[Xen-users] Xen 4.2.5 Remus usage triggers random host restarts

[JoÃo LuÃs Pinto <joaoluispinto@xxxxxxxxx>]

Hi,

I am evaluating Xen Remus usage.

The test systems consists of two virtualized hosts running Xen 4.2.5
with Debian Wheezy 7.6, with the first compiled with the patches
linked in the instructions available at http://remusha.wikidot.com/.
Only the patches that can cleanly (or with minor adjustments) migrate
to version 4.2.5 are applied, namely patches 02, 03, 05 and 06 and the
drbd-hvm-fix.

I am using the available patched version of drbd 8.3.11 (and
overriding the kernel provided drbd module), and the sch-plug kernel
module provided.

For tests, I am running a pv domain (with a kernel supporting the
event channel). After starting Remus, and after some time of having
things running normally (two instances: one a few hours later and
another 3.5 days later), the host running Remus unexpectedly reboots,
leaving no trace of errors in the several logs
(/var/log/{messages,dmesg,syslog},
/var/log/xen/{xend.log,xend-debug.log}, the Remus log itself).

Does anyone have any idea of what might be happening?

Thank you,

Joao

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