I don't know what it means exactly, except that it hear it can cause problems for BDB.
I want to run a production Zimbra instance in a Xen vm and certain people at Zimbra advice me to not do that unless it has assembly-language mutex support, since BDB uses assembly level mutex locks by default.
I was pointed to:

https://bugzilla.redhat.com/show_bug.cgi?id=91933
http://www.openldap.org/lists/openldap-software/200603/msg00214.html

and
http://www.zimbra.com/forums/installation/14121-virtualization-zimbra.html

-- Bart

Keir Fraser wrote:

What does that even mean?

 -- Keir


On 4/4/08 21:45, "Bart Heinsius" <bheinsius@gmail.com> wrote:

Hi,

I read some time ago that Xen does not have assembly-language mutex support.
Is this still the case in Xen 3.2?

best regards,
Bart.


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