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[Bug 599263] New: bonding: recursive enslaving triggers kernel panic
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Fri, 23 Apr 2010 15:24:30 +0000
  • Message-id: <bug-599263-21960@xxxxxxxxxxxxxxxxxxxxxxxx/>
http://bugzilla.novell.com/show_bug.cgi?id=599263

http://bugzilla.novell.com/show_bug.cgi?id=599263#c0


Summary: bonding: recursive enslaving triggers kernel panic
Classification: openSUSE
Product: openSUSE 11.3
Version: Factory
Platform: All
OS/Version: openSUSE 11.3
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: lchiquitto@xxxxxxxxxx
QAContact: qa@xxxxxxx
Found By: ---
Blocker: ---


This bug was found while investigating bug #597762. It affects all maintained
products and mainline.

How to reproduce:

1. Configure network bonding:

# cat /etc/sysconfig/network/ifcfg-bond0
BONDING_MASTER='yes'
BONDING_MODULE_OPTS='mode=active-backup miimon=100'
BOOTPROTO='static'
BROADCAST=''
ETHTOOL_OPTIONS=''
IPADDR='10.1.1.60/8'
MTU=''
NAME=''
NETWORK=''
REMOTE_IPADDR=''
STARTMODE='auto'
USERCONTROL='no'
BONDING_SLAVE0='eth0'

2. Make sure network configuration is applied:

# rcnetwork restart

3. Enslave bond0 to bond0 to trigger crash:

# ip link set bond0 down
# echo +bond0 > /sys/class/net/bond0/bonding/slaves
# ifconfig

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