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The ISO boots linux-t2 on every machine. On a MacBookPro11,4 applesmc finds the SMC and then takes a NULL pointer dereference registering the keyboard-backlight LED, in led_trigger_set_default -> queue_work_on. The udev worker dies mid-init holding locks and the damage spreads: reading the half-registered LED blocks systemd-backlight, opening /dev/rfkill blocks iwd while it holds the global misc_mtx, and every later misc device open blocks behind that mutex. LVM opens one, so the install stops at "Cleaning up existing holders on install disk" and never resumes — no error, no progress, nothing to see. Nothing in the installer needs the SMC. It reads sensors and drives the fans and keyboard backlight, and the firmware manages the fans by itself; the installed system still loads applesmc normally. Blacklisting it in the live environment only, alongside the Panther Lake audio blacklist that exists for the same class of problem. Extracted from #102, which also carried an unrelated rework of the disk probes. Co-Authored-By: cupatea <vladyslav@hey.com> Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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179 B
Plaintext
4 lines
179 B
Plaintext
# linux-t2 ships for every machine, and on a pre-T2 Mac its applesmc oopses
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# registering the keyboard-backlight LED, wedging udev. Nothing here needs the SMC.
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blacklist applesmc
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