Date: Fri, 11 May 2007 18:04:31 -0400 From: Diane Bruce <db@db.net> To: Kris Kennaway <kris@obsecurity.org> Cc: Roger Miranda <rmiranda@digitalrelay.ca>, freebsd-stable@freebsd.org Subject: Re: Hard Hang, nothing in logs / no panics Message-ID: <20070511220431.GA45104@night.db.net> In-Reply-To: <20070511214735.GA31850@xor.obsecurity.org> References: <200705111442.52523.rmiranda@digitalrelay.ca> <200705111621.26691.rmiranda@digitalrelay.ca> <20070511213830.GA31604@xor.obsecurity.org> <200705111643.08417.rmiranda@digitalrelay.ca> <20070511214735.GA31850@xor.obsecurity.org>
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On Fri, May 11, 2007 at 05:47:35PM -0400, Kris Kennaway wrote: > On Fri, May 11, 2007 at 04:43:06PM -0500, Roger Miranda wrote: > > > > > You missed that the debugger is there to debug bugs (including > > > deadlocks). Break to the debugger and obtain the necessary debugging > > > > I should've been more clear. I can not break to the debugger (CTRL-ALT-ESC) > > when the system locks up. > > You may need the KDB_STOP_NMI option, especially if it is an SMP He can also try a serial console, if he can scare up something to use as a serial console. Serial ports are becoming legacy but if he can do it, it might help him. - Diane -- - db@FreeBSD.org db@db.net http://www.db.net/~db
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