From: Bruce Richardson <bruce.richardson@intel.com>
To: Gopakumar Choorakkot Edakkunni <gopakumar.c.e@gmail.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] dpdk-2.0.0: crash in ixgbe_recv_scattered_pkts_vec->_recv_raw_pkts_vec->desc_to_olflags_v
Date: Wed, 1 Jul 2015 12:11:49 +0100 [thread overview]
Message-ID: <20150701111149.GB2480@bricha3-MOBL3> (raw)
In-Reply-To: <CABK1yFD+Kbafn1BtmS_GzxzB7j44wBz=AtOqrRSCt-0aXg9U9g@mail.gmail.com>
On Tue, Jun 30, 2015 at 05:50:14PM -0700, Gopakumar Choorakkot Edakkunni wrote:
> So update on this. Summary is that its purely my fault, apologies for
> prematurely suspecting the wrong areas. Details below
>
> 1. So my AWS box had an eth0 interface without DPDK, I enabled dpdk
> AND created a KNI interface also AND named the KNI interface to be
> eth0
>
> 2. So Ubuntu started its dhcpclient on that interface, but my app
> doesnt really do anything do read the dhcp (renews) from the KNI and
> send it out the physical port and vice versa .. The kni was just
> sitting there not doing much of Rx/Tx
>
> 3. Now my l2fwd-equivalent code started working fine, after a few
> minutes, the dhcp client on ubuntu gave up attempting dhcp renew (eth0
> already had an IP) and attempted to take off the IP from eth0
>
> 4. At this point the standard KNI examples in dpdk which has callbacks
> registered, ended up being invoked - and the examples have a
> port_stop() and a port_start() in them - and exactly at this point my
> app crashed
>
> So my bad! I just no-oped the callbacks for now and changed AWS eht0
> from dhcp to static IP and this are fine now ! My system has been up
> for long with no issues.
>
> Thanks again Thomas and Bruce for the quick response and suggestions
>
No problem. Thanks for letting us know that this was resolved.
Regards,
/Bruce
prev parent reply other threads:[~2015-07-01 11:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-30 15:49 Gopakumar Choorakkot Edakkunni
2015-06-30 16:08 ` Bruce Richardson
2015-06-30 16:08 ` Thomas Monjalon
2015-06-30 18:28 ` Gopakumar Choorakkot Edakkunni
2015-07-01 0:50 ` Gopakumar Choorakkot Edakkunni
2015-07-01 11:11 ` Bruce Richardson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150701111149.GB2480@bricha3-MOBL3 \
--to=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=gopakumar.c.e@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).