Media test runtime fails when FFmpeg alternatives resolve to staged BLAS symlink #1571

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opened 2026-10-11 04:16:54 +00:00 by kayg · 0 comments
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The Money #1570 profile stops before server startup on the Debian perf VM. tests/adversarial/prepare-media-runtime.sh creates lib/libblas.so.3 as a symlink to the real host library, then its FFmpeg alternatives loop copies that same resolved library onto the symlink target. GNU cp exits 1: are the same file. This is not a Money projection failure.

Reproduction: run the script on a host where FFmpeg links BLAS through /etc/alternatives. Keep the runtime private; either skip an already resolved matching destination or replace the symlink before copying. The #1570 run supplied a private runtime with real copied BLAS/LAPACK files instead. No shared runtime or host library was changed.

The Money #1570 profile stops before server startup on the Debian perf VM. `tests/adversarial/prepare-media-runtime.sh` creates `lib/libblas.so.3` as a symlink to the real host library, then its FFmpeg alternatives loop copies that same resolved library onto the symlink target. GNU cp exits 1: `are the same file`. This is not a Money projection failure. Reproduction: run the script on a host where FFmpeg links BLAS through `/etc/alternatives`. Keep the runtime private; either skip an already resolved matching destination or replace the symlink before copying. The #1570 run supplied a private runtime with real copied BLAS/LAPACK files instead. No shared runtime or host library was changed.
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kayg/calternal-v0#1571
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