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Re: [Xen-devel] Unstable fail to load dom0

To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Subject: Re: [Xen-devel] Unstable fail to load dom0
From: Andrew Lyon <andrew.lyon@xxxxxxxxx>
Date: Fri, 27 Mar 2009 14:26:36 +0000
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Fri, Mar 27, 2009 at 2:21 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Fri, 2009-03-27 at 10:16 -0400, Andrew Lyon wrote:
>> Hi,
>> I just tried to upgrade one of my systems to Xen unstable, Xen itself
>> boots ok but it hangs after "Loading dom0", I think the cause of the
>> problem is that the necessary support for loading compressed kernel
>> (vmlinuz/bzImage) was not compiled in properly, I seem to recall that
>> recently the compression code was updated and now supports many
>> different compression schemes, what libs etc are required to build
>> with support for bzImage and vmlinuz?
> For domain0 the decompression code is built into the hypervisor itself
> and only supports gzip style compression (historically the only choice).
> Therefore your kernel config must have:
>        # CONFIG_KERNEL_BZIP2 is not set
>        # CONFIG_KERNEL_LZMA is not set
> Ian.

Hmm, not that then, any ideas why it would hang immeediatly after
"loading dom0" ?

The same grub entry works perfectly if Xen 3.3.1 is installed, it is
loading xen.gz which is symlinked to the installed version.


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