# Error during delta update **URL:** \ **Category:** General Discussions\ **Created:** [August 27, 2021, 12:39pm UTC](https://hub.mender.io/t/error-during-delta-update/4038 "2021-08-27T12:39:06Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [August 27, 2021, 12:39pm UTC](https://hub.mender.io/t/error-during-delta-update/4038/1 "2021-08-27T12:39:07Z")
Hi all I have created mender patched os using mender-convert tool from raspbian os. I have successfully done rootfs update. Delta artifact have been created but during deployment, I am getting error: “Artifact Payload type ‘mender-binary-delta’ is not supported by this Mender Client. Make sure the Update Module is installed on the device” To create delta artifact I used, [Create a Delta update Artifact | Mender documentation](https://docs.mender.io/artifact-creation/create-a-delta-update-artifact) Here’s the log: 2021-08-27 11:32:24 +0000 UTC info: Running Mender client version: 3.0.0 2021-08-27 11:32:24 +0000 UTC warning: RetryPollIntervalSeconds is not defined 2021-08-27 11:32:26 +0000 UTC info: State transition: update-fetch [Download\_Enter] → update-store [Download\_Enter] 2021-08-27 11:32:26 +0000 UTC info: No public key was provided for authenticating the artifact 2021-08-27 11:32:26 +0000 UTC error: Fetching Artifact headers failed: installer: failed to read Artifact: readHeaderV3: handleHeaderReads: Artifact Payload type ‘mender-binary-delta’ is not supported by this Mender Client. Make sure the Update Module is installed on the device 2021-08-27 11:32:26 +0000 UTC info: State transition: update-store [Download\_Enter] → cleanup [Error] 2021-08-27 11:32:26 +0000 UTC info: State transition: cleanup [Error] → update-status-report [none] I am not using Yocto in entire process. Where I went wrong? Thanks ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [August 30, 2021, 6:19am UTC](https://hub.mender.io/t/error-during-delta-update/4038/2 "2021-08-30T06:19:10Z")
I am using the same client which is used for system update. Is there any other client available which is required for delta update? ---
**Author:** ![kacf](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/kacf/32/146_2.png) [@kacf](https://hub.mender.io/u/kacf)\ **Post date:** [August 30, 2021, 6:43am UTC](https://hub.mender.io/t/error-during-delta-update/4038/3 "2021-08-30T06:43:12Z")
It means the mender-binary-delta module is not installed on the device. Mender-binary-delta can’t ordinarily be used with an image from mender-convert. It doesn’t mean it can’t work, but we don’t support it out of the box, and you need to take some care and make sure the image is prepared for running in read-only mode. I would strongly recommend moving to a Yocto based build if you are planning to use mender-binary-delta. Then install mender-binary-delta following [these instructions](https://hub.mender.io/t/robust-delta-update-rootfs/1144). ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [August 30, 2021, 6:58am UTC](https://hub.mender.io/t/error-during-delta-update/4038/4 "2021-08-30T06:58:39Z")
Why delta image is so huge? To create delta file, I have used mender-convert tool to create rootfs mender update file from base raspbian os. After that, I have added a couple of small packages such as nmap and 1-2 small packages and created rootfs mender update file. Now using mender-binary-delta generator, I created delta file between both rootfs mender update files. My question is why delta image size is 1.23GB for such a small change in rootfs update file? The entire rootfs for base image is 1,54,42,48,832 bytes and updated image is 1,58,58,98,496 bytes! please respond! ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [August 30, 2021, 7:05am UTC](https://hub.mender.io/t/error-during-delta-update/4038/5 "2021-08-30T07:05:17Z")
mender-client have started the delta image download after placeing mender-binary-delta file at location /usr/share/mender/modules/v3/, as mention in your documentation. It got stuck at 69% and didn’t moved further. I am now working towards yocto build with ur documentation ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [August 30, 2021, 7:07am UTC](https://hub.mender.io/t/error-during-delta-update/4038/6 "2021-08-30T07:07:37Z")
How to get mender-binary-delta generator for different architectures such as RISCV? Is source code available for porting? Please respond ---
**Author:** ![kacf](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/kacf/32/146_2.png) [@kacf](https://hub.mender.io/u/kacf)\ **Post date:** [August 31, 2021, 8:08am UTC](https://hub.mender.io/t/error-during-delta-update/4038/7 "2021-08-31T08:08:30Z")
> [@abhishek](#): > > mender-client have started the delta image download after placeing mender-binary-delta file at location > /usr/share/mender/modules/v3/, as mention in your documentation. > It got stuck at 69% and didn’t moved further. > I am now working towards yocto build with ur documentation You will need to provide some logs if we are going to have a chance to help you. Can you for example post the client logs from `journalctl -u mender-client`? > [@abhishek](#): > > How to get mender-binary-delta generator for different architectures such as RISCV? Is source code available for porting? Mender-binary-delta is closed source, and RISCV is not available at the moment, but this is something we could consider building if there is customer interest. What are your needs in this area? If you are not comfortable discussing it in an open forum, feel free to contact us using our [contact form](https://mender.io/contact-us) instead. ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [August 31, 2021, 1:40pm UTC](https://hub.mender.io/t/error-during-delta-update/4038/8 "2021-08-31T13:40:13Z")
For RISCV, we are looking for seamless OTA updates, including application, rootfs and delta update. We are also working towards porting mender for RISCV and also testing mender on pi. For RISCV whether mender-binary-delta would be provided by mender directly? ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [August 31, 2021, 1:49pm UTC](https://hub.mender.io/t/error-during-delta-update/4038/9 "2021-08-31T13:49:28Z")
HI I am getting following error while building mender via yocto. I have tried to change the values of variables MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA and MENDER\_PARTITION\_ALIGNMENT frim local.conf but still it does not get resolved. Please check ERROR: u-boot-1\_2020.01-r0 do\_provide\_mender\_defines: BOOTENV\_SIZE (0x4000) is too big to fit two copies inside MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA (12288) with proper alignment. Please either: 1. Increase MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA manually and make sure it is an _even_ multiple of MENDER\_PARTITION\_ALIGNMENT (2048). -or- 2. Decrease BOOTENV\_SIZE in the U-Boot recipe so that it can fit two copies inside MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA. Please see [Yocto Project build | Mender documentation](https://docs.mender.io/troubleshooting/yocto-project-build) for more information. ERROR: u-boot-1\_2020.01-r0 do\_provide\_mender\_defines: Execution of ‘/home/abhishek/Documents/mender-raspberrypi/build/tmp/work/raspberrypi4-poky-linux-gnueabi/u-boot/1\_2020.01-r0/temp/run.do\_provide\_mender\_defines.12324’ failed with exit code 1: - true - [! -e /home/abhishek/Documents/mender-raspberrypi/build/tmp/work/raspberrypi4-poky-linux-gnueabi/u-boot/1\_2020.01-r0/fw\_env.config.default] - [0 -eq 0] - expr 12288 % ( 2048 \* 2 ) - [0 -ne 0] - [32768 -gt 12288] - bbfatal BOOTENV\_SIZE (0x4000) is too big to fit two copies inside MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA (12288) with proper alignment. Please either: 1. Increase MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA manually and make sure it is an _even_ multiple of MENDER\_PARTITION\_ALIGNMENT (2048). -or- 2. Decrease BOOTENV\_SIZE in the U-Boot recipe so that it can fit two copies inside MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA. Please see [Yocto Project build | Mender documentation](https://docs.mender.io/troubleshooting/yocto-project-build) for more information. - [-p /home/abhishek/Documents/mender-raspberrypi/build/tmp/work/raspberrypi4-poky-linux-gnueabi/u-boot/1\_2020.01-r0/temp/fifo.12324] - printf %b\0 bbfatal BOOTENV\_SIZE (0x4000) is too big to fit two copies inside MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA (12288) with proper alignment. Please either: 1. Increase MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA manually and make sure it is an _even_ multiple of MENDER\_PARTITION\_ALIGNMENT (2048). -or- 2. Decrease BOOTENV\_SIZE in the U-Boot recipe so that it can fit two copies inside MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA. Please see [Yocto Project build | Mender documentation](https://docs.mender.io/troubleshooting/yocto-project-build) for more information. - exit 1 - bb\_exit\_handler - ret=1 - echo WARNING: exit code 1 from a shell command. WARNING: exit code 1 from a shell command. - exit 1 ERROR: Logfile of failure stored in: /home/abhishek/Documents/mender-raspberrypi/build/tmp/work/raspberrypi4-poky-linux-gnueabi/u-boot/1\_2020.01-r0/temp/log.do\_provide\_mender\_defines.12324 ERROR: Task (/home/abhishek/Documents/mender-raspberrypi/src/poky/meta/recipes-bsp/u-boot/u-boot\_2020.01.bb:do\_provide\_mender\_defines) failed with exit code ‘1’ ---
**Author:** ![kacf](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/kacf/32/146_2.png) [@kacf](https://hub.mender.io/u/kacf)\ **Post date:** [September 1, 2021, 6:55am UTC](https://hub.mender.io/t/error-during-delta-update/4038/10 "2021-09-01T06:55:00Z")
With your current settings for `MENDER_PARTITION_ALIGNMENT` and `BOOTENV_SIZE`, `MENDER_RESERVED_SPACE_BOOTLOADER_DATA`needs to be at least `32768`. Try setting it to this. ---
**Author:** ![kacf](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/kacf/32/146_2.png) [@kacf](https://hub.mender.io/u/kacf)\ **Post date:** [September 1, 2021, 7:01am UTC](https://hub.mender.io/t/error-during-delta-update/4038/11 "2021-09-01T07:01:34Z")
> [@abhishek](#): > > For RISCV, we are looking for seamless OTA updates, including application, rootfs and delta update. We are also working towards porting mender for RISCV and also testing mender on pi. > For RISCV whether mender-binary-delta would be provided by mender directly? Yes, Mender would build this from our closed source tree and offer it like the other platforms in binary form. But this needs to be negotiated first with one of our sales representatives, since it will be a feature request. ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [September 1, 2021, 9:07am UTC](https://hub.mender.io/t/error-during-delta-update/4038/12 "2021-09-01T09:07:03Z")
I have removed these variables from local.conf and added MENDER\_BOOT\_PART\_SIZE\_MB = “40”.This resolved the issue. Thanks ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [September 1, 2021, 1:12pm UTC](https://hub.mender.io/t/error-during-delta-update/4038/13 "2021-09-01T13:12:11Z")
Hi Even after the image is built successfully, the image is not not booting in pi. Why? After booting via HDMI (cannot ssh! ), I am getting recovery.elf error. Image attached ![Screenshot_20210901-172149498](https://canada1.discourse-cdn.com/flex036/uploads/mender/original/2X/6/60c02cd73a28340c29bb2afd4ef0d82a98477a62.jpeg) These are the extra additions in my local.conf file for mender ENDER\_ARTIFACT\_NAME = “release-v.3.0” INHERIT += “mender-full” MACHINE = “raspberrypi4” RPI\_USE\_U\_BOOT = “1” KERNEL\_DEVICETREE = “bcm2711-rpi-4-b.dtb” #MENDER\_PARTITION\_ALIGNMENT = “2048” #MENDER\_RESERVED\_SPACE\_BOOTLOADER\_DATA = “12288” MENDER\_BOOT\_PART\_SIZE\_MB = “40” IMAGE\_INSTALL\_append = " kernel-image kernel-devicetree mender-binary-delta" IMAGE\_FSTYPES\_remove += " rpi-sdimg" TARGET\_IMAGE=“core-image-base” IMAGE\_FEATURES\_append = " read-only-rootfs" LICENSE\_FLAGS\_WHITELIST\_append = " commercial\_mender-binary-delta" FILESEXTRAPATHS\_prepend\_pn-mender-binary-delta := “${HOME}/mender-binary-delta-1.2.1/:” MENDER\_SERVER\_URL = “[https://hosted.mender.io](https://hosted.mender.io)” MENDER\_TENANT\_TOKEN =xxxxxxxxxxxxxxxxx DISTRO\_FEATURES\_append = " systemd" VIRTUAL-RUNTIME\_init\_manager = “systemd” DISTRO\_FEATURES\_BACKFILL\_CONSIDERED = “sysvinit” VIRTUAL-RUNTIME\_initscripts = “” IMAGE\_FSTYPES = “ext4” ---
**Author:** ![kacf](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/kacf/32/146_2.png) [@kacf](https://hub.mender.io/u/kacf)\ **Post date:** [September 1, 2021, 1:53pm UTC](https://hub.mender.io/t/error-during-delta-update/4038/14 "2021-09-01T13:53:46Z")
The `local.conf` settings look correct to me. Have you also included the [meta-raspberrypi](https://github.com/agherzan/meta-raspberrypi) and [meta-mender-raspberrypi](https://github.com/mendersoftware/meta-mender/tree/master/meta-mender-raspberrypi) layers? ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [September 1, 2021, 3:34pm UTC](https://hub.mender.io/t/error-during-delta-update/4038/15 "2021-09-01T15:34:49Z")
Yes. All layers are added as required bitbake-layers add-layer ${BASE}/src/meta-openembedded/meta-oe bitbake-layers add-layer ${BASE}/src/meta-openembedded/meta-python bitbake-layers add-layer ${BASE}/src/meta-openembedded/meta-multimedia bitbake-layers add-layer ${BASE}/src/meta-openembedded/meta-networking bitbake-layers add-layer ${BASE}/src/meta-raspberrypi bitbake-layers add-layer ${BASE}/src/meta-mender/meta-mender-core bitbake-layers add-layer ${BASE}/src/meta-mender/meta-mender-raspberrypi ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [September 2, 2021, 8:27am UTC](https://hub.mender.io/t/error-during-delta-update/4038/16 "2021-09-02T08:27:20Z")
What should be my next step now? ---
**Author:** ![kacf](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/kacf/32/146_2.png) [@kacf](https://hub.mender.io/u/kacf)\ **Post date:** [September 2, 2021, 9:42am UTC](https://hub.mender.io/t/error-during-delta-update/4038/17 "2021-09-02T09:42:01Z")
Can you paste your complete `local.conf` and `bblayers.conf`? I’ll try to test it on one of our build machines. ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [September 2, 2021, 10:12am UTC](https://hub.mender.io/t/error-during-delta-update/4038/18 "2021-09-02T10:12:11Z")
Sure local.conf file ```auto # This sets the default machine to be qemux86-64 if no other machine is selected: MACHINE ??= "raspberrypi4" DISTRO ?= "poky" PACKAGE_CLASSES ?= "package_rpm" # We default to enabling the debugging tweaks. EXTRA_IMAGE_FEATURES ?= "debug-tweaks" USER_CLASSES ?= "buildstats image-mklibs image-prelink" # By default disable interactive patch resolution (tasks will just fail instead): PATCHRESOLVE = "noop" BB_DISKMON_DIRS ??= "\ STOPTASKS,${TMPDIR},1G,100K \ STOPTASKS,${DL_DIR},1G,100K \ STOPTASKS,${SSTATE_DIR},1G,100K \ STOPTASKS,/tmp,100M,100K \ ABORT,${TMPDIR},100M,1K \ ABORT,${DL_DIR},100M,1K \ ABORT,${SSTATE_DIR},100M,1K \ ABORT,/tmp,10M,1K" CONF_VERSION = "1" ################################################### ### ### Configuration added by yocto-mender-rpi4.sh ### ################################################### MENDER_ARTIFACT_NAME = "release-v.3.0" INHERIT += "mender-full" MACHINE = "raspberrypi4" RPI_USE_U_BOOT = "1" KERNEL_DEVICETREE = "bcm2711-rpi-4-b.dtb" #MENDER_PARTITION_ALIGNMENT = "2048" #MENDER_RESERVED_SPACE_BOOTLOADER_DATA = "12288" MENDER_BOOT_PART_SIZE_MB = "40" IMAGE_INSTALL_append = " kernel-image kernel-devicetree mender-binary-delta" IMAGE_FSTYPES_remove += " rpi-sdimg" TARGET_IMAGE="core-image-base" IMAGE_FEATURES_append = " read-only-rootfs" LICENSE_FLAGS_WHITELIST_append = " commercial_mender-binary-delta" FILESEXTRAPATHS_prepend_pn-mender-binary-delta := "${HOME}/mender-binary-delta-1.2.1/:" # Build for Hosted Mender # To get your tenant token, log in to https://hosted.mender.io, # click your email at the top right and then "My organization". # Remember to remove the meta-mender-demo layer (if you have added it). # We recommend Mender 1.4.0 and Yocto Project's rocko or later for Hosted Mender. # MENDER_SERVER_URL = "https://hosted.mender.io" MENDER_TENANT_TOKEN = XXXXXXXXXXXXXXXXXXXXXXXXX DISTRO_FEATURES_append = " systemd" VIRTUAL-RUNTIME_init_manager = "systemd" DISTRO_FEATURES_BACKFILL_CONSIDERED = "sysvinit" VIRTUAL-RUNTIME_initscripts = "" IMAGE_FSTYPES = "ext4" ``` ---
**Author:** ![abhishek](https://avatars.discourse-cdn.com/v4/letter/a/7ba0ec/32.png) [@abhishek](https://hub.mender.io/u/abhishek)\ **Post date:** [September 2, 2021, 10:15am UTC](https://hub.mender.io/t/error-during-delta-update/4038/19 "2021-09-02T10:15:06Z")
bblayer.conf file ```auto # POKY_BBLAYERS_CONF_VERSION is increased each time build/conf/bblayers.conf # changes incompatibly POKY_BBLAYERS_CONF_VERSION = "2" BBPATH = "${TOPDIR}" BBFILES ?= "" BBLAYERS ?= " \ /home/abhishek/Documents/mender-raspberrypi/src/poky/meta \ /home/abhishek/Documents/mender-raspberrypi/src/poky/meta-poky \ /home/abhishek/Documents/mender-raspberrypi/src/poky/meta-yocto-bsp \ /home/abhishek/Documents/mender-raspberrypi/src/meta-openembedded/meta-oe \ /home/abhishek/Documents/mender-raspberrypi/src/meta-openembedded/meta-python \ /home/abhishek/Documents/mender-raspberrypi/src/meta-openembedded/meta-multimedia \ /home/abhishek/Documents/mender-raspberrypi/src/meta-openembedded/meta-networking \ /home/abhishek/Documents/mender-raspberrypi/src/meta-raspberrypi \ /home/abhishek/Documents/mender-raspberrypi/src/meta-mender/meta-mender-core \ /home/abhishek/Documents/mender-raspberrypi/src/meta-mender/meta-mender-raspberrypi \ /home/abhishek/Documents/mender-raspberrypi/src/meta-mender/meta-mender-commercial \ " ``` ---
**Author:** ![michaelatmender](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/michaelatmender/32/128_2.png) [@michaelatmender](https://hub.mender.io/u/michaelatmender)\ **Post date:** [September 2, 2021, 11:43am UTC](https://hub.mender.io/t/error-during-delta-update/4038/20 "2021-09-02T11:43:34Z")
FYI @abhishek I edited your comments above to use the `code` markdown, so that @kacf or others can easily read and copy-paste! [Next page](https://hub.mender.io/t/error-during-delta-update/4038.md?page=2)