Ok now I understand. Is this happening *only* when GRE is up? Alfredo
On 11 Jul 2014, at 08:58, Pavel Odintsov <[email protected]> wrote: > 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 > <[email protected]> wrote: >> Hi Pavel >> is this happening when you start capturing GRE traffic? >> >> Alfredo >> >> On 11 Jul 2014, at 08:49, Pavel Odintsov <[email protected]> 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 >>> <[email protected]> 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 <[email protected]> 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 >>>>> [email protected] >>>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>>> >>>> _______________________________________________ >>>> Ntop-misc mailing list >>>> [email protected] >>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >>> >>> >>> -- >>> Sincerely yours, Pavel Odintsov >>> _______________________________________________ >>> Ntop-misc mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > > > -- > Sincerely yours, Pavel Odintsov > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
