Date: Wed, 18 Aug 2004 16:07:21 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-hackers@freebsd.org Cc: Dennis George <easyeinfo@yahoo.com> Subject: Re: Kernel Debugging Message-ID: <200408181607.21435.doconnor@gsoft.com.au> In-Reply-To: <20040818061124.83583.qmail@web53906.mail.yahoo.com> References: <20040818061124.83583.qmail@web53906.mail.yahoo.com>
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=2D----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Wed, 18 Aug 2004 15:41, Dennis George wrote: > I am studying the kernel source of FreeBSD. I like to know the flow of > packets from NIC to different modules of Kernel and then to the > user-level. I studied the code and identified some of the functions throu= gh > which the kernel handles network packets..... But I want to check from > where the control goes to that function....... > > So I decided to debug the kernel.... since I have only one machine I am > not checking for kgdb.... I decided to work with DDB so compiled the > kernel with option DDB and with debugging enabled (-g option). After > installing the new kernel I rebooted the system and in the boot prompt I > gave "-d" option to enter the debugging module..... My problem is that I > can't provide any breakpoints with this method... It gives me error > saying "symbol not found"..... Can anybody tell me where is the > problem................ Maybe you should try vmware then you can pretend you have 2 machines :) Not sure how to answer your actual question though. =2D --=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C =2D----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFBIvkh5ZPcIHs/zowRAhWKAJ90opCOwSjJVvWBTy7LhIufOzf/tgCfX+er n0sG45x5nGJez+nq1PxiZ+g=3D =3DwyB4 =2D----END PGP SIGNATURE-----
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