# PYNQ 2.4 error message is reported when making an image

**URL:** <https://discuss.pynq.io/t/pynq-2-4-error-message-is-reported-when-making-an-image/7668>\
**Category:** Support\
**Created:** [November 3, 2024, 4:16am UTC](https://discuss.pynq.io/t/pynq-2-4-error-message-is-reported-when-making-an-image/7668 "2024-11-03T04:16:13Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![wusehn](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/wusehn/32/6430_2.png) [@wusehn](https://discuss.pynq.io/u/wusehn)\
**Post date:** [November 3, 2024, 4:16am UTC](https://discuss.pynq.io/t/pynq-2-4-error-message-is-reported-when-making-an-image/7668/1 "2024-11-03T04:16:13Z")

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- PYNQ 2.4
- Ubuntu 16.04
- PetaLinux 2018.3
- Vivado 2018.3
- SDK 2018.3
- when I run “make BOARDS=zynq7020 PREBUILT=./prebuilt/bionic.arm.2.4.img”

ebuilt/bionic.arm.2.4.img  
which vivado | fgrep 2018.3  
/home/ubuntu/Xilinx/Vivado/2018.3/bin/vivado  
#which sdx | fgrep 2018.3  
which petalinux-config | fgrep 2018.3  
/opt/Petalinux/2018.3/tools/common/petalinux/bin/petalinux-config  
which arm-linux-gnueabihf-gcc  
/home/ubuntu/Xilinx/SDK/2018.3/gnu/aarch32/lin/gcc-arm-linux-gnueabi/bin/arm-linux-gnueabihf-gcc  
which microblaze-xilinx-elf-gcc  
/home/ubuntu/Xilinx/SDK/2018.3/gnu/microblaze/lin/bin/microblaze-xilinx-elf-gcc  
which ct-ng  
/opt/crosstool-ng/bin/ct-ng  
which python | fgrep /usr/bin/python  
/usr/bin/python  
sudo -n mount \> /dev/null  
bash /home/ubuntu/PYNQ/sdbuild/scripts/check\_Env.sh  
bash /home/ubuntu/PYNQ/sdbuild/scripts/check\_mounts.sh  
cd /home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020 && mkimage -f /home/ubuntu/PYNQ/sdbuild/build/zynq7020/image.its /home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020/image.ub  
FATAL ERROR: Couldn’t open “./zImage”: No such file or directory  
mkimage: Can’t read /home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020/image.ub.tmp: Invalid argument  
mkimage Can’t add hashes to FIT blob  
Makefile:298: recipe for target ‘/home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020/image.ub’ failed  
make: \*\*\* [/home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020/image.ub] Error 255

I can find zImage, it’s in a different place, maybe it’s the wrong one, why is it designed like that? I tried to modify the img file to get him to find it, and I got a different error, how to fix it?

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<div class="post-metadata">

**Author:** ![wusehn](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/wusehn/32/6430_2.png) [@wusehn](https://discuss.pynq.io/u/wusehn)\
**Post date:** [November 3, 2024, 4:35am UTC](https://discuss.pynq.io/t/pynq-2-4-error-message-is-reported-when-making-an-image/7668/2 "2024-11-03T04:35:53Z")

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I move zImage to the setting location，but new error output  
cd /home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020 && petalinux-package --boot --fpga /home/ubuntu/PYNQ/sdbuild/…/boards/zynq7020/base/base.bit --u-boot -p /home/ubuntu/PYNQ/sdbuild/build/zynq7020/petalinux\_project --force  
ERROR: Default first stage bootloader “/home/ubuntu/PYNQ/sdbuild/build/zynq7020/petalinux\_project/images/linux/zynq\_fsbl.elf” doesn’t exist.  
ERROR: You haven’t specified the first stage bootloader, and we failed to detect the default one.  
ERROR: Please use “–fsbl” option to specify one.  
Makefile:298: recipe for target ‘/home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020/BOOT.BIN’ failed  
make: \*\*\* [/home/ubuntu/PYNQ/sdbuild/output/boot/zynq7020/BOOT.BIN] Error 255

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<div class="post-metadata">

**Author:** ![wusehn](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/wusehn/32/6430_2.png) [@wusehn](https://discuss.pynq.io/u/wusehn)\
**Post date:** [November 3, 2024, 5:57am UTC](https://discuss.pynq.io/t/pynq-2-4-error-message-is-reported-when-making-an-image/7668/3 "2024-11-03T05:57:39Z")

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> [@wusehn](#):
>
> zynq\_fsbl.elf

I run petalinux-build in folder “petalinux\_project”,problem have been solved

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**Author:** ![system](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/system/32/2_2.png) [@system](https://discuss.pynq.io/u/system)\
**Post date:** [November 6, 2024, 5:58am UTC](https://discuss.pynq.io/t/pynq-2-4-error-message-is-reported-when-making-an-image/7668/4 "2024-11-06T05:58:37Z")

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