If I type Alt + Print Screen + R, E, I, S, U, then B, it shuts down. If I try O instead of B, it doesn’t – I merely see the log printed in Plymouth’s dmesg throughput / the TTY.

The cause is kernel 6.15.3: [image] Update to 6.15 failed due to kernel null pointer dereference Ask Fedora Hopefully, this is evidence enough: [1] 23:55:34 systemd[1]: systemd-udevd.service: State 'stop-sigterm' timed out. Killing. 23:55:34 systemd[1]: systemd-udevd.se…

Why does SysRq's reboot work, but not shutdown?

Ask Fedora

rokejulianlockhart (Mr. Beedell, Roke Julian Lockhart (RJLB)) June 28, 2025, 3:57pm 6

The cause is kernel 6.15.3:

For a reason unbeknownst to me, when it’s hung, solely B works. In 6.14.11, O operates as expected.

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Why does SysRq's reboot work, but not shutdown?

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