netdev - Fw: [Bug 86851] New: Reproducible panic on heavy UDP traffic

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Message-ID: <20141025141038.26fa5ac2@uryu.home.lan>
Date:	Sat, 25 Oct 2014 14:10:38 +0530
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	netdev@...r.kernel.org
Subject: Fw: [Bug 86851] New: Reproducible panic on heavy UDP traffic



Begin forwarded message:

Date: Fri, 24 Oct 2014 11:34:08 -0700
From: "bugzilla-daemon@...zilla.kernel.org" <bugzilla-daemon@...zilla.kernel.org>
To: "stephen@...workplumber.org" <stephen@...workplumber.org>
Subject: [Bug 86851] New: Reproducible panic on heavy UDP traffic


https://bugzilla.kernel.org/show_bug.cgi?id=86851

            Bug ID: 86851
           Summary: Reproducible panic on heavy UDP traffic
           Product: Networking
           Version: 2.5
    Kernel Version: 3.18-rc1
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: IPV4
          Assignee: shemminger@...ux-foundation.org
          Reporter: chutzpah@...too.org
        Regression: No

Created attachment 154861
  --> https://bugzilla.kernel.org/attachment.cgi?id=154861&action=edit
Panic message captured over serial console

This bug is being encountered on a machine with 6 ixgbe interfaces configured
as 3 bonded pairs. Currently using netperf for testing UDP throughput from ~136
client machines connected via 1G interfaces.

This is the command being run on the clients:
netperf -H XX.XX.XX.XX -t OMNI -l 60 -- -d send -T UDP -O throughput,direction
-m 16384

This is the command being run on the server:
netserver -4

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