Date: Sat, 11 Nov 2006 14:31:11 -0800 From: Garrett Cooper <youshi10@u.washington.edu> To: freebsd-questions@freebsd.org Subject: Re: bpf kernel module Message-ID: <45564F2F.4070609@u.washington.edu> In-Reply-To: <da7069940611111423i1084800bh560e161e870b3826@mail.gmail.com> References: <da7069940611111423i1084800bh560e161e870b3826@mail.gmail.com>
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-----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... - -Garrett -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFVk8v6CkrZkzMC68RAmxpAJ9V9Rlz5fCW190FSoWYB8ZjRtBYawCfVG6s QbadL9e1NLAbhtOunZLwrt0= =VYKr -----END PGP SIGNATURE-----
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