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Re: [Xen-devel] Random reboots with Xen 3.2.1

To: "Niraj Tolia" <ntolia@xxxxxxxxx>, "Xen Developers" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Random reboots with Xen 3.2.1
From: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Date: Mon, 28 Apr 2008 00:48:03 +0900
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>I am seeing random reboots after installing Xen 3.2.1 (running with
>linux-2.6.18-8 pulled from a few days ago). So far, the reboots only
>happen if I have enabled cpufreq=dom0-kernel and actually run
>frequency scaling (such as with the ondemand governor). The reboots
>only happen after a few hours. The machines seem to be stable if I
>pass the cpufreq option to Xen but disable frequency scaling.
>I can't see anything in the log files that looks suspicious right
>before the reboot. The worst I have seen are a couple of "Timer went
>backwards" error messages but they don't always show up in the logs.
>Anything else I should be poking at to figure out why this might be
>happening and if there are any potential fixes?
You can see the panic log
if you add "noreboot" option to xen's boot parameter.

Best Regards,

Akio Takebe

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