iptables引發cneots伺服器無法啟動

stats-storage-0:/root#iptables--flush
stats-storage-0:/etc/sysconfig/network-scripts#serviceiptablesstart
Flushingfirewallrules:[OK]
SettingchainstopolicyACCEPT:filter[OK]
Unloadingiptablesmodules:

...andthereithangs.WhenIthenrun,inanotherwindow:

stats-storage-0:/root#serviceopenibdstop
UnloadingOpenIBkernelmodules:[OK]

...thentheiptablesrunfrombeforecompletessuccessfully.

Isthisaknown/reportedbug?Oristhissomethingnew?

Note:Ihavemodified/etc/sysconfig/iptables-config,tocommentout
thisline:

#IPTABLES_MODULES="ip_conntrack_netbios_ns"
IPTABLES_MODULES=""

Ididthisinanattempttostoptheactualkernelpanics,which
areofcourseworse.Thelogsfromoneofthosekernelpanics:

iRemovingnetfilterNETLINKlayer.
ip_tables:(C)2000-2006NetfilterCoreTeam
NetfiltermessagesviaNETLINKv0.30.
ip_conntrackversion2.4(8192buckets,65536max)-304bytesper
conntrack
Unabletohandlekernelpagingrequestat0000000000200200RIP:
[<ffffffff80157b5d>]list_del+0x8/0x71
PGD6b0eb067PUD6f36c067PMD0
Oops:0000[1]SMP
lastsysfsfile:
/devices/pci0000:00/0000:00:02.0/0000:04:00.0/0000:05:00.0/0000:06:00.0/0000:07:
00.0/irq
CPU7
Moduleslinkedin:ip_conntracknfnetlinknfsfscachehfsplusnfsd
exportfsnfs_aclauth_rpcgssopenafs(PU)autofs4ipmi_devintfipmi_si
ipmi_msghandlerlockdsunrpcipt_REJECTip6t_REJECTxt_tcpudp
ip6table_filterip6_tablesx_tablesbe2iscsiiscsi_tcpbnx2icnicuio
cxgb3icxgb38021qlibiscsi_tcpib_iserlibiscsi2scsi_transport_iscsi2
scsi_transport_iscsiib_srprdsib_sdpib_ipoibipoib_helperipv6
xfrm_nalgocrypto_apirdma_ucmrdma_cmib_ucmib_uverbsib_umadib_cm
iw_cmib_addrib_samlx4_ibib_madib_coreloopdm_mirrordm_multipath
scsi_dhvideobacklightsbspower_meterhwmoni2c_eci2c_coredell_wmiwmi
buttonbatteryasus_acpiacpi_memhotplugacparport_pclpparportmlx4_en
joydevsr_modcdromsgqla2xxxtpm_tistpmmlx4_coretpm_biosbnx2
scsi_transport_fcpcspkri5000_edacedac_mcserio_rawdm_raid45dm_message
dm_region_hashdm_logdm_moddm_mem_cacheata_piixlibatashpchp
megaraid_sassd_modscsi_modext3jbduhci_hcdohci_hcdehci_hcd
Pid:11693,comm:modprobeTainted:P2.6.18-238.1.1.el5#1
RIP:0010:[<ffffffff80157b5d>][<ffffffff80157b5d>]list_del+0x8/0x71
RSP:0000:ffff81006fd83ea8EFLAGS:00010213
RAX:0000000000200200RBX:ffff81006cdce9a8RCX:ffff810037c2c3b8
RDX:ffff81006cdce8b8RSI:0000000000000000RDI:ffff81006cdce9a8
RAX:0000000000200200RBX:ffff81006cdce9a8RCX:ffff810037c2c3b8
RDX:ffff81006cdce8b8RSI:0000000000000000RDI:ffff81006cdce9a8
RBP:000000000001fff0R08:ffff81007f06bbf8R09:ffffffff8886f9f3
R10:ffffffff804b1300R11:0000000000000000R12:0000000000002000
R13:0000000000000000R14:ffffffff8886f9f3R15:0000000000000000
FS:00002b0c65d266e0(0000)GS:ffff81007fae03c0(0000)
knlGS:0000000000000000
CS:0010DS:0000ES:0000CR0:000000008005003b

CR2:0000000000200200CR3:000000006af74000CR4:00000000000006e0
Processmodprobe(pid:11693,threadinfoffff81006fd82000,task
ffff81007a652080)
Stack:ffff81006cdce8b8ffffffff8887125dffff81006cdce8b8
ffffffff8887017f
00000000000000ff0000000000000000000000000000088000000000113ac568
00007fff52d23520ffffffff88870309ffffffff8887ca00ffffffff800a8559
CallTrace:
[<ffffffff8887125d>]:ip_conntrack:destroy_conntrack+0x9a/0xdc
[<ffffffff8887017f>]:ip_conntrack:ip_ct_iterate_cleanup+0x30/0x142
[<ffffffff88870309>]:ip_conntrack:ip_conntrack_cleanup+0x6a/0xc7
[<ffffffff800a8559>]sys_delete_module+0x196/0x1c5
[<ffffffff8005d28d>]tracesys+0xd5/0xe0


Code:488b104839fa741b4889fe31c048c7c7903b2c80
RIP[<ffffffff80157b5d>]list_del+0x8/0x71
RSP<ffff81006fd83ea8>
CR2:0000000000200200
<0>Kernelpanic-notsyncing:Fatalexception

sed-i"s/IPTABLES_MODULES_UNLOAD=\"yes\"/IPTABLES_MODULES_UNLOAD=\"yes\""/etc/sysconfig/iptables-config

將IPTABLES_MODULES_UNLOAD="yes"改為no

功能：當iptables重啟或停止時，是否卸載所載入的模組，yes表示是