[Bug 578843] [NEW] Karmic->Lucid kernel upgrade failed with nfsroot

[Geoffrey Hausheer]

Public bug reported:

Linux gabby 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:28:05 UTC 2010 x86_64 GNU/Linux
Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2

During an upgrade from Karmic to Lucid on an nfsroot box, the kernel
install failed.

Initially the kernel wouldn't install because grub-pc wouldn't install
completely.  It kept asking for a drive to install grub on, but as this
is a diskless machine, it wasn't able to succeed.

I then removed grub-pc (which is marked as recommended but not required), which resulted in the kernel install failing with:
Could not find postinst hook script [update-grub]

I then created an empty shell script at /sbin/update-grub and everything
proceeded smoothly.

So as I understand it, either the kernel install shouldn't depend on
update-grub or grub-pc should be a required dependency (and should be
fixed to not require a disk to install to)

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

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Karmic->Lucid kernel upgrade failed with nfsroot
https://bugs.launchpad.net/bugs/578843
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