Date: Fri, 27 May 2005 15:34:15 +0200 From: "Norbert Koch" <NKoch@demig.de> To: <freebsd-hackers@freebsd.org> Subject: RE: panic in device driver strategy function: bp->b_dev==NULL Message-ID: <000301c562c0$c6825400$4801a8c0@ws-ew-3.W2KDEMIG> In-Reply-To: <000401c5629c$117c34a0$4801a8c0@ws-ew-3.W2KDEMIG>
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> Hello, > > I have written a small device driver for a static ram > based disk. The code is - more or less - derived from > Poul Henning Kamp's md device. > It is written for FreeBSD 4.X. > > This device is kld-loaded and runs without any problems > with my 'standard' kernel configuration. > > As soon as I boot a kernel with some debug settings the > driver crashes due to a failed assertion in my strategy > routine. > Hello again, I played around with configuration switches and found, that without "option DEBUG_LOCKS" all is ok. Any idea? Norbert Koch
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