Not, we only start PF_RING module on node with running GRE tunnel. We did not start any software which used PF_RING.
On Fri, Jul 11, 2014 at 10:50 AM, Alfredo Cardigliano <cardigli...@ntop.org> wrote: > Hi Pavel > is this happening when you start capturing GRE traffic? > > Alfredo > > On 11 Jul 2014, at 08:49, Pavel Odintsov <pavel.odint...@gmail.com> wrote: > >> Hello! >> >> It's really standard configuration. We started GRE tunnel to another >> server and got this error from PF_RING. >> >> On Fri, Jul 11, 2014 at 10:46 AM, Alfredo Cardigliano >> <cardigli...@ntop.org> wrote: >>> Hi Pavel >>> can you provide us a small .pcap file we can use to reproduce the issue? >>> >>> Alfredo >>> >>> On 11 Jul 2014, at 08:32, Pavel Odintsov <pavel.odint...@gmail.com> wrote: >>> >>>> Hello! >>>> >>>> I'm using GRE together with PF_RING and got very strange stack traces: >>>> >>>> После загрузки pf_ring в dmesg >>>> [ 6797.491521] [PF_RING] Welcome to PF_RING 5.6.2 ($Revision: exported$) >>>> [ 6797.491522] (C) 2004-13 ntop.org >>>> [ 6797.491554] [PF_RING] registered /proc/net/pf_ring/ >>>> [ 6797.491565] NET: Registered protocol family 27 >>>> [ 6797.491590] ------------[ cut here ]------------ >>>> [ 6797.491605] WARNING: at fs/proc/generic.c:651 >>>> proc_register+0xb9/0x170() (Not tainted) >>>> [ 6797.491634] Hardware name: MS-7522 >>>> [ 6797.491644] proc_dir_entry 'dev/gretap0' already registered >>>> [ 6797.491656] Modules linked in: pf_ring(+)(U) cls_u32 sch_sfq >>>> sch_htb cpufreq_ondemand acpi_cpufreq freq_table mperf coretemp >>>> vzethdev pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vziolimit >>>> vzdquota ip6t_REJECT ip6table_mangle xt_length xt_hl xt_tcpmss >>>> xt_TCPMSS iptable_mangle xt_multiport xt_limit xt_dscp ipt_REJECT >>>> vzevent netconsole configfs vznetdev ip_gre ip_tunnel iptable_filter >>>> ip6table_filter ip6_tables nf_conntrack_ftp xt_recent vzrst vzcpt >>>> vzmon vzdev nfs lockd fscache auth_rpcgss nfs_acl sunrpc xt_connlimit >>>> ipt_REDIRECT xt_owner nf_conntrack_ipv6 nf_defrag_ipv6 xt_state >>>> ipt_LOG xfrm_ipcomp xfrm4_mode_transport pppol2tp pppox >>>> xfrm6_mode_tunnel xfrm4_mode_tunnel esp6 ipv6 esp4 af_key arc4 ecb >>>> ppp_mppe ppp_deflate zlib_deflate ppp_async ppp_generic slhc crc_ccitt >>>> fuse iptable_nat ip_tables nf_nat nf_conntrack_ipv4 nf_conntrack >>>> nf_defrag_ipv4 tun iTCO_wdt iTCO_vendor_support e1000 >>>> snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hwdep snd_seq >>>> snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc sg >>>> i2c_i801 lpc_ich mfd_core i7core_edac edac_core tpm_tis tpm shpchp >>>> tpm_bios ext4 jbd2 mbcache sd_mod crc_t10dif ahci aacraid nouveau ttm >>>> drm_kms_helper drm i2c_algo_bit i2c_core mxm_wmi video output wmi >>>> dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan] >>>> [ 6797.492738] Pid: 43330, comm: insmod veid: 0 Not tainted >>>> 2.6.32-042stab092.2 #1 >>>> [ 6797.492857] Call Trace: >>>> [ 6797.492923] [<ffffffff81075587>] ? warn_slowpath_common+0x87/0xc0 >>>> [ 6797.492993] [<ffffffff81075676>] ? warn_slowpath_fmt+0x46/0x50 >>>> [ 6797.493062] [<ffffffff81222cb9>] ? proc_register+0xb9/0x170 >>>> [ 6797.493130] [<ffffffff81223032>] ? proc_mkdir_mode+0x42/0x60 >>>> [ 6797.493199] [<ffffffff81223066>] ? proc_mkdir+0x16/0x20 >>>> [ 6797.493268] [<ffffffffa06bc894>] ? >>>> add_device_to_ring_list+0x94/0x1d0 [pf_ring] >>>> [ 6797.493388] [<ffffffff810768d0>] ? __vprintk+0x560/0x6f0 >>>> [ 6797.493458] [<ffffffffa06bcb21>] ? ring_notifier+0x151/0x3c0 [pf_ring] >>>> [ 6797.493528] [<ffffffff81076a96>] ? vprintk+0x36/0x50 >>>> [ 6797.493596] [<ffffffff8146991f>] ? >>>> register_netdevice_notifier+0x8f/0x1e0 >>>> [ 6797.493672] [<ffffffffa066b000>] ? ring_init+0x0/0x37c [pf_ring] >>>> [ 6797.493744] [<ffffffffa066b2bd>] ? ring_init+0x2bd/0x37c [pf_ring] >>>> [ 6797.493880] [<ffffffff8100204c>] ? do_one_initcall+0x3c/0x1d0 >>>> [ 6797.493951] [<ffffffff810cee41>] ? sys_init_module+0xe1/0x250 >>>> [ 6797.494022] [<ffffffff8100b102>] ? system_call_fastpath+0x16/0x1b >>>> [ 6797.494091] ---[ end trace 954e9c88f18ac701 ]--- >>>> [ 6797.494157] Tainting kernel with flag 0x9 >>>> [ 6797.494221] Pid: 43330, comm: insmod veid: 0 Not tainted >>>> 2.6.32-042stab092.2 #1 >>>> [ 6797.494339] Call Trace: >>>> [ 6797.494402] [<ffffffff81075411>] ? add_taint+0x71/0x80 >>>> [ 6797.494470] [<ffffffff81075594>] ? warn_slowpath_common+0x94/0xc0 >>>> [ 6797.494539] [<ffffffff81075676>] ? warn_slowpath_fmt+0x46/0x50 >>>> [ 6797.494608] [<ffffffff81222cb9>] ? proc_register+0xb9/0x170 >>>> [ 6797.495703] [<ffffffff81223032>] ? proc_mkdir_mode+0x42/0x60 >>>> [ 6797.495764] [<ffffffff81223066>] ? proc_mkdir+0x16/0x20 >>>> [ 6797.495896] [<ffffffffa06bc894>] ? >>>> add_device_to_ring_list+0x94/0x1d0 [pf_ring] >>>> [ 6797.496015] [<ffffffff810768d0>] ? __vprintk+0x560/0x6f0 >>>> [ 6797.496085] [<ffffffffa06bcb21>] ? ring_notifier+0x151/0x3c0 [pf_ring] >>>> [ 6797.496155] [<ffffffff81076a96>] ? vprintk+0x36/0x50 >>>> [ 6797.496223] [<ffffffff8146991f>] ? >>>> register_netdevice_notifier+0x8f/0x1e0 >>>> [ 6797.496294] [<ffffffffa066b000>] ? ring_init+0x0/0x37c [pf_ring] >>>> [ 6797.496365] [<ffffffffa066b2bd>] ? ring_init+0x2bd/0x37c [pf_ring] >>>> [ 6797.496435] [<ffffffff8100204c>] ? do_one_initcall+0x3c/0x1d0 >>>> [ 6797.496503] [<ffffffff810cee41>] ? sys_init_module+0xe1/0x250 >>>> [ 6797.496573] [<ffffffff8100b102>] ? system_call_fastpath+0x16/0x1b >>>> [ 6797.496697] ------------[ cut here ]------------ >>>> [ 6797.496758] WARNING: at fs/proc/generic.c:651 >>>> proc_register+0xb9/0x170() (Tainted: G W --------------- ) >>>> >>>> Same errors with svn version of PR_RING module (6.0.1). >>>> >>>> -- >>>> Sincerely yours, Pavel Odintsov >>>> _______________________________________________ >>>> Ntop-misc mailing list >>>> Ntop-misc@listgateway.unipi.it >>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >>> _______________________________________________ >>> Ntop-misc mailing list >>> Ntop-misc@listgateway.unipi.it >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> >> >> >> -- >> Sincerely yours, Pavel Odintsov >> _______________________________________________ >> Ntop-misc mailing list >> Ntop-misc@listgateway.unipi.it >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > _______________________________________________ > Ntop-misc mailing list > Ntop-misc@listgateway.unipi.it > http://listgateway.unipi.it/mailman/listinfo/ntop-misc -- Sincerely yours, Pavel Odintsov _______________________________________________ Ntop-misc mailing list Ntop-misc@listgateway.unipi.it http://listgateway.unipi.it/mailman/listinfo/ntop-misc
