On 04/05/2013 06:16 PM, Bruce Dubbs wrote:
> Dr.-Ing. Edgar Alwers wrote:
>> Hi,
>>
>> Preparing my system for gdisk partitions ( PARTUUID ), I upgraded util-linux
>> to version 2.22.
>>
>> My working partition is formatted in xfs. I tried using UUID, but during the
>> boot process I get a message: "mounting root file system in read-only
>> mode...mount can't find UUID...." and the boot process stops. Cold restart is
>> needed.
>> There are no problems, if fstab uses /dev/sda1 instead of UUID. There are 
>> also
>> no problems with an ext4 partition included in fstab using UUID.
>>
>> Could this be a bug ? Any hints how to proceed are welcome. I know,
>> downgrading util-linux fix this, but it excludes also the gdisk activities.
>
> You have to use a initramfs to boot to a drive using a uuid.  Other
> partitions should be OK.
>
>     -- Bruce
>

Only true for root=UUID=blah kernel parameter. Nothing to do with 
/etc/fstab - I do it all the time.

UUID=blah in /etc/fstab
root=/dev/sdxy on kernel command line

Just start udev and let it settle before running mount -o remount,rw /
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