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Date:      Tue, 26 Jul 2016 02:02:52 -0700
From:      Mark Millard <markmi@dsl-only.net>
To:        Matthias Apitz <guru@unixarea.de>
Cc:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: seldom crashes on Dell E6330 with 12-CURRENT
Message-ID:  <8951B564-DE07-4D8D-B2D8-E3613EA5D9FE@dsl-only.net>
In-Reply-To: <20160726084134.GA4295@c720-r292778-amd64>
References:  <AA0CB035-FE90-4E7B-8EC6-77F3D83D5451@dsl-only.net> <20160726055015.GB2981@c720-r292778-amd64> <32C7E9E5-A51C-4836-9939-0D000016808C@dsl-only.net> <20160726084134.GA4295@c720-r292778-amd64>

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> On 2016-Jul-26, at 1:41 AM, Matthias Apitz <guru@unixarea.de> wrote:
>=20
> I just got a new panic with drop to debugger after shutdown, all disks
> have synced correctly, only something to page-in from swap was causing
> the problem; I don't know how to get a screen-shoot from this, so I =
took
> a picture, it's here http://www.unixarea.de/panic.jpg
>=20
> Btw: how can the kernel read from a swapfile if the file system is
> already unmounted?

I've no clue how the kernel is supposed to make sure that it does not =
need to use swap content that late. The answers to your question are =
well outside my knowledge base. I do not remember getting such a result =
myself.

Hopefully someone else can help or use your report to analyze the issue. =
You may want to submit a problem report in bugzilla for what happened, =
describing the context that it happened in.

> 	matthias

=3D=3D=3D
Mark Millard
markmi at dsl-only.net





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