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xen-devel
Re: [Xen-devel] [PATCH, PV-GRUB DOC] Add details to PV-GRUB documentatio
On 03/03/2010 02:59 PM, Samuel Thibault wrote:
According to the ext4 howto, once extents are enabled, the filesystem
can not be mounted by ext2/3 tools: “If you convert your root
filesystem ("/") to ext4, and you use the GRUB boot loader, you will
need to install a version of GRUB which understands ext4. Your system
may boot OK the first time, but when your kernel is upgraded, it will
become unbootable.”
So I guess for now we at least need to document that ext4 is not
supported.
Yes. It should also test the filesystem feature flags for features it
doesn't support and give a useful error message (though I did finally
work out how to use gdbsx while tracking this down).
The long-term plan could probably be to PV-ize grub2 of
course...
I suppose. At least Fedora's grub1 supports ext4 (it was the F12
installer which made this /boot); perhaps pvgrub needs a resync with
upstream grub?
J
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