so far), I still think it is
>better to have the code cleaned up.

Btw., the reason I was looking at that code was that we observe
zombie domains - ones in DOMDYING_dead state, perhaps having
almost none of their memory freed (shadowed guests appear to be
particularly bad). In one of the reports, an interesting extra fact
was that this happened only for the first 100 guests - any
subsequent ones got destroyed properly (obviously to get there
this requires quite a bit of memory in the host). Has anyone else
observed this? Does this ring any bells?

Jan


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