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Document LTspice debugging: ruled-out list for the headless-Wine spin

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This commit is contained in:
Ryan Malloy 2026-06-20 22:33:58 -06:00
parent 1ec22c82dc
commit d8cc190388
1 changed files with 11 additions and 4 deletions
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15
docker-compose.prod.yml
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@ -7,10 +7,17 @@ services:
expose:
- "8000"
# LTspice engine is GATED. The backend image ships Wine 11.10 + the prefix,
# and the host carries ./ltspice (exe/lib/examples), but LTspice v26 stalls
# at graphics init under headless Wine in this slim image (works on the dev
# desktop). Without LTSPICE_DIR the engine reports "unavailable" and fails
# fast instead of hanging. To resume debugging, uncomment the two blocks:
# the host carries ./ltspice (exe/lib/examples), but LTspice v26's threads
# spin in userspace during startup under headless Wine in this slim image
# (runs fine on the dev desktop). Without LTSPICE_DIR the engine reports
# "unavailable" and fails fast instead of hanging.
#
# Ruled out (don't re-tread): Wine version (11.10 matches dev), the ini
# first-run seed, the X display (Xvfb up), GL/EGL/vulkan libs, fonts,
# 32-bit subsystem, color depth, and the entire CUPS/print path (cupsd up,
# CUPS_SERVER, libcups removed -- all still spin). Next: a userspace
# backtrace of the spinning thread, or pivot to running mcltspice on a
# real desktop and calling it remotely. To resume, uncomment both blocks:
# volumes:
# - ./ltspice:/opt/ltspice-src:ro
# environment: