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Re: [Xen-users] dumping state of a hung domU

from [Akio Takebe]

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To:	Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] dumping state of a hung domU
From:	Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Date:	Tue, 27 Feb 2007 17:10:41 +0900
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Hi, Samuel

You can use xenctx to see registers of the domU.
xenctx is in /usr/lib/xen/bin.
And you can make the domain crash by using "xm sysrq or xm trigger".
If you want coredump, you can use "xm dump-core <domU>".

Best Regards,

Akio Takebe

>Hi,
>
>In some conditions, my domU seem to hang: the console stops printing
>anything.  Since I hence don't have any feedback, is it possible to dump
>the state of the domU? Something like registers + stack, for instance.
>Alternatively, is it possible to forcibly make a dom crash (which
>triggers the register dump)?
>
>Samuel
>
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