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wic: Switch to using --use-uuid by default

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The most portable way to specifiy a root device in a disk image that we
create is to use PARTUUID rather than /dev/sda2.  As background, both
GPT and MBR tables provide valid UUID values for each partition and the
Linux Kernel contains the logic to parse this value.  With this change
we can now boot the default disk images when used as any valid block
device that the included kernel uses.  This for example means that
VirtualBox can be used to run vmdk without changes as it uses IDE for
the virtual disk controller.

Cc: Matt Porter <mporter@konsulko.com>
(From OE-Core rev: 8a58e9bb3e76a9962f1d14a8bdd3f7de675c3492)

Signed-off-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Tom Rini
2017-07-28 20:14:33 -04:00
committed by Richard Purdie
parent 9d07c736e3
commit 03d5daf1ae
3 changed files with 6 additions and 6 deletions
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scripts/lib/wic/canned-wks/common.wks.inc
+1 -1
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@@ -1,3 +1,3 @@
# This file is included into 3 canned wks files from this directory
part /boot --source bootimg-pcbios --ondisk sda --label boot --active --align 1024
part / --source rootfs --ondisk sda --fstype=ext4 --label platform --align 1024
part / --source rootfs --use-uuid --fstype=ext4 --label platform --align 1024
scripts/lib/wic/canned-wks/directdisk-bootloader-config.cfg
+4 -4
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@@ -12,16 +12,16 @@ DEFAULT Graphics console boot
LABEL Graphics console boot
KERNEL /vmlinuz
APPEND label=boot root=/dev/sda2 rootwait
APPEND label=boot rootwait
LABEL Serial console boot
KERNEL /vmlinuz
APPEND label=boot root=/dev/sda2 rootwait console=ttyS0,115200
APPEND label=boot rootwait console=ttyS0,115200
LABEL Graphics console install
KERNEL /vmlinuz
APPEND label=install root=/dev/sda2 rootwait
APPEND label=install rootwait
LABEL Serial console install
KERNEL /vmlinuz
APPEND label=install root=/dev/sda2 rootwait console=ttyS0,115200
APPEND label=install rootwait console=ttyS0,115200
scripts/lib/wic/canned-wks/qemux86-directdisk.wks
+1 -1
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@@ -4,5 +4,5 @@
include common.wks.inc
bootloader --timeout=0 --append="vga=0 uvesafb.mode_option=640x480-32 root=/dev/sda2 rw mem=256M ip=192.168.7.2::192.168.7.1:255.255.255.0 oprofile.timer=1 rootfstype=ext4 "
bootloader --timeout=0 --append="vga=0 uvesafb.mode_option=640x480-32 rw mem=256M ip=192.168.7.2::192.168.7.1:255.255.255.0 oprofile.timer=1 rootfstype=ext4 "