See my another post sent few mins ago to this list…
On 12 May 2017, at 11:10, Tomas Brännström
<[email protected]<mailto:[email protected]>> wrote:
Thanks. I can try to use a later VPP version. A thing to note is that when we
did try to use the master release before, VPP failed to discover interfaces,
even when they were whitelisted. Not sure if something has changed in the way
VPP discover interfaces in later versions. I will try with 1704 though.
Ah OK sorry, should have realized what PF was in this context. Not sure of all
the info that might be needed but here's what I could think of:
root@node-4:~# lspci -t -v
[...]
+-03.0-[0b-0c]--+-00.0 Intel Corporation 82599ES 10-Gigabit
SFI/SFP+ Network Connection
| +-00.1 Intel Corporation 82599ES 10-Gigabit
SFI/SFP+ Network Connection
| +-10.0 Intel Corporation 82599 Ethernet
Controller Virtual Function
| +-10.1 Intel Corporation 82599 Ethernet
Controller Virtual Function
[...]
root@node-4:~# lshw -class network -businfo
Bus info Device Class Description
============================================================
pci@0000:0b:00.0 enp11s0f0 network 82599ES 10-Gigabit SFI/SFP+
Network Connection
pci@0000:0b:00.1 enp11s0f1 network 82599ES 10-Gigabit SFI/SFP+
Network Connection
root@node-4:~# cat /sys/class/net/enp11s0f0/device/sriov_totalvfs
63
root@node-4:~# cat /sys/class/net/enp11s0f0/device/sriov_numvfs
16
root@node-4:~# ethtool -i enp11s0f0
driver: ixgbe
version: 3.15.1-k
firmware-version: 0x61c10001
bus-info: 0000:0b:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
/Tomas
On 12 May 2017 at 10:44, Damjan Marion (damarion)
<[email protected]<mailto:[email protected]>> wrote:
On 12 May 2017, at 08:01, Tomas Brännström
<[email protected]<mailto:[email protected]>> wrote:
(I forgot to mention before, this is running with VPP installed from binaries
with release .stable.1701)
I strongly suggest that you use 17.04 release at least.
With PF do you mean packet filter? I don't think we have any such
configuration. If there is anything else I should provide then please tell :)
PF = SR-IOV Physical Function
I decided to try to attach to the VPP process with gdb and I actually get a
crash when trying to do "ip probe":
vpp# ip probe 10.0.1.1 TenGigabitEthernet0/6/0
exec error: Misc
Program received signal SIGSEGV, Segmentation fault.
ip4_probe_neighbor (vm=vm@entry=0x7f681533e720 <vlib_global_main>,
dst=dst@entry=0x7f67d345cc50, sw_if_index=sw_if_index@entry=1)
at
/w/workspace/vpp-merge-1701-ubuntu1404/build-data/../vnet/vnet/ip/ip4_forward.c:2223
2223
/w/workspace/vpp-merge-1701-ubuntu1404/build-data/../vnet/vnet/ip/ip4_forward.c:
No such file or directory.
(gdb) bt
#0 ip4_probe_neighbor (vm=vm@entry=0x7f681533e720 <vlib_global_main>,
dst=dst@entry=0x7f67d345cc50, sw_if_index=sw_if_index@entry=1)
at
/w/workspace/vpp-merge-1701-ubuntu1404/build-data/../vnet/vnet/ip/ip4_forward.c:2223
Whether this is related or not I'm not sure because yesterday I could do the
probe but got "Resolution failed". I've attached the stack trace at any rate.
/Tomas
On 11 May 2017 at 20:25, Damjan Marion (damarion)
<[email protected]<mailto:[email protected]>> wrote:
Dear Tomas,
Can you please share your PF configuration so I can try to reproduce?
Thanks,
Damjan
On 11 May 2017, at 17:07, Tomas Brännström
<[email protected]<mailto:[email protected]>> wrote:
Hello
Since the last mail I sent I've managed to get our test client working and VPP
running in a KVM VM.
We are still facing some problems though. We have a two servers, one where the
virtual machines are running and one we use as the openstack controller. They
are connected to each other with a 10G NIC. We have SR-IOV configured for the
10G NIC.
So VPP is installed in a VM, and all interfaces work OK, then can be reached
from outside the VM etc. Following the basic examples on the wiki, we configure
VPP to take over the interfaces:
vpp# set int ip address TenGigabitEthernet0/6/0
10.0.1.101/24<http://10.0.1.101/24>
vpp# set int ip address TenGigabitEthernet0/7/0
10.0.2.101/24<http://10.0.2.101/24>
vpp# set int state TenGigabitEthernet0/6/0 up
vpp# set int state TenGigabitEthernet0/7/0 up
But when trying to ping for example the physical NIC on the other server, we
get no reply:
vpp# ip probe 10.0.1.1 TenGigabitEthernet0/6/0
ip probe-neighbor: Resolution failed for 10.0.1.1
If I do a tcpdump on the physical interface when trying to ping, I see ARP
packets being sent so -something- is happening, but it seems that packets are
not correctly arriving to VPP... I can't ping from the physical host either,
but the ARP cache is updated on the host when trying to ping from VPP.
I've tried dumping counters etc. but I can't really see anything. The trace
does not show anything either. This is the output from "show hardware":
vpp# show hardware
Name Idx Link Hardware
TenGigabitEthernet0/6/0 1 up TenGigabitEthernet0/6/0
Ethernet address fa:16:3e:04:42:d1
Intel 82599 VF
carrier up full duplex speed 10000 mtu 9216
rx queues 1, rx desc 1024, tx queues 1, tx desc 1024
tx frames ok 3
tx bytes ok 126
extended stats:
tx good packets 3
tx good bytes 126
TenGigabitEthernet0/7/0 2 up TenGigabitEthernet0/7/0
Ethernet address fa:16:3e:f2:15:a5
Intel 82599 VF
carrier up full duplex speed 10000 mtu 9216
rx queues 1, rx desc 1024, tx queues 1, tx desc 1024
I've tried a similar setup between two virtual box VM's and that worked OK, so
I'm thinking it might have something to do with SR-IOV for some reason. I'm
having a hard time troubleshooting this since I'm not sure how to check where
the packets actually get lost...
/Tomas
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