# Failure to commit update with u-boot on mender 3.5

**URL:** https://hub.mender.io/t/failure-to-commit-update-with-u-boot-on-mender-3-5/3531
**Category:** General Discussions
**Tags:** yocto, nxp, dunfell
**Created:** [April 20, 2021, 5:41pm UTC](https://hub.mender.io/t/failure-to-commit-update-with-u-boot-on-mender-3-5/3531 "2021-04-20T17:41:23Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![dellgreen](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/dellgreen/32/85_2.png) [@dellgreen](https://hub.mender.io/u/dellgreen)
#### Post date: [April 20, 2021, 8:27pm UTC](https://hub.mender.io/t/failure-to-commit-update-with-u-boot-on-mender-3-5/3531/2 "2021-04-20T20:27:40Z")

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There was a change to use libubootenv at some point to alter the uboot env variables. Might be worth checking the mender-client and meta-mender repos to see if that change falls with your versions

> [@Libubootenv: New library to access U-Boot environment](https://hub.mender.io/t/libubootenv-new-library-to-access-u-boot-environment/297):
>
> Hi Folks, For anyone who isn’t on the swupdate mailing list I noticed an interesting post yesterday about a new option for U-Boot environment configuration in software. See the announcement post at [https://groups.google.com/forum/#!searchin/swupdate/libubootenv%7Csort:date/swupdate/2wcIyfexOro/iADiuQRtBQAJ.](https://groups.google.com/forum/#!searchin/swupdate/libubootenv%7Csort:date/swupdate/2wcIyfexOro/iADiuQRtBQAJ)

> [@Meta-mender dunfell -\> libubootenv issue](https://hub.mender.io/t/meta-mender-dunfell-libubootenv-issue/2426):
>
> I’m using latest dunfell poky and I’m hitting following issue: ERROR: No recipes available for: /home/user/project/meta-mender/meta-mender-core/recipes-bsp/u-boot/libubootenv\_0.2.bbappend Seems that libubootenv was bumped to 0.3 in latest dunfell 022affe4592c1a21d6abb00619e5927865748819 and thus an error. Renaming recipe to x\_0.3.bbappend resolve an issue but I’m not sure if patches are still valid. I can post PR if necessary. Thanks.

> [@Update not working](https://hub.mender.io/t/update-not-working/2715/20):
>
> I couldn’t get fw\_setenv to work using stdin echo test1=test1 \> /var/run/test root@octave-imx8mnevk:~# fw\_setenv -s - \< /var/run/test root@octave-imx8mnevk:~# fw\_printenv | grep test1 root@octave-imx8mnevk:~# root@octave-imx8mnevk:~# fw\_setenv -s /var/run/test root@octave-imx8mnevk:~# fw\_printenv | grep test1 test1=test1 I looked through the libubootenv code and can’t see how it processes - for stdin, in the u-boot version you can see if (strcmp(fname, "-") == 0) fp = stdin; But I don’t…

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