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Strip out bootcache config when removing rootfs verification

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For a device with bootcache support (such as parrot), the kernel config
contains bootcache args (reference: device_map_args in
build_kernel_image.sh). When removing rootfs verification, bootcache
should be disabled, equivalently we should remove bootcache args.

BRANCH=vboot_reference
BUG=chromium:590606
TEST=tested on parrot device with ./build_image --board=parrot test.
After installing the image on device,
(1) run sudo /usr/share/vboot/bin/make_dev_ssd.sh
 --remove_rootfs_verification
(2) reboot
The bootloop bug is fixed.

Change-Id: I56ca5f2d98e00e1117611959a67ce72338ec7377
Reviewed-on: https://chromium-review.googlesource.com/395386
Commit-Ready: Qiang Xu <warx@chromium.org>
Tested-by: Qiang Xu <warx@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Qiang Xu <warx@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
This commit is contained in:
Qiang Xu
2016-10-07 10:55:39 -07:00
committed by chrome-bot
parent 3b55afa94e
commit a1001da565
1 changed files with 3 additions and 0 deletions
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3
scripts/image_signing/make_dev_ssd.sh
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@@ -61,9 +61,12 @@ EXEC_LOG="$(make_temp_file)"
# ----------------------------------------------------------------------------
# Removes rootfs verification from kernel boot parameter
# And strip out bootcache args if it exists
remove_rootfs_verification() {
local new_root="PARTUUID=%U/PARTNROFF=1"
# the first line in sed is to strip out bootcache details
echo "$*" | sed '
s| dm=\"2 [^"]*bootcache[^"]* vroot | dm=\"1 vroot |
s| root=/dev/dm-[0-9] | root='"$new_root"' |
s| dm_verity.dev_wait=1 | dm_verity.dev_wait=0 |
s| payload=PARTUUID=%U/PARTNROFF=1 | payload=ROOT_DEV |