I downloaded the latest TISDK (j7-evm-08_01_00_07) on to a new build machine and building tisdk-default-image fails with the following error. A bit of checking reveals that the commit hash does, in fact, exist in the upstream GIT repo but that repo does NOT have a "master" branch. The commit hash exists in the "main" branch.
WARNING: onnxruntime-1.7.0-r0_psdkla_3 do_fetch: Failed to fetch URL git://github.com/onnx/onnx;protocol=https;branch=master;destsuffix=/home/mlynch/ti-processor-sdk-linux-j7-evm-08_01_00_07/yocto-build/build/arago-tmp-external-arm-glibc/work/aarch64-linux/onnxruntime/1.7.0-r0_psdkla_3/git/cmake/external/onnx;name=cmake-external-onnx, attempting MIRRORS if available
ERROR: onnxruntime-1.7.0-r0_psdkla_3 do_fetch: Fetcher failure: Unable to find revision 237926eab41de21fb9addc4b03b751fd6a3343ec in branch master even from upstream