[Bug 296211] System hangs on poweroff after disconnecting geli and usb randomly as of 15.1

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 296211] System hangs on poweroff and reboot randomly"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 02 Jul 2026 19:57:15 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296211

--- Comment #6 from Justine Smithies <justine@smithies.me.uk> ---
Putting hw.usb.no_shutdown_wait=1 in /etc/sysctl.conf made no difference it
still hung. I have a switcheable 8 port USB 3 hub that is connected to my
ThinkPad via USB C. I have patiently powered up and shutdown turning the
Logitech camera off first then my Focusrite 2i2 DAC, Next my trackball until I
found my homebuilt TKL keyboard that is powered by a Pi Pico running QMK is
causing #FreeBSD to hang after a while after geli is unmounted and it starts
detaching USB devices. This has always worked and never caused an issue since
FreeBSD 14.1. So something in FreeBSD 15.0-15.1 must have changed as the
keyboard still works perfectly ?????

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