[pve-devel] new bridge code doesn't work with redhat kernel

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Wed Feb 6 13:56:08 CET 2013


Hi,

Urgh... that's pretty sad. It was working fine my test. But maybe i
didn't test everything. Could you desribe me how exactly you've done the
test?

I've no bond running - just plain eth => bridge. Maybe that's the
important difference?

Stefan

Am 06.02.2013 09:47, schrieb Alexandre DERUMIER:
> Hi,
> I'm testing the new bridge code, and it doesn't work for me ! 
> 
> setup: bridge vmbr1, on top of bond0
>        guest vm (id 115) have an interface in vlan95
>        host kernel 2.6.32-18-pve
> 
> 
> But it's working fine with 3.7 kernel
> 
> 
> 
> Also I notice than we update the pve-common code, the old tagged network interface remain in bridge, 
> I don't known if it's can do network loop. (bond0.95 and vmbr1.95 in same bridge in my example)
> 
> 
> 
> 
> old 
> --------------
> #brctl show
> 
> vmbr1		8000.001aa03c98c5	no		bond0
> 
> vmbr1v95		8000.001aa03c98c5	no		bond0.95
> 							tap115i0
> 
> 
> update to last pve-common, restart the vm
> -------------------------------------------
> #qm stop 115
> #qm start 115
> #brctl show
> 
> vmbr1		8000.001aa03c98c5	no		bond0
> vmbr1v95		8000.001aa03c98c5	no		bond0.95 -->old bond0.95 always attached (don't known if it can cause network loop ?)
> 							tap115i0
> 							vmbr1.95
> 
> 
> (I have also restart the server to have a clean bridge, doesn't work too)
> 
> 
> 
> ----- Mail original ----- 
> 
> De: "Stefan Priebe" <s.priebe at profihost.ag> 
> À: "Dietmar Maurer" <dietmar at proxmox.com> 
> Cc: pve-devel at pve.proxmox.com 
> Envoyé: Lundi 28 Janvier 2013 17:45:27 
> Objet: Re: [pve-devel] [PATCH] pve-common: PVE/Network: rework of activate_bridge_vlan 
> 
> Thanks! 
> Am 28.01.2013 12:00, schrieb Dietmar Maurer: 
>> applied, thanks! 
>>
>>> -----Original Message----- 
>>> From: pve-devel-bounces at pve.proxmox.com [mailto:pve-devel- 
>>> bounces at pve.proxmox.com] On Behalf Of Stefan Priebe 
>>> Sent: Freitag, 25. Jänner 2013 22:16 
>>> To: pve-devel at pve.proxmox.com 
>>> Subject: [pve-devel] [PATCH] pve-common: PVE/Network: rework of 
>>> activate_bridge_vlan 
>>>
>>> - use ip command instead of old vconfig 
>>> - activate gvrp by default (it doesn't harm if the switch does not support it or 
>>> it is disabled) 
>>> - use bridge instead of raw ethernet device as vlan bridge 
>>>
>>> Signed-off-by: Stefan Priebe <s.priebe at profihost.ag> 
>>> --- 
>>> data/PVE/Network.pm | 22 ++++------------------ 
>>> 1 file changed, 4 insertions(+), 18 deletions(-) 
>>>
>>> diff --git a/data/PVE/Network.pm b/data/PVE/Network.pm index 
>>> 2c356eb..71045fe 100644 
>>> --- a/data/PVE/Network.pm 
>>> +++ b/data/PVE/Network.pm 
>>> @@ -72,28 +72,14 @@ sub activate_bridge_vlan { 
>>> die "got strange vlan tag '$tag_param'\n" if $tag < 1 || $tag > 4094; 
>>>
>>> my $bridgevlan = "${bridge}v$tag"; 
>>> - 
>>> - my $dir = "/sys/class/net/$bridge/brif"; 
>>> - 
>>> - #check if we have an only one ethX or bondX interface in the bridge 
>>> - 
>>> - my $iface; 
>>> - PVE::Tools::dir_glob_foreach($dir, '((eth|bond)\d+)', sub { 
>>> - my ($slave) = @_; 
>>> - 
>>> - die "more then one physical interfaces on bridge '$bridge'\n" if 
>>> $iface; 
>>> - $iface = $slave; 
>>> - 
>>> - }); 
>>> - 
>>> - die "no physical interface on bridge '$bridge'\n" if !$iface; 
>>> - 
>>> + my $iface = $bridge; 
>>> my $ifacevlan = "${iface}.$tag"; 
>>> + my $vlanflags = "reorder_hdr on gvrp on"; 
>>>
>>> # create vlan on $iface is not already exist 
>>> if (! -d "/sys/class/net/$ifacevlan") { 
>>> - system("/sbin/vconfig add $iface $tag") == 0 || 
>>> - die "can't add vlan tag $tag to interface $iface\n"; 
>>> + system("/sbin/ip link add link $iface name $ifacevlan type vlan id $tag 
>>> $vlanflags") == 0 || 
>>> + die "can't add vlan tag $tag to interface $iface\n"; 
>>> } 
>>>
>>> # be sure to have the $ifacevlan up 
>>> -- 
>>> 1.7.10.4 
>>>
>>> _______________________________________________ 
>>> pve-devel mailing list 
>>> pve-devel at pve.proxmox.com 
>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel 
>>
>>
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