Date: Mon, 13 Nov 2006 15:22:13 +0300 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Barry Boes <barry.boes@acciodata.com> Cc: RelEng <re@FreeBSD.org>, John Baldwin <jhb@FreeBSD.org>, freebsd-net <freebsd-net@FreeBSD.org>, Prafulla Deuskar <pdeuskar@FreeBSD.org>, Jack Vogel <jfvogel@gmail.com>, jfv@FreeBSD.org, freebsd-stable@FreeBSD.org Subject: Re: EM stability Message-ID: <20061113122212.GN32700@cell.sick.ru> In-Reply-To: <17751.33660.897403.267059@gargle.gargle.HOWL> References: <17748.37662.708865.764722@gargle.gargle.HOWL> <20061110150840.GK32700@cell.sick.ru> <17748.53164.372871.270153@gargle.gargle.HOWL> <17748.64782.579350.492909@gargle.gargle.HOWL> <2a41acea0611101447j29acdc3k820276de92204735@mail.gmail.com> <17751.33660.897403.267059@gargle.gargle.HOWL>
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On Sun, Nov 12, 2006 at 02:26:36PM -0600, Barry Boes wrote: B> After the last hang I added giant locks back in and the machine has B> been up since. B> B> I don't have a serial console, just a graphic console. When the B> machine hangs it stops replying to ethernet packets at all protocol B> levels and doesn't respond to keyboard input in any way, virtual B> console or otherwise. If I run a script of the form B> while(1) B> sleep 1 B> date >> datelog B> end B> B> the file stops updating when the machine hangs. B> B> I will define the debugger in the kernel (options DDB, right?), attach B> a serial console, and do what I can to get more information on the B> problem. Yes, this looks like something is running in an endless loop. Once you compile kernel with debugger, you should enter in several times and see the backtraces. Usually, they will be inside this cycle. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
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