From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fabio Fantoni <fabio.fantoni@m2r.biz>
Subject: Re: pygrub regression with latest xen-unstable test
Date: Tue, 16 Sep 2014 10:42:57 +0200
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	<1410792576.11601.22.camel@hastur.hellion.org.uk>
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To: Ian Campbell <ian.campbell@citrix.com>
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Il 15/09/2014 16:49, Ian Campbell ha scritto:
> On Mon, 2014-09-15 at 12:29 +0200, Fabio Fantoni wrote:
>> After updating to latest xen-unstable (commit
>> 7d203b337fb2dcd148d2df850e25b67c792d4d0b) I'm unable to boot an old domU
>> with grub 1 cfg.
>> I not remember the previous unstable build tested that successfull boot
>> it, probably is of 1-2 months ago or more.
> According to the git log pygrub hasn't changed since late Jun, and in
> general changes very little. Could you look back over the history and
> see if you can identify the problem commit?
>
> Thanks,
> Ian.
>
>
>> #boot/grub/menu.lst
>> title Lenny 2.6.26
>> root (hd0,0)
>> kernel /boot/vmlinuz-2.6.26-2-xen-amd64 ro root=/dev/xvda1 console=hvc0
>> xencons=tty
>> initrd /boot/initrd.img-2.6.26-2-xen-amd64
>>
>> xl create /etc/xen/nagios.cfg
>> Parsing config from /etc/xen/nagios.cfg
>> libxl: error: libxl_bootloader.c:630:bootloader_finished: bootloader
>> failed - consult logfile /var/log/xen/bootloader.11.log
>> libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: bootloader
>> [-1] exited with error status 1
>> libxl: error: libxl_create.c:1133:domcreate_rebuild_done: cannot
>> (re-)build domain: -3
>>
>> #/var/log/xen/bootloader.11.log
>> Using <class 'grub.GrubConf.GrubConfigFile'> to parse /boot/grub/menu.lst
>> ESC(BESC)0ESC[1;24rESC[m^OESC[?7hESC[?1hESC=ESC[?1lESC>ESC[24;1H^MESC[?1lESC>Traceback
>> (most recent call last):
>>     File "/usr/lib/xen/bin/pygrub", line 894, in <module>
>>       raise RuntimeError, "Unable to find partition containing kernel"
>> RuntimeError: Unable to find partition containing kernel
>>
>> If you need more information and/or tests tell me and I'll post them.
>>
>> Thanks for any reply.
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xen.org
>> http://lists.xen.org/xen-devel
>

I take fast look on latest pygrub changes, I changed the xvda1 of disk 
to xvda, tried also root in cfg but nothing.
After I tried to put grub2 cfg in menu.lst and gave "Unknown directive" 
warnings at boot, so read it.
After I renamed menu.lst to grub.cfg and nagios booted correctly.
So the regression seems in parsing of grub1 cfg in menu.lst file but I 
not found how to solve it.