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Date:      Mon, 11 Feb 2013 20:48:56 -0500
From:      Brett Wynkoop <wynkoop@wynn.com>
To:        Ian Lepore <ian@freebsd.org>
Cc:        Tim Kientzle <tim@kientzle.com>, freebsd-arm@freebsd.org
Subject:   Re: BeagleBone locked up
Message-ID:  <20130211204856.713c9ee2@ivory.local>
In-Reply-To: <1360629932.4545.150.camel@revolution.hippie.lan>
References:  <20130210231709.26f122dc@ivory.local> <B4346DD4-BA90-4A2C-A2B3-D5DBB6B68942@kientzle.com> <20130211190606.1c985baf@ivory.local> <1360629932.4545.150.camel@revolution.hippie.lan>

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On Mon, 11 Feb 2013 17:45:32 -0700
Ian Lepore <ian@freebsd.org> wrote:

> On Mon, 2013-02-11 at 19:06 -0500, Brett Wynkoop wrote:
> > Greeting-
> > 
> > While building a kernel the Bone stopped responding on the net and
> > this is what I found on the console:
> > 
> > ti_mmchs0: Error: current cmd NULL, already done?
> > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 5534, size:
> > 8192
> [...]
> > ti_mmchs0: Error: current cmd NULL, already done?
> > ifaddr cache = 0xc1fbd700  is deleted
> > ti_mmchs0: Error: current cmd NULL, already done?
> > ti_mmchs0: Error: current cmd NULL, already done?

snip

> 
> That's the second report recently of indefinite wait buffer.  What it
> really means is that it has been waiting more than 20 seconds to pull
> a page (or block of pages) in from swap.  That plus the cmd NULL
> errors tend to point in the direction of the mmchs driver.
> 
> -- Ian

Greeting-

I am glad that I am passing on needed feedback.  I did not have to
reboot the box, just waited and the console eventually responded again
and I restarted sshd.

-Brett

-- 

wynkoop@wynn.com               http://prd4.wynn.com/wynkoop/pgp-keys.txt
917-642-6925
718-717-5435

I would never invade the United States.  There would be a gun behind
every blade of grass.  --Isoroku Yamamoto




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