Date: Mon, 13 Nov 2006 01:33:57 -0800 From: Garrett Cooper <youshi10@u.washington.edu> To: freebsd-questions@freebsd.org Subject: Re: bpf kernel module Message-ID: <45583C05.3090000@u.washington.edu> In-Reply-To: <da7069940611120649y1c86dd0flbda4952377df4b66@mail.gmail.com> References: <da7069940611111423i1084800bh560e161e870b3826@mail.gmail.com> <45564F2F.4070609@u.washington.edu> <da7069940611111556h20f4a916uf3f886007cc51726@mail.gmail.com> <da7069940611120649y1c86dd0flbda4952377df4b66@mail.gmail.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Vlad GURDIGA wrote: > On 12/11/06, Vlad GURDIGA <gurdiga@gmail.com> wrote: >> On 12/11/06, Garrett Cooper <youshi10@u.washington.edu> wrote: >> > -----BEGIN PGP SIGNED MESSAGE----- >> > Hash: SHA1 >> > >> > Vlad GURDIGA wrote: >> > > Hello, >> > > >> > > I'm trying to keep very close touch with 6.1_STABLE cvsupping sources >> > > once a week or even more often. I'm thinking of removing as much as >> > > possible devices from the kernel loading them from /boot/loader.conf >> > > instead, so I could rebuild and install them without a whole >> > > kernel/world rebuild and reboot when sources change. I'm not sure >> this >> > > is a correct way, any piece of advice regarding this would be highly >> > > appreciated. :) >> > > >> > > So, I've successfully done that with sound and network card drivers, >> > > but did not succeed with removing bpf from the kernel. Booting a >> > > kernel with no bpf support, and with >> > > ng_bpf_load="YES" in my loader.conf, the pflogd fails to start >> with this >> > > error: >> > > >> > > Nov 11 20:22:33 uxterm pflogd[10251]: Failed to initialize: (no >> > > devices found) /dev/bpf0: No such file or directory >> > > Nov 11 20:22:33 uxterm pflogd[10251]: Exiting, init failure >> > > >> > > And, tcpdump also fails saying that "no suitable device found". Of >> > > course there is no /dev/bpf0. >> > > >> > > Is there any way to have the bpf0 device without booting a kernel >> with >> > > bpf device included? >> > >> > Berkeley packet filter (bpf) is required for a lot of net related >> > things, such as dhcpcd, tcpdump (as you've discovered), amongst many >> > other things. Don't know if you want to go disabling that... > > I do not intend to disable it, just have it apart, so I could update it > easyer. > So, is it possible to have bpf apart from kernel? Not sure if it's possible or not, but someone is bound to know on one of the freebsd lists.. - -Garrett -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFWDwF6CkrZkzMC68RAmaJAJ43une+fFzquDmpVUkxCRwPvnv2gQCZARJr BqgPcyUDJyA1Uk4dlaXxJIs= =TU5H -----END PGP SIGNATURE-----
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