# install jetpack 4.2.1 failed on xavier **URL:** \ **Category:** Jetson AGX Xavier\ **Created:** [July 25, 2019, 10:24am UTC](https://forums.developer.nvidia.com/t/install-jetpack-4-2-1-failed-on-xavier/78706 "2019-07-25T10:24:03Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![zyukyunman](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@zyukyunman](https://forums.developer.nvidia.com/u/zyukyunman)\ **Post date:** [July 25, 2019, 10:24am UTC](https://forums.developer.nvidia.com/t/install-jetpack-4-2-1-failed-on-xavier/78706/1 "2019-07-25T10:24:03Z")
here is log,i need help ```auto 18:16:22 INFO : CUDA Toolkit for L4T : Fetched 24.4 MB in 7min 52s (51.7 kB/s) 18:16:26 INFO : CUDA Toolkit for L4T : Reading package lists... 18:16:26 INFO : CUDA Toolkit for L4T : *begin sudo apt-get -y install cuda-toolkit-10-0 , 5 18:16:26 INFO : CUDA Toolkit for L4T : Reading package lists... 18:16:27 INFO : CUDA Toolkit for L4T : Building dependency tree... 18:16:27 INFO : CUDA Toolkit for L4T : Reading state information... 18:16:27 INFO : CUDA Toolkit for L4T : You might want to run 'apt --fix-broken install' to correct these. 18:16:27 INFO : CUDA Toolkit for L4T : The following packages have unmet dependencies: 18:16:28 INFO : CUDA Toolkit for L4T : cuda-toolkit-10-0 : Depends: cuda-compiler-10-0 (>= 10.0.326) but it is not going to be installed 18:16:28 INFO : CUDA Toolkit for L4T : Depends: cuda-tools-10-0 (>= 10.0.326) but it is not going to be installed 18:16:28 INFO : CUDA Toolkit for L4T : Depends: cuda-samples-10-0 (>= 10.0.326) but it is not going to be installed 18:16:28 INFO : CUDA Toolkit for L4T : Depends: cuda-documentation-10-0 (>= 10.0.326) but it is not going to be installed 18:16:28 INFO : CUDA Toolkit for L4T : Depends: cuda-libraries-dev-10-0 (>= 10.0.326) but it is not going to be installed 18:16:28 INFO : CUDA Toolkit for L4T : Depends: cuda-nvml-dev-10-0 (>= 10.0.326) but it is not going to be installed 18:16:28 INFO : CUDA Toolkit for L4T : Depends: cuda-license-10-0 (>= 10.0.326) but it is not going to be installed 18:16:28 INFO : CUDA Toolkit for L4T : nvidia-docker2 : Depends: docker.io (= 18.09.2-0ubuntu1~18.04.1) but 18.06.1-0ubuntu1.2~18.04.1 is to be installed 18:16:28 INFO : CUDA Toolkit for L4T : E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). 18:16:28 INFO : CUDA Toolkit for L4T : Unhandled error when running sudo apt-get -y install cuda-toolkit-10-0 18:16:28 INFO : CUDA Toolkit for L4T : exit status 1 18:16:28 INFO : CUDA Toolkit for L4T : [Package Install Finished with Error] 18:16:28 ERROR : CUDA Toolkit for L4T : NV_L4T_CUDA_TARGET_POST_INSTALL_COMP command scp -q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no /tmp/tmp_NV_L4T_CUDA_TARGET_POST_INSTALL_COMP.sh sf@10.118.17.27:~; ssh -t -q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no sf@10.118.17.27 "~/tmp_NV_L4T_CUDA_TARGET_POST_INSTALL_COMP.sh && rm -f ~/tmp_NV_L4T_CUDA_TARGET_POST_INSTALL_COMP.sh" finished with error 18:16:28 INFO : CUDA Toolkit for L4T : 18:16:28 INFO : CUDA Toolkit for L4T : [9.93 MB used. Disk Avail: 43.59 GB] 18:16:28 INFO : CUDA Toolkit for L4T : [NV_L4T_CUDA_TARGET_POST_INSTALL_COMP Install took 10m9s] 18:16:28 INFO : CUDA Toolkit for L4T : command scp -q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no /tmp/tmp_NV_L4T_CUDA_TARGET_POST_INSTALL_COMP.sh sf@10.118.17.27:~; ssh -t -q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no sf@10.118.17.27 "~/tmp_NV_L4T_CUDA_TARGET_POST_INSTALL_COMP.sh && rm -f ~/tmp_NV_L4T_CUDA_TARGET_POST_INSTALL_COMP.sh" finished with error 18:16:28 ERROR : CUDA Toolkit for L4T : command terminated with error ``` ---
**Author:** ![linuxdev](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/linuxdev/32/10243_2.png) [@linuxdev](https://forums.developer.nvidia.com/u/linuxdev)\ **Post date:** [July 25, 2019, 9:00pm UTC](https://forums.developer.nvidia.com/t/install-jetpack-4-2-1-failed-on-xavier/78706/2 "2019-07-25T21:00:59Z")
Try this on the host and then rerun just the package install part (no need to flash again): ```auto sudo apt update sudo apt --fix-broken install sudo apt-get install libgconf-2-4 libcanberra-gtk-module python ``` ---
**Author:** ![zyukyunman](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@zyukyunman](https://forums.developer.nvidia.com/u/zyukyunman)\ **Post date:** [July 26, 2019, 9:09am UTC](https://forums.developer.nvidia.com/t/install-jetpack-4-2-1-failed-on-xavier/78706/3 "2019-07-26T09:09:32Z")
> [@](#): > > Try this on the host and then rerun just the package install part (no need to flash again): > > ```auto > sudo apt update > sudo apt --fix-broken install > sudo apt-get install libgconf-2-4 libcanberra-gtk-module python > > ``` i have installed successfully ,thank u. ---
**Author:** ![TomNVIDIA](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/tomnvidia/32/14181_2.png) [@TomNVIDIA](https://forums.developer.nvidia.com/u/TomNVIDIA)\ **Post date:** [October 18, 2021, 6:24pm UTC](https://forums.developer.nvidia.com/t/install-jetpack-4-2-1-failed-on-xavier/78706/4 "2021-10-18T18:24:16Z")
Closed on October 18, 2021, 6:24pm UTC