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Date:      Wed, 16 Aug 2023 00:37:34 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   =?UTF-8?B?W0J1ZyAyNzE5NDVdIHBhbmljOiBkZWFkbHJlc190ZF9zbGVlcF9x?= =?UTF-8?B?OiBwb3NzaWJsZSBkZWFkbG9jayBkZXRlY3RlZCBmb3Ig4oCmIChzdGF0KSB8?= =?UTF-8?B?IChwb3N0Z3JlcykgfCAoTFRPIHRvbWwuNTRkMjgxNzEtYykgLCBibG9ja2Vk?= =?UTF-8?B?IGZvciDigKYgdGlja3Mg4oCTIGR1cmluZyBwb3VkcmllcmUtYnVsayg4KQ==?=
Message-ID:  <bug-271945-227-TzrnoF4s7R@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-271945-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-271945-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D271945

--- Comment #21 from Jason Unovitch <junovitch@freebsd.org> ---
(In reply to Graham Perrin =E2=97=90 from comment #20)

Ballpark cycles in the in the 10-50 range. Wasn't able to scroll back in tm=
ux
after the deadlock. Did two ctrl-t's to see the same siginfo on zfs teardown
inactive before power cycling over IPMI. Still on 14.0-ALPHA1 FreeBSD
14.0-ALPHA1 amd64 1400094 #0 main-n264709-543cf924bcdc. The clock time to
deadlock was maybe 20 seconds on this 8 core/16 thread machine // nproc of =
16.=20=20

Great repro case to des@.

If we get to a patch-ready state I should be able to test it within 24 hour=
s.

...

fill zroot/zfsdl/11...
rollback zroot/zfsdl/07...
fill zroot/zfsdl/02...
fill zroot/zfsdl/01...
fill zroot/zfsdl/12...
fill zroot/zfsdl/13...
fill zroot/zfsdl/14...
rollback zroot/zfsdl/08...
fill zroot/zfsdl/03...
fill zroot/zfsdl/04...
fill zroot/zfsdl/15...
rollback zroot/zfsdl/09...
fill zroot/zfsdl/05...
rollback zroot/zfsdl/10...
fill zroot/zfsdl/16...
fill zroot/zfsdl/06...
fill zroot/zfsdl/07...
fill zroot/zfsdl/08...
fill zroot/zfsdl/09...
fill zroot/zfsdl/10...
rollback zroot/zfsdl/11...
rollback zroot/zfsdl/01...
rollback zroot/zfsdl/02...
fill zroot/zfsdl/11...

load: 2.08  cmd: bsdtar 51349 [zfs teardown inactive] 27.83r 0.00u 0.00s 0%
8396k

load: 0.59  cmd: bsdtar 51349 [zfs teardown inactive] 130.93r 0.00u 0.00s 0%
8396k

--=20
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