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Re: [Xen-users] kexec into dom0? my machine can't reboot reliably


  • From: Tomasz Chmielewski <mangoo@xxxxxxxx>
  • Date: Mon, 13 Aug 2007 13:52:10 +0200
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 13 Aug 2007 04:52:49 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Tomasz Chmielewski schrieb:
Tony Hoyle schrieb:
Tomasz Chmielewski wrote:
# kexec --initrd vmlinuz-2.6.18-xen-uncomp -l xen-3.1
Invalid memory segment 0xc0100000 - 0xc034cfff


Not that great. Is there something I'm missing?


You'd have to kexec the hypervisor and give it a module of the vmlinuz file, in the same way that grub does it. I've no idea if kexec has that functionality though.

All right, something like that gets me farther:

kexec -l xen-3.1 --module="vmlinuz-2.6.18-xen-uncomp initrd-2.6.18-xenU.img"

Obviously, the module entry is wrong.

# kexec -l xen-3.1 --module="vmlinuz-2.6.18-xen netloop.nloopbacks=16 other_params..." --module="initrd-2.6.18-xenU.img" --append="noapic dom0_mem=128M"
# kexec -e

Ends with:

(XEN) not enough memory to stash the DOM0 kernel image.

Hmm.


--
Tomasz Chmielewski
http://wpkg.org


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