Date: Sat, 12 Aug 2006 10:31:24 +0300 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Christian Brueffer <brueffer@FreeBSD.org> Cc: freebsd-current@FreeBSD.org, sam@FreeBSD.org Subject: Re: is if_bridge broken? Message-ID: <20060812073123.GA9233@gothmog.pc> In-Reply-To: <20060812071830.GA1755@haakonia.hitnet.RWTH-Aachen.DE> References: <86zmeafnjz.fsf@gothmog.pc> <20060812071830.GA1755@haakonia.hitnet.RWTH-Aachen.DE>
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On 2006-08-12 09:18, Christian Brueffer <brueffer@FreeBSD.org> wrote: >On Sat, Aug 12, 2006 at 09:58:08AM +0300, keramida@FreeBSD.org wrote: >> I am trying to run QEMU on a fairly recent snapshot of HEAD, but it failed with: >> >> # DISPLAY=:0 qemu -win2k-hack -hda windows.img -boot c -net nic -net tap >> bridge0: creating bridge interface >> ifconfig: SIOCIFCREATE2: Invalid argument >> /etc/qemu-ifup: ERROR: bridge0: failed to create >> /etc/qemu-ifup: could not launch network script >> Could not initialize device 'tap' >> # >> >> At about the same time, `ifconfig bridge0 create' fails with: >> >> Aug 12 09:36:58 gothmog kernel: KLD if_bridge.ko: depends on bridgestp - not available >> Aug 12 09:36:58 gothmog giorgos: /etc/qemu-ifup: ERROR: bridge0: failed to create >> Aug 12 09:37:17 gothmog kernel: KLD if_bridge.ko: depends on bridgestp - not available >> Aug 12 09:48:25 gothmog kernel: KLD if_bridge.ko: depends on bridgestp - not available >> Aug 12 09:48:49 gothmog kernel: KLD if_bridge.ko: depends on bridgestp - not available >> >> It appears to have been caused by src/sys/net/if.h revision 1.261: >> >> date: 2006/07/09 06:04:00; author: sam; state: Exp; lines: +6 -3 >> Revise network interface cloning to take an optional opaque >> parameter that can specify configuration parameters: >> o rev cloner api's to add optional parameter block >> o add SIOCCREATE2 that accepts parameter data >> o rev vlan support to use new api (maintain old code) >> >> Reviewed by: arch@ >> >> Any idea how if_bridge can be fixed again? > > Have you tried loading the bridgestp module as suggested? Is has been > split out of if_bridge recently and exists in my CURRENT system. Yes :-( It doesn't make a lot of difference: root@gothmog:/root# kldstat | grep stp 17 1 0xc58f0000 4000 bridgestp.ko root@gothmog:/root# ifconfig bridge0 create ifconfig: SIOCIFCREATE2: Invalid argument root@gothmog:/root# This is with a kernel built from a checkout of 2006.08.11.10.58.24: $ uname -v FreeBSD 7.0-CURRENT #0: Fri Aug 11 22:23:01 EEST 2006 \ build@gothmog.pc:/home/build/obj/home/build/src/sys/GOTHMOG
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