Public bug reported:
While creating my own custom usb boot stick grub does not properly set the root
device to the UUID, but insits on sdi2. Of course, on booting from this stick
sdi2 is not found and booting fails.
Reason is this part of 10_linux
initramfs=
if test -n "${config}" ; then
initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr
-d \"`
fi
if test -n "${initrd}" ; then
gettext_printf "Found initrd image: %s\n" "${dirname}/${initrd}" >&2
elif test -z "${initramfs}" ; then
# "UUID=" and "ZFS=" magic is parsed by initrd or initramfs. Since there's
# no initrd or builtin initramfs, it can't work here.
linux_root_device_thisversion=${GRUB_DEVICE}
fi
Removing the linux_root_device_thisversion= overrride there properly set it to
the UUID .
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: grub-common 2.00-7ubuntu11
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
Date: Sun Nov 11 13:36:41 2012
ProcEnviron:
LANGUAGE=en
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: grub2
UpgradeStatus: Upgraded to quantal on 2012-01-08 (308 days ago)
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug quantal
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https://bugs.launchpad.net/bugs/1077622
Title:
root= not set to UUID
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