Tue, Nov 22, 2011 at 08:11:51AM CET, [email protected] wrote: >Hi, all >A kernel panic occurred when I do some operation about vlan. > > >The operation is as below: >ifconfig eth2 up >modprobe bonding >modprobe 8021q >ifconfig bond0 up >ifenslave bond0 eth2 >vconfig add eth2 3300 >vconfig add bond0 33 >vconfig rem eth2.3300 > > >the panic stack is as below: >[<ffffffffa002f1c9>] panic_event+0x49/0x70 [ipmi_msghandler] >[<ffffffff80378917>] notifier_call_chain+0x37/0x70 >[<ffffffff80372122>] panic+0xa2/0x195 >[<ffffffff80376ed8>] oops_end+0xd8/0x140 >[<ffffffff8001bea7>] no_context+0xf7/0x280 >[<ffffffff8001c1a5>] __bad_area_nosemaphore+0x175/0x250 >[<ffffffff80376318>] page_fault+0x28/0x30 >[<ffffffffa039dabd>] igb_vlan_rx_kill_vid+0x4d/0x100 [igb] >[<ffffffffa044045f>] bond_vlan_rx_kill_vid+0x9f/0x290 [bonding] >[<ffffffffa047e636>] unregister_vlan_dev+0x136/0x180 [8021q] >[<ffffffffa047ed20>] vlan_ioctl_handler+0x170/0x3f0 [8021q] >[<ffffffff802c1d3f>] sock_ioctl+0x21f/0x280 >[<ffffffff800e6d7f>] vfs_ioctl+0x2f/0xb0 >[<ffffffff800e726b>] do_vfs_ioctl+0x3cb/0x5a0 >[<ffffffff800e74e1>] sys_ioctl+0xa1/0xb0 >[<ffffffff80007388>] system_call_fastpath+0x16/0x1b >[<00007f108a2b8bd7>] 0x7f108a2b8bd7 > > >And the nic is as below: >[root@localhost ~]# ethtool -i eth2 >driver: igb >version: 3.0.6-k2 >firmware-version: 1.2-1 >bus-info: 0000:04:00.0 > > ># lspci | grep Eth >01:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network >Connection (rev 01) > > >kernel version： >2.6.32.12-0.7 also happen in 2.6.32-131
What kernel is this? RHEL? And what driver you are using? The one which came with kernel? In case of [yes, yes] answers I suggest filling up bug at bugzilla.redhat.com Jirka > > >I had tried the same operation on other nics, like tg3,bnx2. But they haven’t >panic. >So I find the reason is that igb have two more netdev_ops (ndo_vlan_rx_add_vid >and ndo_vlan_rx_kill_vid) than tg3 and bnx2. >I think the reason of panic is that when ndo_vlan_rx_kill_vid has been called, >the vlgrp haven’t been correctly find. > > >My question is what the purpose of "vlan_group_set_device(adapter->vlgrp, >vid, NULL);" in method igb_vlan_rx_kill_vid? > >unregister_vlan_dev(vlan.c) has done the same thing after >ops->ndo_vlan_rx_kill_vid was called. > >If I delete it , Would it cause somthing bad? > > >qinchuanyu ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
