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Date:      Fri, 30 Apr 2021 16:27:49 +0000
From:      bugzilla-noreply@freebsd.org
To:        python@FreeBSD.org
Subject:   [Bug 255445] lang/python 3.8/3.9 SIGSEV core dumps in libthr TrueNAS
Message-ID:  <bug-255445-21822-avVFAtVZmL@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-255445-21822@https.bugs.freebsd.org/bugzilla/>
References:  <bug-255445-21822@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D255445

--- Comment #18 from yocalebo@gmail.com <yocalebo@gmail.com> ---
(In reply to Victor Stinner from comment #17)

Thanks for the tips and the links to your notes. However, the panics are st=
ill
happening on py3.9.4. Unfortunately, I've analyzed 11 core dumps at this po=
int.
10 from py3.8 and 1 from py3.9.4. All of their tstate has a reference to
lxml.etree._ParserDictionaryContext. I actually just analyzed a multiproces=
sing
core dump and it is panic'ing during garbage collection (visit_decref) but =
the
story is the same. _ParserDictionaryContext is in the thread at time of dum=
p.

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