From owner-freebsd-stable@freebsd.org  Wed Oct 11 08:25:03 2017
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To: FreeBSD Stable <freebsd-stable@freebsd.org>
Subject: cannot access Areca controller after OS upgrade to 10.4-RELEASE
From: Miroslav Lachman <000.fbsd@quip.cz>
Message-ID: <59DDD3BF.3010409@quip.cz>
Date: Wed, 11 Oct 2017 10:18:07 +0200
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Hello,

We have machine with Areca controller:

arcmsr0: <Areca SATA 3G Host Adapter RAID Controller
arcmsr version 1.40.00.00 2017-07-11
 > mem 0xde000000-0xde0fffff,0xde110000-0xde11ffff,0xde100000-0xde10ffff 
irq 17 at device 0.0 on pci2
Areca RAID adapter0: ARC-1200 F/W version V1.50 2012-01-04

smartmontools worked on device arcmsr0 for years, but after system 
upgrade from 10.3 to 10.4-RELEASE smartmontools does not return results, 
it hangs indefinitely.
Smartmontools packages are built on our Poudriere with OS version 10.4 
so it should match.

We use smartctl with this params:

# smartctl -A -d areca,2 /dev/arcmsr0
smartctl 6.5 2016-05-07 r4318 [FreeBSD 10.4-RELEASE amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

Nothing more is displayed. Pressing Ctrl+T gives me

load: 3.01  cmd: smartctl 25305 [running] 71.45r 3.09u 68.25s 100% 4204k
load: 3.01  cmd: smartctl 25305 [running] 74.96r 3.26u 71.58s 100% 4204k

I tried to run areca-cli but it also shows nothing. OS is running from 
RAID device da0 fine, but controller info is inaccessible.

Was there some changes between 10.3 / 10.4?

What can I do to debug this problem?

Kind regards
Miroslav Lachman