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From: Benjamin Esquivel <benjamin.esquivel@linux.intel.com>
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To: Ed Bartosh <ed.bartosh@linux.intel.com>, 
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References: <1477317281-19518-1-git-send-email-ed.bartosh@linux.intel.com>
Organization: Intel Corporation
Date: Mon, 24 Oct 2016 11:06:55 -0500
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Subject: Re: [wic][PATCH] systemd-bootdisk.wks: use PARTUUID
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On Mon, 2016-10-24 at 16:54 +0300, Ed Bartosh wrote:
> Root device name in systemd-bootdisk.wks is 'sda'. This can cause
> images, produced using this wks to refuse booting if real device
> name is not 'sda'. For example, when booting MinnowBoard MAX from
> MicroSD card the boot process stucks with this message on the boot
> console output: Waiting for root device /dev/sda2...
> This happens because real device name of MicroSD card on this device
> is mmcblk1.
> 
> Used --use-uuid option for root partition. This should make
> wic to put partiion UUID instead of device name into kernel command
> line.
This change worked just fine, I tried it both in Minnowboard and Joule
and both boot to login prompt.
> 
> [YOCTO #10485]
> 
> Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
> ---
>  scripts/lib/wic/canned-wks/systemd-bootdisk.wks | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/lib/wic/canned-wks/systemd-bootdisk.wks
> b/scripts/lib/wic/canned-wks/systemd-bootdisk.wks
> index b900023..4bd9d6a 100644
> --- a/scripts/lib/wic/canned-wks/systemd-bootdisk.wks
> +++ b/scripts/lib/wic/canned-wks/systemd-bootdisk.wks
> @@ -4,7 +4,7 @@
>  
>  part /boot --source bootimg-efi --sourceparams="loader=systemd-boot" 
> --ondisk sda --label msdos --active --align 1024
>  
> -part / --source rootfs --ondisk sda --fstype=ext4 --label platform
> --align 1024
> +part / --source rootfs --ondisk sda --fstype=ext4 --label platform
> --align 1024 --use-uuid
>  
>  part swap --ondisk sda --size 44 --label swap1 --fstype=swap
>  
> -- 
> 2.1.4
>