On Jan 3, 2013, at 4:19 PM, Andrew Shadura wrote: > I think it is actually a bug; not sure where exactly. Try to debug it > by changing the shebang of /lib/bridge-utils/ifupdown.sh to #!/bin/sh -x > and see what happens. It was supposed to bring the interface up, as I > understand.
Ah, that is useful. On wheezy for br0.4094: if test -d /sys/class/net/br0 -a ! -d /sys/class/net/br0.4094 ; then ip link set up dev br0; ip link add link br0 name br0.4094 type vlan id 4094; fi Configuring interface br0.4094=br0.4094 (inet) run-parts --verbose /etc/network/if-pre-up.d run-parts: executing /etc/network/if-pre-up.d/bridge + [ ! -x /sbin/brctl ] + . /lib/bridge-utils/bridge-utils.sh + INTERFACES=eth0.4094 + [ start = start ] + [ ! -d /sys/class/net/br0.4094 ] + [ start = stop ] Full-text for wheezy (VERBOSE=y, sh -x in ifupdown.sh): http://paste.debian.net/221661/ Full-text for squeeze (sh -x in ifupdown.sh) (=== echo'd start of script): http://paste.debian.net/221662/ > Probably, I can teach ifupdown to know about bridge-utils existance, so it > won't configure the link if it sees non-empty bridge_ports parameter. > How do you think, should it be enough? > > If I do that, this part: > >> if test -d /sys/class/net/br0 -a ! -d /sys/class/net/br0.4094 ; >> then ip link set up dev br0; >> ip link add link br0 name br0.4094 type vlan id 4094; >> fi > > will be executed if and only if bridge_ports parameter isn't specified. I think that will do the trick. Doing so will cause brctl addbr to run as desired. >> I did notice there are some issues with the down process. For example, >> when br1 goes down, it's also removing VLAN eth0.4094 though >> technically eth0.4094 should be responsible for its own VLAN config. > > Don't really understand what exactly it is, let's try to fix (1) and > (2) and then look into this thing — I assume you can try to get some > debug logs. Sounds good to me. >> run-parts: executing /etc/network/if-pre-up.d/bridge >> Set name-type for VLAN subsystem. Should be visible >> in /proc/net/vlan/config ERROR: trying to add VLAN #4094 to IF >> -:eth0:- error: File exists run-parts: > > I guess there may be a bug in bridge-utils. This happens in squeeze also. Seems to work regardless. I suspect something lurking there. May cause issues down the road. Thanks, Michael -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
