Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-25 Thread junaid khalid
the patch has solved my problem. thanks a lot On Wed, Apr 25, 2012 at 10:52 AM, junaid khalid < junaid.kha...@seecs.nust.edu.pk> wrote: > Thanks a lot. I will update you after testing it > > > On Wed, Apr 25, 2012 at 10:45 AM, Ben Pfaff wrote: > >> On Wed, Apr 25, 2012 at 10:38:45AM +0500, junai

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread junaid khalid
Thanks a lot. I will update you after testing it On Wed, Apr 25, 2012 at 10:45 AM, Ben Pfaff wrote: > On Wed, Apr 25, 2012 at 10:38:45AM +0500, junaid khalid wrote: > > we are talking about the recv failed problem (system@br0: recv failed > (No > > buffer space available)). > > Try applying the

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread Ben Pfaff
On Wed, Apr 25, 2012 at 10:38:45AM +0500, junaid khalid wrote: > we are talking about the recv failed problem (system@br0: recv failed (No > buffer space available)). Try applying the following patch from master to your tree. It may help. --8<--cut here---

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread junaid khalid
Hi, we are talking about the recv failed problem (system@br0: recv failed (No buffer space available)). It cannot be the problem with the controller since the flows are already written in the userspace. We have very limited rate (400 pkts/sec) while writing the flows and the controller can handl

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread Ben Pfaff
On Wed, Apr 25, 2012 at 10:28:05AM +0500, junaid khalid wrote: > On Wed, Apr 25, 2012 at 10:14 AM, Ben Pfaff wrote: > > > On Wed, Apr 25, 2012 at 09:43:50AM +0500, junaid khalid wrote: > > > On Tue, Apr 24, 2012 at 9:06 PM, Ben Pfaff wrote: > > > > > > > On Tue, Apr 24, 2012 at 07:02:37PM +0600,

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread junaid khalid
On Wed, Apr 25, 2012 at 10:14 AM, Ben Pfaff wrote: > On Wed, Apr 25, 2012 at 09:43:50AM +0500, junaid khalid wrote: > > On Tue, Apr 24, 2012 at 9:06 PM, Ben Pfaff wrote: > > > > > On Tue, Apr 24, 2012 at 07:02:37PM +0600, junaid khalid wrote: > > > > Do you mean the setup of flows in cached flow

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread Ben Pfaff
On Wed, Apr 25, 2012 at 09:43:50AM +0500, junaid khalid wrote: > On Tue, Apr 24, 2012 at 9:06 PM, Ben Pfaff wrote: > > > On Tue, Apr 24, 2012 at 07:02:37PM +0600, junaid khalid wrote: > > > Do you mean the setup of flows in cached flow table in kernel module? We > > > are sending packets after se

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread junaid khalid
On Tue, Apr 24, 2012 at 9:06 PM, Ben Pfaff wrote: > On Tue, Apr 24, 2012 at 07:02:37PM +0600, junaid khalid wrote: > > Do you mean the setup of flows in cached flow table in kernel module? We > > are sending packets after setting up the flows. Therefore, this problem > > should be in the fast pat

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread Ben Pfaff
On Tue, Apr 24, 2012 at 07:02:37PM +0600, junaid khalid wrote: > Do you mean the setup of flows in cached flow table in kernel module? We > are sending packets after setting up the flows. Therefore, this problem > should be in the fast path or in other words, between the ovs-vswitchd and > kernel m

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-24 Thread junaid khalid
Hi, Do you mean the setup of flows in cached flow table in kernel module? We are sending packets after setting up the flows. Therefore, this problem should be in the fast path or in other words, between the ovs-vswitchd and kernel module. About traffic passing from the switch, MTU size UDP packet

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-23 Thread Ben Pfaff
On Mon, Apr 23, 2012 at 03:54:09PM +0600, junaid khalid wrote: > 1) Apr 23 13:19:27|00019|dpif|WARN|system@br0: recv failed (No buffer space > available) Packets are arriving at your interfaces faster than ovs-vswitchd can set up flows. What traffic is going through the switch? > 2) Apr 23 13:19

Re: [ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-23 Thread junaid khalid
Just to add, we are not rate limiting the log messages. On Mon, Apr 23, 2012 at 3:54 PM, junaid khalid < junaid.kha...@seecs.nust.edu.pk> wrote: > Hi, > > We are getting the following warnings while using OVS. > > 1) Apr 23 13:19:27|00019|dpif|WARN|system@br0: recv failed (No buffer > space avail

[ovs-discuss] warning messages regarding buffer space and unknown buffer

2012-04-23 Thread junaid khalid
Hi, We are getting the following warnings while using OVS. 1) Apr 23 13:19:27|00019|dpif|WARN|system@br0: recv failed (No buffer space available) 2) Apr 23 13:19:37|00033|pktbuf|WARN|cookie mismatch: 01fa != 02fa Apr 23 13:19:37|00034|connmgr|INFO|br0<->tcp:127.0.0.1:6633: sending type