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Re: [Xen-users] Help. Xen service cannot start, and no log left

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Help. Xen service cannot start, and no log left
From: Ryan Duff <ryanduff.list@xxxxxxxxx>
Date: Sat, 28 Feb 2009 14:21:52 -0500
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Yang Xin wrote:
> Hi, all:
>   Xen cannot start after installation. When using command "# xend start"
> , the whole system becomes very slow and tardy to accept other commands.
> I use "top" to check resource, slow response, and find "xend" occupy
> more than 50% cpu. Frequent harddisk reading. Then "top" process is
> killed, and so does "xend" process.
>   Nothing is left in "/var/log/xen/xend.log", this file's size is 0.
>   "xm list" command: /Error: Unable to connect to xend: No such file or
> directory. Is xend running?/
>   xen version: xen-3.3.1
>   os: centOS 4.4
>   The installation follows official tutorial.
>   Thanks for the help!
> Xin


I had a similar issue the other week where, after a kernel upgrade, the
lines in my grub.conf got rewritten and that was causing the same
results with xend not starting.

I would suggest running a yum remove xen* followed by yum install xen*

Reinstalling xen, followed by a reboot corrected my issues. I also noted
that the lines in my grub.conf were rewritten correctly during the xen


Ryan Duff
web: http://www.ryanduff.net
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