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Date:      Fri, 01 Jan 2021 18:19:22 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 252331] zfs over ggate terminates ggated with 0 length read
Message-ID:  <bug-252331-227-5pGuGIHGKT@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-252331-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252331

Fabian Keil <fk@fabiankeil.de> changed:

           What    |Removed                     |Added
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                 CC|                            |fk@fabiankeil.de

--- Comment #1 from Fabian Keil <fk@fabiankeil.de> ---
I could not reproduce the problem on ElectroBSD based on 11.4-STABLE r368530.

The cp fails with "No space left on device" as can be expected from the small
pool size.

I'm wondering if you're running into ggated recv_thread() queuing incomplete
WRITE requests.

I've reported this and other ggate-related issues in 2015 to
<security-officer@FreeBSD.org> but AFAIK it still hasn't been fixed upstream.

You could try the patch from:
<https://www.fabiankeil.de/sourcecode/electrobsd/ElectroBSD-r312620-6cfa243f1516/0021-ggated-recv_thread-Do-not-queue-incomplete-WRITE-requ.diff>;

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