August 4, 2026 · 10 min read
15 hours of downtime: the graphics card did it
Fifteen hours of downtime, caused by a graphics card that does not physically exist. A `reboot` over SSH left PID 1 wedged behind an emulated device on a server that has never had a monitor. The diagnosis, the rescue without a hard reset, and the one line in GRUB that stops a repeat.
