[Bug 255041] panic: system freeze/panic with D29125 patch

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Wed Apr 14 16:21:14 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255041

Kyle Evans <kevans at freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ae at FreeBSD.org

--- Comment #5 from Kyle Evans <kevans at freebsd.org> ---
(In reply to Masachika ISHIZUKA from comment #4)

CC'ing Andrey, looks like b99a6823204f0ecbefef21af585dde03c4d76ba1 ("Rework
ipfw dynamic states implementation to be lockless on fast path.") started doing
M_WAITOK allocations in a callout (dyn_tick -> dyn_grow_hashtable), which is a
non-sleepable context.

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