Date: Thu, 16 Nov 2006 17:02:54 -0800 From: Jessica Han <jessicah@juniper.net> To: Kris Kennaway <kris@obsecurity.org> Cc: marcel@xcllnt.net, freebsd-arch@freebsd.org Subject: Re: A Patch for kgdb Message-ID: <455D0A3E.3020501@juniper.net> In-Reply-To: <20061117005025.GA72346@xor.obsecurity.org> References: <455D068A.2090503@juniper.net> <20061117005025.GA72346@xor.obsecurity.org>
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Kris, You are right, they didn't match, I was using a wrong kernel image when I got the error. I wasn't able to get the back trace info. Jessica Kris Kennaway wrote: > On Thu, Nov 16, 2006 at 04:47:06PM -0800, Jessica Han wrote: > >> I got an infinite loop while trying to debug a kernel core on FreeBSD 6.1. >> # uname -sr >> FreeBSD 6.1-RELEASE >> #kgdb kernel vmcore.0 >> kgdb: kvm_read: invalid address (0x50012) >> kgdb: kvm_read: invalid address (0x7) >> kgdb: kvm_read: invalid address (0xf5c) >> kgdb: kvm_read: invalid address (0xf5c) >> kgdb: kvm_read: invalid address (0xf5c) >> >> The attached patch fixed it, can somebody review it for me and commit it >> if it is okay? Thanks, >> > > This means that the kernel you're running against didn't match the > core - were you actually able to get a valid trace out of it? > > Kris >
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