Re: Pygrub on ARM64

[Ian Campbell <ian.campbell@citrix.com>]

On Thu, 2016-02-25 at 10:47 +0000, Ian Campbell wrote:
> 
> > 
> > CentOS's first partition is fat to boot on efi systems, but it only
> > contains the grub efi binary. All the other partitions are xfs. Does
> > pygrub support it?
> 
> I don't know, but pygrub is normally pretty vocal in these situations if it
> doesn't ("cannot find partition" style message), here it is apparently just
> silently hanging, which is pretty odd.

Here is what I get though:

# wget http://mirror.centos.org/altarch/7/isos/aarch64/CentOS-7-aarch64.img.xz
# xz -d CentOS-7-aarch64.img.xz
# pygrub CentOS-7-aarch64.img 
Traceback (most recent call last):
  File "/usr/local/bin/pygrub", line 926, in <module>
    raise RuntimeError, "Unable to find partition containing kernel"
RuntimeError: Unable to find partition containing kernel

Which is much more like what I would normally expect (and matches your
description of the image layout  think).

That was on a random x86_64 test box because that was all I had to hand,
but I'd be pretty surprised if something like this behaved very differently
on arm64. 

Ian.

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