Date: Wed, 5 Sep 2007 11:20:48 PDT From: Michael Plass <plass@parc.com> To: freebsd-current@freebsd.org Cc: Michael Plass <plass@parc.com> Subject: Re: Unkillable and runaway processes Message-ID: <803595E4-8B91-4762-8F49-A9CD688D4EC2@parc.com> In-Reply-To: <20070905120016.2470416A4F8@hub.freebsd.org> References: <20070905120016.2470416A4F8@hub.freebsd.org>
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On Wed, 05 Sep 2007, Benjamin Close wrote: > I'd love to debug here this but can't as the box uses a USB > mouse/keyboard so every time I drop to a debugger I lose keyboard > support :( I have had some success using DDB with a USB keyboard by removing atk and kbdmux from the kernel config (nodevice lines for atkbdc, atkbd, psm, and kbdmux). A downside is that when I do this, dumps stop working - they hang on the call to cncheckc() when checking for user abort (the cncheckc() never returns). Replacing this call with (-1) allows the dump to proceed. For me, the relevant file is /usr/src/sys/amd64/amd64/ minidump_machdep.c. - Michael
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