Just wanted to confirm this bug for another HP server: Kernel: 2.6.18-6-686 #1 SMP Fri Jun 6 22:22:11 UTC 2008 i686 GNU/Linux Package: linux-image-2.6.18-6-686_2.6.18.dfsg.1-18etch6_i386.deb Ifenslave: ifenslave-2.6_1.1.0-6_i386.deb Exact same bonding config (except the IP's) Note: The bonding works with mode: 0,2,3 but kernel panics on balance-alb (mode 6) The server is a HP Proliant GL360 g4 with 2 ethernet cards built-in: eth0: Tigon3 [partno(349321-001) rev 2100 PHY(5704)] (PCIX:66MHz:64-bit) 10/100/1000BaseT Ethernet 00:11:85:5c:3e:d3 eth1: Tigon3 [partno(349321-001) rev 2100 PHY(5704)] (PCIX:66MHz:64-bit) 10/100/1000BaseT Ethernet 00:11:85:5c:3e:d2