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Date:      Thu, 23 Dec 2021 14:29:58 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 260406] pfctl: Cannot allocate memory (after a time)
Message-ID:  <bug-260406-227-lEszf7xS5R@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-260406-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-260406-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260406

--- Comment #27 from Kristof Provost <kp@freebsd.org> ---
Summarising some private debugging:

The "pfctl: Cannot allocate memory." originates in a failed uma_zalloc() in
pfr_create_kentry() on the V_pf_kentry_z ("pf table entries") zone. Confirm=
ed
by dtrace (which also shows unexplained issues, with some probes not firing
when they should).

There's no obvious reason why this allocation should fail. There's sufficie=
nt
free memory and we're far away from the configured limit. The current suspi=
cion
is a platform specific (this appears to only manifest on arm64) allocator
issue, but combined with the dtrace issues it's hard to say.

--=20
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