[Bug 289494] panic: _mtx_lock_sleep: recursed on non-recursive mutex u2f lock

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 289494] panic: _mtx_lock_sleep: recursed on non-recursive mutex u2f lock"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 25 Sep 2025 07:56:05 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289494

--- Comment #6 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=186e433300fed9093dd9716baa20e838eb3b51b6

commit 186e433300fed9093dd9716baa20e838eb3b51b6
Author:     Vladimir Kondratyev <wulf@FreeBSD.org>
AuthorDate: 2025-09-25 07:54:19 +0000
Commit:     Vladimir Kondratyev <wulf@FreeBSD.org>
CommitDate: 2025-09-25 07:54:19 +0000

    u2f(4): Use taskqueue to start USB transfers from kqueue context

    to avoid recursion on u2f mutex and taking of hidbus sleepable lock.

    Tested by:      emaste
    PR:             289494
    MFC after:      2 days

 sys/dev/hid/u2f.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

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