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From: "Steven Hartland" <killing@multiplay.co.uk>
To: =?iso-8859-1?Q?Dennis_K=F6gel?= <dk@neveragain.de>
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Subject: Re: Weird I/O hangs (9.1R, arcsas, interrupt spikes on uhci0)
Date: Wed, 19 Jun 2013 15:47:17 +0100
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Cc: freebsd-stable@freebsd.org, Ronald Klop <ronald-freebsd8@klop.yi.org>
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----- Original Message ----- 
From: "Dennis Kögel" <dk@neveragain.de>


> Am 19.06.2013 um 16:28 schrieb Steven Hartland:
>> Any timeouts show in /var/log/messages or in the areca event log?
>
> System logs don't show anything suspicious.
>
> Areca CLI utility -> "event info" is empty as well.

I'm not familar with that model of the areca but have you tried
with the standard OS driver or does it not support that card?

Also when you see hangs can you access the disk directly or not
e.g. dd if=/dev/da0 of=/dev/null bs=1m count=10 ?

    Regards
    Steve 


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