Return-path: Received: from mail-vc0-f179.google.com ([209.85.220.179]:39769 "EHLO mail-vc0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755174AbaHNPF5 (ORCPT ); Thu, 14 Aug 2014 11:05:57 -0400 MIME-Version: 1.0 Date: Thu, 14 Aug 2014 09:05:55 -0600 Message-ID: (sfid-20140814_170609_025987_E9917683) Subject: Intel wireless microcode problem.. From: Linus Torvalds To: Johannes Berg , Emmanuel Grumbach Cc: Intel Linux Wireless , "John W. Linville" , Linux Wireless List , Network Development Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Ok, so it seems the current merge window introduces some horrid intel microcode problem, because I don't seem to see this with 3.16. But maybe that's just happenstance. Any ideas? This fills up all the logs etc. Linus --- iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000. iwlwifi 0000:01:00.0: CSR values: iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) iwlwifi 0000:01:00.0: CSR_HW_IF_CONFIG_REG: 0X40489204 iwlwifi 0000:01:00.0: CSR_INT_COALESCING: 0X80000040 iwlwifi 0000:01:00.0: CSR_INT: 0X00000000 iwlwifi 0000:01:00.0: CSR_INT_MASK: 0X00000000 iwlwifi 0000:01:00.0: CSR_FH_INT_STATUS: 0X00000000 iwlwifi 0000:01:00.0: CSR_GPIO_IN: 0X00000000 iwlwifi 0000:01:00.0: CSR_RESET: 0X00000000 iwlwifi 0000:01:00.0: CSR_GP_CNTRL: 0X080403c5 iwlwifi 0000:01:00.0: CSR_HW_REV: 0X00000144 iwlwifi 0000:01:00.0: CSR_EEPROM_REG: 0X00000000 iwlwifi 0000:01:00.0: CSR_EEPROM_GP: 0X80000000 iwlwifi 0000:01:00.0: CSR_OTP_GP_REG: 0X803a0000 iwlwifi 0000:01:00.0: CSR_GIO_REG: 0X00080044 iwlwifi 0000:01:00.0: CSR_GP_UCODE_REG: 0X00000000 iwlwifi 0000:01:00.0: CSR_GP_DRIVER_REG: 0X00000000 iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP1: 0X00000000 iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP2: 0X00000000 iwlwifi 0000:01:00.0: CSR_LED_REG: 0X00000060 iwlwifi 0000:01:00.0: CSR_DRAM_INT_TBL_REG: 0X880d8e9d iwlwifi 0000:01:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 iwlwifi 0000:01:00.0: CSR_ANA_PLL_CFG: 0Xd55555d5 iwlwifi 0000:01:00.0: CSR_MONITOR_STATUS_REG: 0X3d0801bd iwlwifi 0000:01:00.0: CSR_HW_REV_WA_REG: 0X0001001a iwlwifi 0000:01:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 iwlwifi 0000:01:00.0: FH register values: iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X0d42d300 iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00d42d20 iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000028 iwlwifi 0000:01:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114 iwlwifi 0000:01:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 iwlwifi 0000:01:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 iwlwifi 0000:01:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 iwlwifi 0000:01:00.0: Start IWL Error Log Dump: iwlwifi 0000:01:00.0: Status: 0x00000000, count: 6 iwlwifi 0000:01:00.0: Loaded firmware version: 23.214.9.0 iwlwifi 0000:01:00.0: 0x0000277B | ADVANCED_SYSASSERT iwlwifi 0000:01:00.0: 0x00A002A0 | uPc iwlwifi 0000:01:00.0: 0x00000000 | branchlink1 iwlwifi 0000:01:00.0: 0x00000BA4 | branchlink2 iwlwifi 0000:01:00.0: 0x000166A4 | interruptlink1 iwlwifi 0000:01:00.0: 0x004C0648 | interruptlink2 iwlwifi 0000:01:00.0: 0x00000021 | data1 iwlwifi 0000:01:00.0: 0x00000016 | data2 iwlwifi 0000:01:00.0: 0xDEADBEEF | data3 iwlwifi 0000:01:00.0: 0x003CC2EC | beacon time iwlwifi 0000:01:00.0: 0x00033D3D | tsf low iwlwifi 0000:01:00.0: 0x00000000 | tsf hi iwlwifi 0000:01:00.0: 0x00000000 | time gp1 iwlwifi 0000:01:00.0: 0x00033D3D | time gp2 iwlwifi 0000:01:00.0: 0x00000000 | time gp3 iwlwifi 0000:01:00.0: 0x000417D6 | uCode version iwlwifi 0000:01:00.0: 0x00000144 | hw version iwlwifi 0000:01:00.0: 0x40489204 | board version iwlwifi 0000:01:00.0: 0x0000001C | hcmd iwlwifi 0000:01:00.0: 0x00022000 | isr0 iwlwifi 0000:01:00.0: 0x01000000 | isr1 iwlwifi 0000:01:00.0: 0x00000002 | isr2 iwlwifi 0000:01:00.0: 0x004058C0 | isr3 iwlwifi 0000:01:00.0: 0x00000001 | isr4 iwlwifi 0000:01:00.0: 0x00000110 | isr_pref iwlwifi 0000:01:00.0: 0x00000000 | wait_event iwlwifi 0000:01:00.0: 0x00000850 | l2p_control iwlwifi 0000:01:00.0: 0x00018000 | l2p_duration iwlwifi 0000:01:00.0: 0x0000003F | l2p_mhvalid iwlwifi 0000:01:00.0: 0x00000081 | l2p_addr_match iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel iwlwifi 0000:01:00.0: 0x18051651 | timestamp iwlwifi 0000:01:00.0: 0x00002830 | flow_handler ieee80211 phy0: Hardware restart was requested iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000. iwlwifi 0000:01:00.0: CSR values: iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) iwlwifi 0000:01:00.0: CSR_HW_IF_CONFIG_REG: 0X40489204 iwlwifi 0000:01:00.0: CSR_INT_COALESCING: 0X8000ff40 iwlwifi 0000:01:00.0: CSR_INT: 0X00000000 iwlwifi 0000:01:00.0: CSR_INT_MASK: 0X00000000 iwlwifi 0000:01:00.0: CSR_FH_INT_STATUS: 0X00000000 iwlwifi 0000:01:00.0: CSR_GPIO_IN: 0X00000000 iwlwifi 0000:01:00.0: CSR_RESET: 0X00000000 iwlwifi 0000:01:00.0: CSR_GP_CNTRL: 0X080403cd iwlwifi 0000:01:00.0: CSR_HW_REV: 0X00000144 iwlwifi 0000:01:00.0: CSR_EEPROM_REG: 0X00000000 iwlwifi 0000:01:00.0: CSR_EEPROM_GP: 0X80000000 iwlwifi 0000:01:00.0: CSR_OTP_GP_REG: 0X803a0000 iwlwifi 0000:01:00.0: CSR_GIO_REG: 0X00080044 iwlwifi 0000:01:00.0: CSR_GP_UCODE_REG: 0X00000000 iwlwifi 0000:01:00.0: CSR_GP_DRIVER_REG: 0X00000000 iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP1: 0X00000000 iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP2: 0X00000000 iwlwifi 0000:01:00.0: CSR_LED_REG: 0X00000060 iwlwifi 0000:01:00.0: CSR_DRAM_INT_TBL_REG: 0X880d8e9d iwlwifi 0000:01:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 iwlwifi 0000:01:00.0: CSR_ANA_PLL_CFG: 0Xd55555d5 iwlwifi 0000:01:00.0: CSR_MONITOR_STATUS_REG: 0X3d0801bd iwlwifi 0000:01:00.0: CSR_HW_REV_WA_REG: 0X0001001a iwlwifi 0000:01:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 iwlwifi 0000:01:00.0: FH register values: iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X0d42d300 iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00d42d20 iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000018 iwlwifi 0000:01:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114 iwlwifi 0000:01:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 iwlwifi 0000:01:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 iwlwifi 0000:01:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 iwlwifi 0000:01:00.0: Start IWL Error Log Dump: iwlwifi 0000:01:00.0: Status: 0x00000008, count: 6 iwlwifi 0000:01:00.0: Loaded firmware version: 23.214.9.0 iwlwifi 0000:01:00.0: 0x00003401 | ADVANCED_SYSASSERT iwlwifi 0000:01:00.0: 0x000002F0 | uPc iwlwifi 0000:01:00.0: 0x00000000 | branchlink1 iwlwifi 0000:01:00.0: 0x00000BA4 | branchlink2 iwlwifi 0000:01:00.0: 0x000166A4 | interruptlink1 iwlwifi 0000:01:00.0: 0x004C0648 | interruptlink2 iwlwifi 0000:01:00.0: 0x0000FF00 | data1 iwlwifi 0000:01:00.0: 0xFFFFFFFF | data2 iwlwifi 0000:01:00.0: 0xDEADBEEF | data3 iwlwifi 0000:01:00.0: 0x003FEE8D | beacon time iwlwifi 0000:01:00.0: 0x00001172 | tsf low iwlwifi 0000:01:00.0: 0x00000000 | tsf hi iwlwifi 0000:01:00.0: 0x00000000 | time gp1 iwlwifi 0000:01:00.0: 0x00001173 | time gp2 iwlwifi 0000:01:00.0: 0x00000000 | time gp3 iwlwifi 0000:01:00.0: 0x000417D6 | uCode version iwlwifi 0000:01:00.0: 0x00000144 | hw version iwlwifi 0000:01:00.0: 0x40489204 | board version iwlwifi 0000:01:00.0: 0x09190028 | hcmd iwlwifi 0000:01:00.0: 0x00022080 | isr0 iwlwifi 0000:01:00.0: 0x00000000 | isr1 iwlwifi 0000:01:00.0: 0x00000002 | isr2 iwlwifi 0000:01:00.0: 0x004000C0 | isr3 iwlwifi 0000:01:00.0: 0x00000001 | isr4 iwlwifi 0000:01:00.0: 0x01000112 | isr_pref iwlwifi 0000:01:00.0: 0x00000000 | wait_event iwlwifi 0000:01:00.0: 0x00000850 | l2p_control iwlwifi 0000:01:00.0: 0x00000000 | l2p_duration iwlwifi 0000:01:00.0: 0x00000000 | l2p_mhvalid iwlwifi 0000:01:00.0: 0x00000000 | l2p_addr_match iwlwifi 0000:01:00.0: 0x00000007 | lmpm_pmg_sel iwlwifi 0000:01:00.0: 0x18051651 | timestamp iwlwifi 0000:01:00.0: 0x00001820 | flow_handler iwlwifi 0000:01:00.0: Firmware error during reconfiguration - reprobe! iwlwifi 0000:01:00.0: FW error in SYNC CMD MAC_CONTEXT_CMD CPU: 0 PID: 748 Comm: kworker/0:4 Not tainted 3.16.0-10959-gf0094b28f303 #1 Hardware name: Sony Corporation SVP11213CXB/VAIO, BIOS R0270V7 05/17/2013 Workqueue: events ieee80211_restart_work [mac80211] ffff8800d42e7c10 ffffffff815b1809 ffff8800d9ef8000 ffffffffc0665430 0000000000000286 0000000000000000 ffff8800d3d5d070 ffffffff81099e50 ffff8800d42e7bb8 ffff8800d42e7bb8 ffff8800d42e7c10 ffff8800d42e7c60 Call Trace: [] ? dump_stack+0x41/0x51 [] ? iwl_trans_pcie_send_hcmd+0x590/0x5a0 [iwlwifi] [] ? prepare_to_wait_event+0xf0/0xf0 [] ? iwl_mvm_send_cmd+0x38/0xb0 [iwlmvm] [] ? iwl_mvm_send_cmd_pdu+0x3c/0x50 [iwlmvm] [] ? iwl_mvm_mac_ctxt_send_cmd+0x1e/0x50 [iwlmvm] [] ? iwl_mvm_mac_ctxt_cmd_sta+0xd5/0x170 [iwlmvm] [] ? iwl_trans_pcie_txq_enable+0x260/0x400 [iwlwifi] [] ? iwl_mvm_mac_ctxt_add+0x24/0xb0 [iwlmvm] [] ? iwl_mvm_mac_add_interface+0xe5/0x290 [iwlmvm] [] ? ieee80211_reconfig+0x4ab/0xd10 [mac80211] [] ? ieee80211_restart_work+0x38/0x70 [mac80211] [] ? process_one_work+0x160/0x370 [] ? worker_thread+0x114/0x470 [] ? rescuer_thread+0x2a0/0x2a0 [] ? kthread+0xb8/0xd0 [] ? kthread_create_on_node+0x170/0x170 [] ? ret_from_fork+0x7c/0xb0 [] ? kthread_create_on_node+0x170/0x170 iwlwifi 0000:01:00.0: Failed to send MAC context (action:1): -5 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 748 at drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c:1177 iwl_mvm_mac_ctxt_changed+0x65/0x80 [iwlmvm]() Changing inactive MAC 5c:51:4f:1e:c3:c8/2 Modules linked in: rfcomm fuse ip6t_rpfilter ip6t_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc mmc_block ebtable_filter ebtables ip6table_nat bnep nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw vfat fat pn544_mei mei_phy pn544 hci nfc rtsx_pci_sdmmc mmc_core snd_hda_codec_hdmi snd_hda_codec_realtek iTCO_wdt snd_hda_codec_generic arc4 iTCO_vendor_support snd_hda_intel snd_hda_controller iwlmvm snd_hda_codec snd_hwdep mac80211 x86_pkg_temp_thermal coretemp snd_seq microcode uvcvideo btusb videobuf2_vmalloc videobuf2_memops joydev snd_seq_device videobuf2_core bluetooth serio_raw i2c_i801 v4l2_common iwlwifi snd_pcm videodev hid_multitouch media cfg80211 rtsx_pci mei_me lpc_ich snd_timer mei mfd_core snd shpchp soundcore sony_laptop rfkill dm_crypt i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper drm ghash_clmulni_intel video CPU: 0 PID: 748 Comm: kworker/0:4 Not tainted 3.16.0-10959-gf0094b28f303 #1 Hardware name: Sony Corporation SVP11213CXB/VAIO, BIOS R0270V7 05/17/2013 Workqueue: events ieee80211_restart_work [mac80211] 0000000000000009 ffffffff815b1809 ffff8800d42e7d20 ffffffff8106619d ffff8800d3c35a68 ffff8800d42e7d70 00000000000674ff ffff8800d933b310 ffff8800d933b318 ffffffff81066207 ffffffffc07b06dd ffffffff00000028 Call Trace: [] ? dump_stack+0x41/0x51 [] ? warn_slowpath_common+0x6d/0x90 [] ? warn_slowpath_fmt+0x47/0x50 [] ? ieee80211_iterate_active_interfaces_atomic+0x5/0x10 [mac80211] [] ? iwl_mvm_recalc_multicast+0x30/0x60 [iwlmvm] [] ? iwl_mvm_mac_ctxt_changed+0x65/0x80 [iwlmvm] [] ? iwl_mvm_bss_info_changed+0x12c/0x580 [iwlmvm] [] ? ieee80211_reconfig+0x89f/0xd10 [mac80211] [] ? ieee80211_restart_work+0x38/0x70 [mac80211] [] ? process_one_work+0x160/0x370 [] ? worker_thread+0x114/0x470 [] ? rescuer_thread+0x2a0/0x2a0 [] ? kthread+0xb8/0xd0 [] ? kthread_create_on_node+0x170/0x170 [] ? ret_from_fork+0x7c/0xb0 [] ? kthread_create_on_node+0x170/0x170 ---[ end trace 52195047d9637af6 ]--- iwlwifi 0000:01:00.0: failed to update MAC 5c:51:4f:1e:c3:c8 iwlwifi 0000:01:00.0: Failed to update the ctrl_kill_msk iwlwifi 0000:01:00.0: Failed to send quota: -5 iwlwifi 0000:01:00.0: Failed to update quotas after restart (-5) iwlwifi 0000:01:00.0: Failed to send flush command (-5) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 748 at drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c:1191 iwl_mvm_mac_ctxt_remove+0x120/0x140 [iwlmvm]() Removing inactive MAC 5c:51:4f:1e:c3:c8/2 Modules linked in: rfcomm fuse ip6t_rpfilter ip6t_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc mmc_block ebtable_filter ebtables ip6table_nat bnep nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw vfat fat pn544_mei mei_phy pn544 hci nfc rtsx_pci_sdmmc mmc_core snd_hda_codec_hdmi snd_hda_codec_realtek iTCO_wdt snd_hda_codec_generic arc4 iTCO_vendor_support snd_hda_intel snd_hda_controller iwlmvm snd_hda_codec snd_hwdep mac80211 x86_pkg_temp_thermal coretemp snd_seq microcode uvcvideo btusb videobuf2_vmalloc videobuf2_memops joydev snd_seq_device videobuf2_core bluetooth serio_raw i2c_i801 v4l2_common iwlwifi snd_pcm videodev hid_multitouch media cfg80211 rtsx_pci mei_me lpc_ich snd_timer mei mfd_core snd shpchp soundcore sony_laptop rfkill dm_crypt i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper drm ghash_clmulni_intel video CPU: 0 PID: 748 Comm: kworker/0:4 Tainted: G W 3.16.0-10959-gf0094b28f303 #1 Hardware name: Sony Corporation SVP11213CXB/VAIO, BIOS R0270V7 05/17/2013 Workqueue: events iwl_mvm_reprobe_wk [iwlmvm] 0000000000000009 ffffffff815b1809 ffff8800d42e7ab0 ffffffff8106619d ffff8800d933b310 ffff8800d42e7b00 ffff8800d3c35a60 ffff8800d3c35a98 ffff8800d3c354e8 ffffffff81066207 ffffffffc07b06fb 0000000000000028 Call Trace: [] ? dump_stack+0x41/0x51 [] ? warn_slowpath_common+0x6d/0x90 [] ? warn_slowpath_fmt+0x47/0x50 [] ? autoremove_wake_function+0x30/0x30 [] ? fsnotify_clear_marks_by_inode+0x25/0x110 [] ? iwl_mvm_mac_ctxt_remove+0x120/0x140 [iwlmvm] [] ? ieee80211_iterate_active_interfaces_atomic+0x5/0x10 [mac80211] [] ? iwl_mvm_power_update_mac+0x37/0x340 [iwlmvm] [] ? mnt_get_count+0x46/0x60 [] ? mntput_no_expire+0x32/0x110 [] ? iwl_mvm_mac_remove_interface+0x8c/0x130 [iwlmvm] [] ? ieee80211_do_stop+0x4db/0x820 [mac80211] [] ? dev_deactivate_many+0x200/0x250 [] ? ieee80211_stop+0x11/0x20 [mac80211] [] ? __dev_close_many+0x85/0xd0 [] ? dev_close_many+0x79/0x110 [] ? rollback_registered_many+0x117/0x2c0 [] ? unregister_netdevice_many+0x12/0xa0 [] ? ieee80211_remove_interfaces+0x11b/0x1b0 [mac80211] [] ? ieee80211_unregister_hw+0x52/0x110 [mac80211] [] ? iwl_op_mode_mvm_stop+0x25/0x110 [iwlmvm] [] ? _iwl_op_mode_stop.isra.13+0x20/0x40 [iwlwifi] [] ? iwl_drv_stop+0x23/0xa0 [iwlwifi] [] ? iwl_pci_remove+0x14/0x20 [iwlwifi] [] ? pci_device_remove+0x2e/0xa0 [] ? __device_release_driver+0x75/0xf0 [] ? device_release_driver+0x19/0x30 [] ? device_reprobe+0x27/0x50 [] ? iwl_mvm_reprobe_wk+0x12/0x40 [iwlmvm] [] ? process_one_work+0x160/0x370 [] ? worker_thread+0x114/0x470 [] ? rescuer_thread+0x2a0/0x2a0 [] ? kthread+0xb8/0xd0 [] ? kthread_create_on_node+0x170/0x170 [] ? ret_from_fork+0x7c/0xb0 [] ? kthread_create_on_node+0x170/0x170 ---[ end trace 52195047d9637af7 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 748 at drivers/net/wireless/iwlwifi/pcie/tx.c:1171 iwl_trans_pcie_txq_disable+0x10c/0x140 [iwlwifi]() queue 0 not used Modules linked in: rfcomm fuse ip6t_rpfilter ip6t_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc mmc_block ebtable_filter ebtables ip6table_nat bnep nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw vfat fat pn544_mei mei_phy pn544 hci nfc rtsx_pci_sdmmc mmc_core snd_hda_codec_hdmi snd_hda_codec_realtek iTCO_wdt snd_hda_codec_generic arc4 iTCO_vendor_support snd_hda_intel snd_hda_controller iwlmvm snd_hda_codec snd_hwdep mac80211 x86_pkg_temp_thermal coretemp snd_seq microcode uvcvideo btusb videobuf2_vmalloc videobuf2_memops joydev snd_seq_device videobuf2_core bluetooth serio_raw i2c_i801 v4l2_common iwlwifi snd_pcm videodev hid_multitouch media cfg80211 rtsx_pci mei_me lpc_ich snd_timer mei mfd_core snd shpchp soundcore sony_laptop rfkill dm_crypt i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper drm ghash_clmulni_intel video CPU: 0 PID: 748 Comm: kworker/0:4 Tainted: G W 3.16.0-10959-gf0094b28f303 #1 Hardware name: Sony Corporation SVP11213CXB/VAIO, BIOS R0270V7 05/17/2013 Workqueue: events iwl_mvm_reprobe_wk [iwlmvm] 0000000000000009 ffffffff815b1809 ffff8800d42e7b18 ffffffff8106619d ffff8800d9ef8000 ffff8800d42e7b68 0000000000000000 ffff8800d3c35a98 000000000080a000 ffffffff81066207 ffffffffc066d53a ffff880000000020 Call Trace: [] ? dump_stack+0x41/0x51 [] ? warn_slowpath_common+0x6d/0x90 [] ? warn_slowpath_fmt+0x47/0x50 [] ? ieee80211_iterate_active_interfaces_atomic+0x5/0x10 [mac80211] [] ? iwl_mvm_power_update_mac+0x37/0x340 [iwlmvm] [] ? mnt_get_count+0x46/0x60 [] ? iwl_trans_pcie_txq_disable+0x10c/0x140 [iwlwifi] [] ? iwl_mvm_mac_ctxt_release+0x2f/0x80 [iwlmvm] [] ? iwl_mvm_mac_remove_interface+0x97/0x130 [iwlmvm] [] ? ieee80211_do_stop+0x4db/0x820 [mac80211] [] ? dev_deactivate_many+0x200/0x250 [] ? ieee80211_stop+0x11/0x20 [mac80211] [] ? __dev_close_many+0x85/0xd0 [] ? dev_close_many+0x79/0x110 [] ? rollback_registered_many+0x117/0x2c0 [] ? unregister_netdevice_many+0x12/0xa0 [] ? ieee80211_remove_interfaces+0x11b/0x1b0 [mac80211] [] ? ieee80211_unregister_hw+0x52/0x110 [mac80211] [] ? iwl_op_mode_mvm_stop+0x25/0x110 [iwlmvm] [] ? _iwl_op_mode_stop.isra.13+0x20/0x40 [iwlwifi] [] ? iwl_drv_stop+0x23/0xa0 [iwlwifi] [] ? iwl_pci_remove+0x14/0x20 [iwlwifi] [] ? pci_device_remove+0x2e/0xa0 [] ? __device_release_driver+0x75/0xf0 [] ? device_release_driver+0x19/0x30 [] ? device_reprobe+0x27/0x50 [] ? iwl_mvm_reprobe_wk+0x12/0x40 [iwlmvm] [] ? process_one_work+0x160/0x370 [] ? worker_thread+0x114/0x470 [] ? rescuer_thread+0x2a0/0x2a0 [] ? kthread+0xb8/0xd0 [] ? kthread_create_on_node+0x170/0x170 [] ? ret_from_fork+0x7c/0xb0 [] ? kthread_create_on_node+0x170/0x170 ---[ end trace 52195047d9637af8 ]--- iwlwifi 0000:01:00.0: irq 45 for MSI/MSI-X iwlwifi 0000:01:00.0: loaded firmware version 23.214.9.0 op_mode iwlmvm iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless N 7260, REV=0x144 iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S ieee80211 phy1: Selected rate control algorithm 'iwl-mvm-rs' iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 systemd-udevd[2662]: renamed network interface wlan0 to wlp1s0 iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S IPv6: ADDRCONF(NETDEV_UP): wlp1s0: link is not ready iwlwifi 0000:01:00.0: RF_KILL bit toggled to disable radio.