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Re: [Xen-users] Error: Boot loader didn't return any data [pygrub boot debian wheezy alpha1 netinst ISO]



On 7/2/2012 1:29 AM, Mark van Dijk wrote:
Op Fri, 29 Jun 2012 09:24:24 +0100
Ian Campbell<Ian.Campbell@xxxxxxxxxx>  schreef:

$ sudo xm create -c wheezytest.cfg
Using config file "./wheezytest.cfg".
Error: Boot loader didn't return any data!
Are there any details in /var/log/xen/*?
Derailing from the topic a little bit -- Ian, perhaps it is a good idea
to suggest this (i.e. check the logs in /var/log/xen/) together with the
"Boot loader didn't return any data!" message? We see that many people
don't understand the error and think, "if the boot loader didn't return
any data then the problem must be the boot loader!"

How about a more descriptive error, for example:

Error: Boot loader didn't return any data. This probably means the VM
has crashed. Details can usually be found in /var/log/xen/.

Your thoughts on this suggestion? Do share. :-)

Mark



I had looked at and discarded /var/log/xen/xend.log (the only log written to) several times before I had realized that bootloader_args parameters were getting ignored completely. Is there any level of syntax checking for the xm config files in that xm create could have complained about the use of "bootloader_args=" earlier in the process instead?

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