f051a68e13
Currently, when BR2_LINUX_KERNEL_INSTALL_TARGET=y is selected, issuing
a "saveenv" command in the U-Boot prompt may lead to rootfs corruption.
When BR2_LINUX_KERNEL_INSTALL_TARGET is not selected, then
board/freescale/common/imx/genimage.cfg.template is used as per the logic
inside board/freescale/common/imx/post-image.sh.
board/freescale/common/imx/genimage.cfg.template correctly puts the
rootfs at a safe offset.
With BR2_LINUX_KERNEL_INSTALL_TARGET=y, then
board/freescale/common/imx/genimage.cfg.template_no_boot_part or
board/freescale/common/imx/genimage.cfg.template_no_boot_part_spl
are used and no offset to the rootfs is given, which may cause U-Boot
environment area to write into the rootfs area, causing the rootfs
corruption.
Avoid this problem by placing the rootfs at an 8MB offset, just like
it is done in board/freescale/common/imx/genimage.cfg.
Tested on a imx6qp-wandboard and also on a custom imx6ull based board.
"saveenv" does not corrupt the rootfs anymore after this change.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit
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| arch | ||
| board | ||
| boot | ||
| configs | ||
| docs | ||
| fs | ||
| linux | ||
| package | ||
| support | ||
| system | ||
| toolchain | ||
| utils | ||
| .defconfig | ||
| .flake8 | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| CHANGES | ||
| Config.in | ||
| Config.in.legacy | ||
| COPYING | ||
| DEVELOPERS | ||
| Makefile | ||
| Makefile.legacy | ||
| README | ||
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches