[Bug 243225] mpr0: Out of chain frames leads to boot hang

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 19 May 2026 14:37:02 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243225

--- Comment #23 from ant2 <ant_mail@inbox.ru> ---
Booting in "SafeMode" worked.
I think because of kern.smp.disabled=1.
I've tried  kern.eventtimer.periodic=1 separately but it didn't help.

My hint
 hw.mpr.debug_level=0x42
not worked.

 hw.nvme.per_cpu_io_queues="0"
worked.

It seems for me the problem manifested only when there is a nvme in the system.

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