Date: 28 Jul 2002 13:10:16 +0200 From: Dag-Erling Smorgrav <des@ofug.org> To: Charles Sprickman <spork@fasttrackmonkey.com> Cc: freebsd-hackers@freebsd.org, sos@freebsd.org Subject: Re: kern/40003: Panic on boot w/4.6-stable Message-ID: <xzpbs8skt0n.fsf@flood.ping.uio.no> In-Reply-To: <Pine.OSX.4.44.0207261646450.12157-100000@white.nat.fasttrackmonkey.com> References: <Pine.OSX.4.44.0207261646450.12157-100000@white.nat.fasttrackmonkey.com>
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Charles Sprickman <spork@fasttrackmonkey.com> writes: > (kgdb) up 11 > #11 0xc013e8a5 in ad_attach (atadev=0xc075b650) at ../../dev/ata/ata-disk.c:124 > 124 adp->heads = atadev->param->heads; > > (kgdb) p adp > $2 = (struct ad_softc *) 0x68c040 > (kgdb) p atadev > $3 = (struct ata_device *) 0xc075b650 > (kgdb) p *adp > Cannot access memory at address 0x68c040. > (kgdb) p *atadev > $4 = {channel = 0xc075b600, unit = 16, name = 0xc04503b0 "ad1", param = 0x0, > driver = 0x0, flags = 0, mode = 0, cmd = 0, result = 0x0} ad_attach() is trying to dereference atadev->param, which is NULL. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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