[bug #54916] I cannot pass cmd line parameters from XEN's *.cfg file to xen-grub

[Krzysztof Leszczyński]

URL:
  <https://savannah.gnu.org/bugs/?54916>

                 Summary: I cannot pass cmd line parameters from XEN's *.cfg
file to xen-grub
                 Project: GNU GRUB
            Submitted by: chewbaccakl
            Submitted on: Tue 30 Oct 2018 11:53:23 AM UTC
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: Feature Request
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Git master
         Reproducibility: Every Time
         Planned Release: None

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Details:

I have several domU-s on my xen machine each uses xen-grub2 configured as
kernel to start, i.e. the virtualname.cfg contains no bootloader (like pygrub)
but


    kernel = /path/to/grub-x86_64-xen.bin


It would be nice if I could pass some parameters using xen's extra= or append=
because each instance might have some different file system scheme. Right now
I just link each grub with a separate compiled in grub.cfg.

It's especially needed for dom-U systems based on zfs or btrfs because it
might have multiple snapshots with different grub.cfg

Before I filled this bug I tried to find a workaround:
https://serverfault.com/questions/936048/is-it-possible-to-pass-command-line-to-grub2-as-xen-kernel






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