Bug#534880: linux-image-2.6.26-2-xen-686: domU hang and are unresponsive
> unfortunately, in the last couple weeks, i've been experiencing some issues
> with some domU machines crashing on lenny xen dom0.
>
> at some point, the domU just hangs, and "xm console" is unresponsive. still
> able to ping the domU server, but not log in via ssh, and existing ssh
> connections stop working. "xm reboot" and "xm shutdown" are useless.
> eventually, we "xm destroy" it, and it continues to work for another 1-3 days.
the machines that were failing all had "vcpus = 2" in their respective
/etc/xen/*.cfg files. after commenting it out and restarting these domU, i've
seen uptimes of 7-12 days, with no hangs thus far, although they are now
effectively single-cpu systems, so are a bit slower...
live well,
vagrant
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