netdev - Fw: [Bug 60669] New: Kernel panic when using HTB qdisc

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Message-ID: <20130731122532.171f76bf@nehalam.linuxnetplumber.net>
Date:	Wed, 31 Jul 2013 12:25:32 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	netdev@...r.kernel.org
Subject: Fw: [Bug 60669] New: Kernel panic when using HTB qdisc



Begin forwarded message:

Date: Wed, 31 Jul 2013 12:18:55 -0700
From: "bugzilla-daemon@...zilla.kernel.org" <bugzilla-daemon@...zilla.kernel.org>
To: "stephen@...workplumber.org" <stephen@...workplumber.org>
Subject: [Bug 60669] New: Kernel panic when using HTB qdisc


https://bugzilla.kernel.org/show_bug.cgi?id=60669

            Bug ID: 60669
           Summary: Kernel panic when using HTB qdisc
           Product: Networking
           Version: 2.5
    Kernel Version: 3.11.0-rc2+
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
          Assignee: shemminger@...ux-foundation.org
          Reporter: vi0oss@...il.com
        Regression: No

Created attachment 107064
  --> https://bugzilla.kernel.org/attachment.cgi?id=107064&action=edit
Kernel panic output

I'm trying to use HTB qdisc. Using something like this commands:

tc qdisc add dev eth1 root handle 55: htb default 1
tc class add dev eth1 parent 55: classid 55:1 htb rate 50000000
tc class add dev eth1 parent 55: classid 55:2 htb rate 50000000 prio -1
tc class add dev eth1 parent 55: classid 55:3 htb rate 50000000
iptables -t mangle -A OUTPUT -p icmp -j CLASSIFY --set-class 55:2
iptables -t mangle -A OUTPUT -p tcp --dport 5555 -j CLASSIFY --set-class 55:3
ifconfig eth1 192.168.98.2 up
cat /dev/zero | nc 192.168.98.2 5555&
cat /dev/zero | nc 192.168.98.2 5556&

The network connection shall be be fully loaded (so classes compete with each
other).

The "+" in kernel version is because of I am using a patch from bug 58691
(should be unrelated with iptables or traffic shaping).

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