Re: search --label not working on mmcblk

[Steve]

and check for spaces in the label ?

On Tue, 26 Oct 2021 at 16:10, Andrei Borzenkov <arvidjaar@gmail.com> wrote:

> On 26.10.2021 12:38, Matthias Schoepfer wrote:
> > Hi!
> >
> > I have quite a funny behavior that I am not able to grasp. I am using
> > grub on an "embedded" device to switch between two root file system
> > partitions (A / B update schema). To set / read the partition, I use the
> > grubenv. This part works as a charm.
> >
> > Now I switched to eMMC as storage. I gave it a gpt partition table and
> > besides a EFI parition, I have the root partition labeled rootfs1 and
> > rootfs2. Since the numbers of the devices may be different when for
> > example a USB drive is attached, I am using the PARTLABELs for getting
> > the root device.
> >
> > While
> >
> > search --label rootfs1
> >
>
> It searches for filesystem label, not for partition label.
>
> > finds the rootfs1, it does not find
> >
> > search --label rootfs2
> >
> > even if I give the correct hints. When I boot "manually" with
> > (hd3,gpt3), everything works and the linux kernel is finding the root
> > partition given as
> >
> > root=PARTLABEL=rootfs2 rootwait
> >
> > What can I do to debug this?!
> >
>
> Show output of blkid after booting Linux with both devices connected.
>
> > I am using grub2 as shipped with yocto hardknott:
> >
> > https://alpha.gnu.org/gnu/grub/grub-2.06~rc1.tar.xz
> >
> > Modules build in: boot linux ext2 fat serial part_msdos part_gpt normal
> > efi_gop iso9660 search loadenv test acpi squash4 all_video multiboot2
> >
> > Any help how to tackle this is appreciated.
> >
> > Regards,
> >
> >    Matthias
> >
> >
> >
>
>
>