Date: Mon, 11 Feb 2013 17:45:32 -0700 From: Ian Lepore <ian@FreeBSD.org> To: Brett Wynkoop <wynkoop@wynn.com> Cc: Tim Kientzle <tim@kientzle.com>, freebsd-arm@FreeBSD.org Subject: Re: BeagleBone locked up Message-ID: <1360629932.4545.150.camel@revolution.hippie.lan> In-Reply-To: <20130211190606.1c985baf@ivory.local> References: <20130210231709.26f122dc@ivory.local> <B4346DD4-BA90-4A2C-A2B3-D5DBB6B68942@kientzle.com> <20130211190606.1c985baf@ivory.local>
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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? > > The interesting thing is I have seen this same swap_pager error message > on my 32 bit x86 FreeBSD 9 box when it drops it's IDE disks and goes > off the net as well. > > The last I saw of the kernel recompile it was at linking just before it > locked up. > > Ideas? 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
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