ContributionsMost RecentMost LikesSolutionsDE10-nano does not boot with OpenCL image 18.1 Hello, I am using the OpenCL image version 18.1 to my DE10-nano and several times to boot freeze at: mmc0: new SDHC card at address 0001 mmcblk0: mmc0:0001 SD16G 7.44 GiB mmcblk0: p1 p2 p3 EXT3-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240) EXT2-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240) EXT4-fs (mmcblk0p2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (mmcblk0p2): mounted filesystem without journal. Opts: (null) VFS: Mounted root (ext4 filesystem) on device 179:2. devtmpfs: mounted Freeing unused kernel memory: 364K (806c9000 - 80724000) Re: how can I fix error while loading shared libraries: libalteracl.so: wrong ELF class: ELFCLASS64 Did you get to any clue with it? I have similar problem with my DE10-nano. The "libalteracl.so" either with 18.1 or 16.1 images, using the included executables. Below the complete log... root@socfpga:~# ls -l total 28 -rw-r--r-- 1 root root 225 Apr 27 2016 README drwx------ 2 root root 4096 Jan 24 2017 boardtest drwx------ 2 root root 4096 Apr 27 2016 hello_world -rw-r--r-- 1 root root 279 Apr 16 2014 init_opencl.sh drwxr-xr-x 7 root root 4096 Oct 5 2015 opencl_arm32_rte drwx------ 2 root root 4096 Jan 24 2017 swapper drwx------ 2 root root 4096 Jan 24 2017 vector_add root@socfpga:~# sh init_opencl.sh root@socfpga:~# cd boardtest/ root@socfpga:~/boardtest# root@socfpga:~/boardtest# root@socfpga:~/boardtest# ls boardtest.aocx boardtest_host root@socfpga:~/boardtest# ./boardtest_host ./boardtest_host: error while loading shared libraries: libalteracl.so: cannot open shared object file: No such file or directory