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DCO driver warning in kernel log when initiaing a connection #99

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@ibahnasy
Apr 10 14:27:02 ZB kernel: ip_tunnel_core: iptunnel_xmit_stats pcpu_stat_type=0
Apr 10 14:27:02 ZB kernel: ------------[ cut here ]------------
Apr 10 14:27:02 ZB kernel: WARNING: include/net/ip_tunnels.h:718 at iptunnel_xmit+0x20d/0x2f0, CPU#6: kworker/6:0/90204
Apr 10 14:27:02 ZB kernel: Modules linked in: raw_diag ovpn_dco_v2(O) uhid rfcomm snd_seq_dummy snd_hrtimer xt_nat xt_tcpudp veth xt_conntrack xt_MASQUERADE xt_set ip_set xt_addrtype nft_compat x_tables xfrm_interface xfrm6_tunnel tunnel4 tunnel6 xfrm_user xfrm_algo l2tp_ppp l2tp_netlink bridge l2tp_core stp pppox llc vxlan ccm nfnetlink_queue udp_diag nf_conntrack_netlink tcp_diag inet_diag nft_queue overlay qrtr vboxnetadp(O) vboxnetflt(O) cmac algif_hash algif_skcipher af_alg bnep vboxdrv(O) ccp binfmt_misc zfs(PO) spl(O) nvidia_uvm(PO) snd_ctl_led snd_soc_skl_hda_dsp snd_soc_intel_sof_board_helpers snd_soc_intel_hda_dsp_common snd_sof_probes xe snd_hda_codec_intelhdmi snd_hda_codec_hdmi snd_hda_codec_alc269 snd_hda_codec_realtek_lib drm_gpusvm_helper snd_hda_scodec_component gpu_sched snd_hda_codec_generic snd_soc_dmic drm_gpuvm drm_exec snd_hda_intel drm_suballoc_helper nvidia_drm(PO) nvidia_modeset(PO) snd_sof_pci_intel_tgl snd_sof_pci_intel_cnl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt
Apr 10 14:27:02 ZB kernel:  snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp nvidia(PO) snd_sof intel_uncore_frequency snd_sof_utils intel_uncore_frequency_common snd_soc_acpi_intel_match intel_tcc_cooling snd_soc_acpi_intel_sdca_quirks x86_pkg_temp_thermal soundwire_generic_allocation intel_powerclamp snd_soc_sdw_utils snd_soc_acpi soundwire_bus snd_soc_sdca crc8 snd_soc_avs snd_soc_hda_codec snd_hda_ext_core snd_hda_codec snd_hda_core coretemp snd_intel_dspcfg snd_intel_sdw_acpi snd_hwdep kvm_intel snd_soc_core uvcvideo snd_compress videobuf2_vmalloc ac97_bus uvc snd_pcm_dmaengine btusb videobuf2_memops btmtk kvm btrtl videobuf2_v4l2 snd_pcm btbcm cmdlinepart videobuf2_common btintel irqbypass asus_nb_wmi spi_nor videodev processor_thermal_device_pci_legacy iwlmvm snd_seq_midi rapl bluetooth processor_thermal_device mc mei_pxp mei_hdcp intel_rapl_msr mtd nls_iso8859_1 asus_armoury intel_cstate snd_seq_midi_event i915 firmware_attributes_class
Apr 10 14:27:02 ZB kernel:  mfd_aaeon snd_rawmidi processor_thermal_wt_hint mac80211 asus_wmi platform_temperature_control processor_thermal_soc_slider mxm_wmi sparse_keymap wmi_bmof processor_thermal_rfim processor_thermal_rapl snd_seq intel_rapl_common libarc4 snd_seq_device processor_thermal_wt_req drm_buddy snd_timer drm_display_helper i2c_i801 processor_thermal_power_floor snd iwlwifi processor_thermal_mbox drm_ttm_helper cec spi_intel_pci i2c_smbus mei_me intel_soc_dts_iosf spi_intel i2c_mux soundcore ttm cfg80211 rc_core mei i2c_algo_bit igen6_edac platform_profile intel_pmc_core int3403_thermal int340x_thermal_zone pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry int3400_thermal acpi_tad intel_vsec acpi_pad acpi_thermal_rel joydev input_leds mac_hid nft_masq nft_chain_nat nf_nat sch_fq_codel nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ovpn ip6_udp_tunnel ppdev lp parport_pc udp_tunnel parport nf_tables cpuid msr nvme_fabrics efi_pstore nfnetlink dmi_sysfs autofs4 btrfs libblake2b xor raid6_pq dm_crypt
Apr 10 14:27:02 ZB kernel:  usbhid ucsi_acpi typec_ucsi typec nvme nvme_core nvme_keyring hid_multitouch nvme_auth hid_generic hkdf rtsx_pci_sdmmc ghash_clmulni_intel serio_raw i2c_hid_acpi i2c_hid video hid intel_lpss_pci intel_lpss rtsx_pci thunderbolt pinctrl_tigerlake wmi idma64 vmd aesni_intel
Apr 10 14:27:02 ZB kernel: CPU: 6 UID: 0 PID: 90204 Comm: kworker/6:0 Kdump: loaded Tainted: P        W  O        7.0.0-12-generic OpenVPN/ovpn-net-next#12-Ubuntu PREEMPT(lazy) 
Apr 10 14:27:02 ZB kernel: Tainted: [P]=PROPRIETARY_MODULE, [W]=WARN, [O]=OOT_MODULE
Apr 10 14:27:02 ZB kernel: Hardware name: ASUSTeK COMPUTER INC. ZenBook, BIOS 
Apr 10 14:27:02 ZB kernel: Workqueue: ovpn-crypto-wq-Server-UDP ovpn_encrypt_work [ovpn_dco_v2]
Apr 10 14:27:02 ZB kernel: RIP: 0010:iptunnel_xmit+0x20d/0x2f0
Apr 10 14:27:02 ZB kernel: Code: b6 83 b6 00 00 00 3c 03 74 55 3c 02 74 51 44 0f b6 25 43 ef 8f 01 41 80 fc 01 0f 87 57 a2 db fe 41 83 e4 01 0f 84 2e a2 db fe <0f> 0b 65 66 ff 0d 21 25 ec 01 48 83 c4 38 5b 41 5c 41 5d 41 5e 41
Apr 10 14:27:02 ZB kernel: RSP: 0018:ffffca9a45b7fbd8 EFLAGS: 00010246
Apr 10 14:27:02 ZB kernel: RAX: 0000000000000034 RBX: ffff8959fe120000 RCX: 0000000000000000
Apr 10 14:27:02 ZB kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
Apr 10 14:27:02 ZB kernel: RBP: ffffca9a45b7fc38 R08: 0000000000000000 R09: 0000000000000000
Apr 10 14:27:02 ZB kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
Apr 10 14:27:02 ZB kernel: R13: ffffffff9b0745c0 R14: ffff895b35f50100 R15: ffff8959d1f1f3c0
Apr 10 14:27:02 ZB kernel: FS:  0000000000000000(0000) GS:ffff895d6c900000(0000) knlGS:0000000000000000
Apr 10 14:27:02 ZB kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 10 14:27:02 ZB kernel: CR2: 000058fd03c41288 CR3: 0000000135d88003 CR4: 0000000000f70ef0
Apr 10 14:27:02 ZB kernel: PKRU: 55555554
Apr 10 14:27:02 ZB kernel: Call Trace:
Apr 10 14:27:02 ZB kernel:  <TASK>
Apr 10 14:27:02 ZB kernel:  udp_tunnel_xmit_skb+0xd7/0x110 [udp_tunnel]
Apr 10 14:27:02 ZB kernel:  ovpn_udp_send_skb+0x2d3/0x620 [ovpn_dco_v2]
Apr 10 14:27:02 ZB kernel:  ovpn_encrypt_work+0x1e2/0x450 [ovpn_dco_v2]
Apr 10 14:27:02 ZB kernel:  process_one_work+0x1ac/0x3d0
Apr 10 14:27:02 ZB kernel:  worker_thread+0x1b8/0x360
Apr 10 14:27:02 ZB kernel:  ? _raw_spin_lock_irqsave+0xe/0x20
Apr 10 14:27:02 ZB kernel:  ? __pfx_worker_thread+0x10/0x10
Apr 10 14:27:02 ZB kernel:  kthread+0xf7/0x130
Apr 10 14:27:02 ZB kernel:  ? __pfx_kthread+0x10/0x10
Apr 10 14:27:02 ZB kernel:  ret_from_fork+0x195/0x2a0
Apr 10 14:27:02 ZB kernel:  ? __pfx_kthread+0x10/0x10
Apr 10 14:27:02 ZB kernel:  ? __pfx_kthread+0x10/0x10
Apr 10 14:27:02 ZB kernel:  ret_from_fork_asm+0x1a/0x30
Apr 10 14:27:02 ZB kernel:  </TASK>
Apr 10 14:27:02 ZB kernel: ---[ end trace 0000000000000000 ]---

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