[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-23 Thread Martin Weiser
Hi Bruce, yes, you are absolutely right. That resolves the problem. I was really happy to see that DPDK 1.8 includes proper default configurations for each driver and I made use of this. But unfortunately I was not aware that the default configuration did include the ETH_TXQ_FLAGS_NOMULTSEGS flag

[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-23 Thread Martin Weiser
Hi Bruce, I now had the chance to reproduce the issue we are seeing with a DPDK example app. I started out with a vanilla DPDK 1.8.0 and only made the following changes: diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c index e684234..48e6b7c 100644 --- a/examples/l2fwd/main.c +++

[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-23 Thread Bruce Richardson
On Fri, Jan 23, 2015 at 12:37:09PM +0100, Martin Weiser wrote: > Hi Bruce, > > I now had the chance to reproduce the issue we are seeing with a DPDK > example app. > I started out with a vanilla DPDK 1.8.0 and only made the following changes: > > diff --git a/examples/l2fwd/main.c

[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-22 Thread Prashant Upadhyaya
On Wed, Jan 21, 2015 at 7:19 PM, Bruce Richardson < bruce.richardson at intel.com> wrote: > On Tue, Jan 20, 2015 at 11:39:03AM +0100, Martin Weiser wrote: > > Hi again, > > > > I did some further testing and it seems like this issue is linked to > > jumbo frames. I think a similar issue has

[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-22 Thread Bruce Richardson
On Thu, Jan 22, 2015 at 07:35:45PM +0530, Prashant Upadhyaya wrote: > On Wed, Jan 21, 2015 at 7:19 PM, Bruce Richardson < > bruce.richardson at intel.com> wrote: > > > On Tue, Jan 20, 2015 at 11:39:03AM +0100, Martin Weiser wrote: > > > Hi again, > > > > > > I did some further testing and it

[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-21 Thread Bruce Richardson
On Tue, Jan 20, 2015 at 11:39:03AM +0100, Martin Weiser wrote: > Hi again, > > I did some further testing and it seems like this issue is linked to > jumbo frames. I think a similar issue has already been reported by > Prashant Upadhyaya with the subject 'Packet Rx issue with DPDK1.8'. > In our

[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-20 Thread Martin Weiser
Hi again, I did some further testing and it seems like this issue is linked to jumbo frames. I think a similar issue has already been reported by Prashant Upadhyaya with the subject 'Packet Rx issue with DPDK1.8'. In our application we use the following rxmode port configuration: .mq_mode=

[dpdk-dev] Segmentation fault in ixgbe_rxtx_vec.c:444 with 1.8.0

2015-01-19 Thread Martin Weiser
Hi everybody, we quite recently updated one of our applications to DPDK 1.8.0 and are now seeing a segmentation fault in ixgbe_rxtx_vec.c:444 after a few minutes. I just did some quick debugging and I only have a very limited understanding of the code in question but it seems that the 'continue'