Date: Fri, 3 Oct 2008 00:50:36 +0200 From: cpghost <cpghost@cordula.ws> To: Oliver Lehmann <lehmann@ans-netz.de> Cc: freebsd-stable@freebsd.org Subject: Re: system hangup - I'm lost Message-ID: <20081002225036.GC2539@phenom.cordula.ws> In-Reply-To: <20081002185106.a1183896.lehmann@ans-netz.de> References: <20080929221408.54e6a03a.lehmann@ans-netz.de> <20081001172943.99e9d494.lehmann@ans-netz.de> <20081002185106.a1183896.lehmann@ans-netz.de>
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On Thu, Oct 02, 2008 at 06:51:06PM +0200, Oliver Lehmann wrote: > > today I'd a crash again - I was not able to get a crash dump (thought a > > "panic" at the end of the kdb would do it but didn't - should have called > > dumpon before ;)) - so here now the information I was able to retrieve: > > > > Ok, what I've got so far is wrinting stuff out to the console when the > > system hangs up: > > > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 2, size: 4096 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 2, size: 4096 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 2, size: 4096 > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 2, size: 4096 > > ... > > > > and now the debugger stuff: > > > > [snipped] > > > > So.. no idea? anyone? If it's PATA, check the cabling, then check it again, and just to make sure, replace the cable even if the system used to work flawlessly in the past. I've had this on a few servers, but replacing the cables always fixed the problem for me. Oh, btw, you can reproduce this exact behavior on diskless workstations with an NFS-mounted swap. IIRC, it even happened on VERY slow hardware with GBDE or GELI-encrypted swap partitions; but I'm not 100% sure it was due to slowness (it could have been a bad cabling issue as well). > -- > Oliver Lehmann > http://www.pofo.de/ > http://wishlist.ans-netz.de/ -cpghost. -- Cordula's Web. http://www.cordula.ws/
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