[pve-devel] can't add fwpr2004p0 to bridge vmbr0: Unknown error 524

Alexandre DERUMIER aderumier at odiso.com
Wed Jun 18 05:19:11 CEST 2014


I just send a patch

#pve-firewall compile --full

it should display full iptables commands and iptables-restore error message


----- Mail original ----- 

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Mercredi 18 Juin 2014 03:16:36 
Objet: Re: [pve-devel] can't add fwpr2004p0 to bridge vmbr0: Unknown error 524 

>>The output is very long! Do you need everything? 

how many rules do you have created ? are you talking about MB of output ? 

if it's too big, you can send them to my email directly 

----- Mail original ----- 

De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Mardi 17 Juin 2014 15:09:57 
Objet: Re: [pve-devel] can't add fwpr2004p0 to bridge vmbr0: Unknown error 524 

Am 17.06.2014 10:38, schrieb Alexandre DERUMIER: 
>>> Jun 17 10:28:04 cloud3-1351 pve-firewall[7944]: status update error: 
>>> command '/sbin/iptables-restore -n' failed: exit code 1 
> 
> something seem wrong in generate rules 
> 
> can you do a 
> 
> #pve-firewall compile 
> 
> to see generated rules ? 

The output is very long! Do you need everything? 

Stefan 

> ----- Mail original ----- 
> 
> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
> Cc: pve-devel at pve.proxmox.com 
> Envoyé: Mardi 17 Juin 2014 10:28:32 
> Objet: Re: [pve-devel] can't add fwpr2004p0 to bridge vmbr0: Unknown error 524 
> 
> Log says: 
> Jun 17 10:27:59 cloud3-1351 dnsmasq-dhcp[8437]: DHCP packet received on 
> fwbr2004i0 which has no address 
> Jun 17 10:28:02 cloud3-1351 dnsmasq-dhcp[8437]: DHCPDISCOVER(vmbr0) 
> c2:3e:63:19:6c:bf 
> Jun 17 10:28:02 cloud3-1351 dnsmasq-dhcp[8437]: DHCPOFFER(vmbr0) 
> 10.10.28.3 c2:3e:63:19:6c:bf 
> Jun 17 10:28:04 cloud3-1351 pve-firewall[7944]: status update error: 
> command '/sbin/iptables-restore -n' failed: exit code 1 
> 
> Am 17.06.2014 10:26, schrieb Stefan Priebe - Profihost AG: 
>> OK adding an empty 
>> netpoll pdo controller to the veth device in the kernel fixes the problem. 
>> 
>> The veth device does not support netpoll. 
>> 
>> Without the netconsole driver i can start the VM. But if the firewall is 
>> enabled i've not network - even with Input Policy and Output Policy set 
>> to ACCEPT. 
>> 
>> What should i check now? 
>> 
>> Stefan 
>> Am 16.06.2014 11:49, schrieb Alexandre DERUMIER: 
>>>>> I think this should get cleaned in that case? 
>>> 
>>> currently the cleanup is done: 
>>> 
>>> at vm shutdown 
>>> at vm start 
>>> when you disable|enable firewall on netX through api 
>>> 
>>> but indeed we can improve that (I'll try to have a look at it) 
>>> 
>>> 
>>>>> I just don't get why it works for vmbr1 but not for vmbr0. 
>>> 
>>> can you try to manually add 
>>> 
>>> #brctl addif fwln2004i0 fwbr2004i0 
>>> #brctl addif fwpr2004p0 vmbr0 
>>> 
>>> ? 
>>> 
>>> 
>>> 
>>> 
>>> ----- Mail original ----- 
>>> 
>>> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>>> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
>>> Cc: pve-devel at pve.proxmox.com 
>>> Envoyé: Lundi 16 Juin 2014 11:40:59 
>>> Objet: Re: [pve-devel] can't add fwpr2004p0 to bridge vmbr0: Unknown error 524 
>>> 
>>> Am 16.06.2014 11:37, schrieb Alexandre DERUMIER: 
>>>>>> What is the difference between the normal tap device without firewall - 
>>>>>> which works fine for me on vmbr0 and vmbr1 and the firewall tap one? 
>>>> 
>>>> They are not difference. 
>>>> 
>>>> we just need a dedicated bridge (fwbrxxx) by firewalled tap interface, 
>>>> and this bridge is plugged to vmbrX through a veth pair( fwprxxxx) 
>>> 
>>> I just don't get why it works for vmbr1 but not for vmbr0. 
>>> 
>>> I don't see a difference. 
>>> 
>>> Generally if adding the bridge fails for whatever reason there is a lot 
>>> of unremoved stuff: 
>>> 
>>> [: ~]# ip a l | grep fwbr 
>>> 14: fwbr2004i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue 
>>> state UP 
>>> 16: fwln2004i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc 
>>> pfifo_fast master fwbr2004i0 state UP qlen 1000 
>>> 
>>> [: ~]# ifconfig| grep ^fw 
>>> fwbr2004i0 Link encap:Ethernet HWaddr d2:74:33:d9:50:92 
>>> fwln2004i0 Link encap:Ethernet HWaddr d2:74:33:d9:50:92 
>>> fwpr2004p0 Link encap:Ethernet HWaddr b2:47:35:28:2c:de 
>>> 
>>> I think this should get cleaned in that case? 
>>> 
>>> Stefan 
>>> 
>>>> 
>>>> ----- Mail original ----- 
>>>> 
>>>> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>>>> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
>>>> Cc: pve-devel at pve.proxmox.com 
>>>> Envoyé: Lundi 16 Juin 2014 11:29:00 
>>>> Objet: Re: [pve-devel] can't add fwpr2004p0 to bridge vmbr0: Unknown error 524 
>>>> 
>>>> What is the difference between the normal tap device without firewall - 
>>>> which works fine for me on vmbr0 and vmbr1 and the firewall tap one? 
>>>> 
>>>> Stefan 
>>>> Am 16.06.2014 11:10, schrieb Stefan Priebe - Profihost AG: 
>>>>> Hi, 
>>>>> 
>>>>> i get the same problem with the official redhat PVE Kernel. 
>>>>> 
>>>>> What i don't understand is that it works fine with vmbr1 but not with 
>>>>> vmbr0. 
>>>>> 
>>>>> Interfaces file on host: 
>>>>> 
>>>>> auto vmbr0 
>>>>> iface vmbr0 inet static 
>>>>> address XX.XX.XX.XX 
>>>>> netmask 255.255.255.128 
>>>>> gateway XX.XX.XX.XX 
>>>>> bridge_ports bond0 
>>>>> bridge_stp off 
>>>>> bridge_fd 0 
>>>>> 
>>>>> auto vmbr1 
>>>>> iface vmbr1 inet manual 
>>>>> bridge_ports bond1 
>>>>> bridge_stp off 
>>>>> bridge_fd 0 
>>>>> 
>>>>> Stefan 
>>>>> 
>>>>> Am 16.06.2014 09:50, schrieb Alexandre DERUMIER: 
>>>>>>>> Do i need a special kernel feature? 
>>>>>> I don't think. 
>>>>>> It's just create a veth pair, then plug them in bridge. 
>>>>>> 
>>>>>> I check my logs, I don't have theses 
>>>>>> 
>>>>>> "netpoll: (null): fwpr2004p0 doesn't support polling, aborting " 
>>>>>> 
>>>>>> do you use a custom kernel ? 
>>>>> 
>>>>> Stefan 
>>>>> 
>> _______________________________________________ 
>> pve-devel mailing list 
>> pve-devel at pve.proxmox.com 
>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel 
>> 



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