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[Bug 1527444] JournalErrors.txt

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Rodrigo Primo <rodrigosprimo@xxxxxxxxx>
Date: Mon, 21 Dec 2015 19:45:08 -0000
Reply-to: Bug 1527444 <1527444@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
apport information

** Attachment added: "JournalErrors.txt"
   https://bugs.launchpad.net/bugs/1527444/+attachment/4538533/+files/JournalErrors.txt

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https://bugs.launchpad.net/bugs/1527444

Title:
  Intel 7260 Wifi not working on Ubuntu 15.10

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I'm unable to use my Intel 7260 Wifi card on a clean Ubuntu 15.10
  install. It is able to connect to my wifi network but after a few
  seconds the connection stop working. The same card on the same
  notebook used to work without problems on Ubuntu 15.04. I'm sending
  below the output of lspci and dmesg.

  # lspci | grep Wireless
  08:00.0 Network controller: Intel Corporation Wireless 7260 (rev 93)

  # dmesg | grep iwl
  [   10.383735] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7260-15.ucode failed with error -2
  [   10.385170] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7260-14.ucode failed with error -2
  [   10.390440] iwlwifi 0000:08:00.0: loaded firmware version 25.30.13.0 op_mode iwlmvm
  [   10.418883] iwlwifi 0000:08:00.0: Detected Intel(R) Wireless N 7260, REV=0x144
  [   10.418958] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   10.419195] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   10.651196] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
  [   10.653379] iwlwifi 0000:08:00.0 wlp8s0: renamed from wlan0
  [   11.247868] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   11.248149] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   11.469207] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   11.469447] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   11.913946] Modules linked in: bnep arc4 drbg ansi_cprng nls_iso8859_1 dm_crypt dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp kvm_intel dcdbas dell_smm_hwmon kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd mac80211 serio_raw snd_hda_codec_hdmi iwlwifi cfg80211 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich rtsx_pci_ms snd_usb_audio memstick snd_seq_midi snd_usbmidi_lib snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp mei_me snd_hda_core snd_hwdep mei snd_rawmidi btusb btrtl btbcm btintel snd_seq snd_pcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core joydev v4l2_common videodev input_leds media snd_seq_device snd_timer snd soundcore intel_smartconnect
  [   13.284231] Modules linked in: rfcomm ctr ccm bnep arc4 drbg ansi_cprng nls_iso8859_1 dm_crypt dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp kvm_intel dcdbas dell_smm_hwmon kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd mac80211 serio_raw snd_hda_codec_hdmi iwlwifi cfg80211 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich rtsx_pci_ms snd_usb_audio memstick snd_seq_midi snd_usbmidi_lib snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp mei_me snd_hda_core snd_hwdep mei snd_rawmidi btusb btrtl btbcm btintel snd_seq snd_pcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core joydev v4l2_common videodev input_leds media snd_seq_device snd_timer snd
  [   13.312469] Modules linked in: rfcomm ctr ccm bnep arc4 drbg ansi_cprng nls_iso8859_1 dm_crypt dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp kvm_intel dcdbas dell_smm_hwmon kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd mac80211 serio_raw snd_hda_codec_hdmi iwlwifi cfg80211 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich rtsx_pci_ms snd_usb_audio memstick snd_seq_midi snd_usbmidi_lib snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp mei_me snd_hda_core snd_hwdep mei snd_rawmidi btusb btrtl btbcm btintel snd_seq snd_pcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core joydev v4l2_common videodev input_leds media snd_seq_device snd_timer snd
  [   22.109657] Modules linked in: rfcomm ctr ccm bnep arc4 drbg ansi_cprng nls_iso8859_1 dm_crypt dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp kvm_intel dcdbas dell_smm_hwmon kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd mac80211 serio_raw snd_hda_codec_hdmi iwlwifi cfg80211 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich rtsx_pci_ms snd_usb_audio memstick snd_seq_midi snd_usbmidi_lib snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp mei_me snd_hda_core snd_hwdep mei snd_rawmidi btusb btrtl btbcm btintel snd_seq snd_pcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core joydev v4l2_common videodev input_leds media snd_seq_device snd_timer snd
  [   22.138468] Modules linked in: rfcomm ctr ccm bnep arc4 drbg ansi_cprng nls_iso8859_1 dm_crypt dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp kvm_intel dcdbas dell_smm_hwmon kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd mac80211 serio_raw snd_hda_codec_hdmi iwlwifi cfg80211 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich rtsx_pci_ms snd_usb_audio memstick snd_seq_midi snd_usbmidi_lib snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp mei_me snd_hda_core snd_hwdep mei snd_rawmidi btusb btrtl btbcm btintel snd_seq snd_pcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core joydev v4l2_common videodev input_leds media snd_seq_device snd_timer snd
  [   23.420925] Modules linked in: rfcomm ctr ccm bnep arc4 drbg ansi_cprng nls_iso8859_1 dm_crypt dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp kvm_intel dcdbas dell_smm_hwmon kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd mac80211 serio_raw snd_hda_codec_hdmi iwlwifi cfg80211 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich rtsx_pci_ms snd_usb_audio memstick snd_seq_midi snd_usbmidi_lib snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp mei_me snd_hda_core snd_hwdep mei snd_rawmidi btusb btrtl btbcm btintel snd_seq snd_pcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core joydev v4l2_common videodev input_leds media snd_seq_device snd_timer snd
  [   23.450028] Modules linked in: rfcomm ctr ccm bnep arc4 drbg ansi_cprng nls_iso8859_1 dm_crypt dell_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp dell_laptop coretemp kvm_intel dcdbas dell_smm_hwmon kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd mac80211 serio_raw snd_hda_codec_hdmi iwlwifi cfg80211 snd_hda_codec_realtek snd_hda_codec_generic lpc_ich rtsx_pci_ms snd_usb_audio memstick snd_seq_midi snd_usbmidi_lib snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp mei_me snd_hda_core snd_hwdep mei snd_rawmidi btusb btrtl btbcm btintel snd_seq snd_pcm bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops hid_multitouch videobuf2_core joydev v4l2_common videodev input_leds media snd_seq_device snd_timer snd
  [   25.359725] iwlwifi 0000:08:00.0: Queue 2 stuck for 10000 ms.
  [   25.359732] iwlwifi 0000:08:00.0: Current SW read_ptr 51 write_ptr 121
  [   25.359765] iwl data: 00000000: 07 00 00 00 00 00 00 00 00 00 f8 ff 00 00 00 00  ................
  [   25.359786] iwlwifi 0000:08:00.0: FH TRBs(0) = 0x00000000
  [   25.359799] iwlwifi 0000:08:00.0: FH TRBs(1) = 0x80102042
  [   25.359812] iwlwifi 0000:08:00.0: FH TRBs(2) = 0x00000000
  [   25.359825] iwlwifi 0000:08:00.0: FH TRBs(3) = 0x80300006
  [   25.359838] iwlwifi 0000:08:00.0: FH TRBs(4) = 0x00000000
  [   25.359851] iwlwifi 0000:08:00.0: FH TRBs(5) = 0x00000000
  [   25.359864] iwlwifi 0000:08:00.0: FH TRBs(6) = 0x00000000
  [   25.359877] iwlwifi 0000:08:00.0: FH TRBs(7) = 0x00709062
  [   25.359929] iwlwifi 0000:08:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [7,7]
  [   25.359987] iwlwifi 0000:08:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [   25.360038] iwlwifi 0000:08:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [51,121]
  [   25.360090] iwlwifi 0000:08:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360142] iwlwifi 0000:08:00.0: Q 4 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360193] iwlwifi 0000:08:00.0: Q 5 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360245] iwlwifi 0000:08:00.0: Q 6 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360296] iwlwifi 0000:08:00.0: Q 7 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360347] iwlwifi 0000:08:00.0: Q 8 is active and mapped to fifo 3 ra_tid 0x0000 [0,0]
  [   25.360399] iwlwifi 0000:08:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [99,99]
  [   25.360450] iwlwifi 0000:08:00.0: Q 10 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360502] iwlwifi 0000:08:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360554] iwlwifi 0000:08:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360605] iwlwifi 0000:08:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360656] iwlwifi 0000:08:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360708] iwlwifi 0000:08:00.0: Q 15 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [   25.360759] iwlwifi 0000:08:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360811] iwlwifi 0000:08:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360862] iwlwifi 0000:08:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360914] iwlwifi 0000:08:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [   25.360966] iwlwifi 0000:08:00.0: Microcode SW error detected.  Restarting 0x2000000.
  [   25.360970] iwlwifi 0000:08:00.0: CSR values:
  [   25.360972] iwlwifi 0000:08:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
  [   25.360986] iwlwifi 0000:08:00.0:        CSR_HW_IF_CONFIG_REG: 0X40489204
  [   25.361000] iwlwifi 0000:08:00.0:          CSR_INT_COALESCING: 0X80000040
  [   25.361013] iwlwifi 0000:08:00.0:                     CSR_INT: 0X00000000
  [   25.361027] iwlwifi 0000:08:00.0:                CSR_INT_MASK: 0X00000000
  [   25.361041] iwlwifi 0000:08:00.0:           CSR_FH_INT_STATUS: 0X00000000
  [   25.361055] iwlwifi 0000:08:00.0:                 CSR_GPIO_IN: 0X00000000
  [   25.361069] iwlwifi 0000:08:00.0:                   CSR_RESET: 0X00000000
  [   25.361082] iwlwifi 0000:08:00.0:                CSR_GP_CNTRL: 0X080403c5
  [   25.361096] iwlwifi 0000:08:00.0:                  CSR_HW_REV: 0X00000144
  [   25.361110] iwlwifi 0000:08:00.0:              CSR_EEPROM_REG: 0X00000000
  [   25.361124] iwlwifi 0000:08:00.0:               CSR_EEPROM_GP: 0X80000000
  [   25.361137] iwlwifi 0000:08:00.0:              CSR_OTP_GP_REG: 0X803a0000
  [   25.361151] iwlwifi 0000:08:00.0:                 CSR_GIO_REG: 0X001f0042
  [   25.361165] iwlwifi 0000:08:00.0:            CSR_GP_UCODE_REG: 0X00000000
  [   25.361179] iwlwifi 0000:08:00.0:           CSR_GP_DRIVER_REG: 0X00000000
  [   25.361192] iwlwifi 0000:08:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
  [   25.361206] iwlwifi 0000:08:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
  [   25.361220] iwlwifi 0000:08:00.0:                 CSR_LED_REG: 0X00000060
  [   25.361234] iwlwifi 0000:08:00.0:        CSR_DRAM_INT_TBL_REG: 0X880b8dba
  [   25.361248] iwlwifi 0000:08:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
  [   25.361262] iwlwifi 0000:08:00.0:             CSR_ANA_PLL_CFG: 0Xd55555d5
  [   25.361275] iwlwifi 0000:08:00.0:      CSR_MONITOR_STATUS_REG: 0X3d0801bd
  [   25.361289] iwlwifi 0000:08:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
  [   25.361303] iwlwifi 0000:08:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0000
  [   25.361305] iwlwifi 0000:08:00.0: FH register values:
  [   25.361326] iwlwifi 0000:08:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X230fe700
  [   25.361339] iwlwifi 0000:08:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X0230fe60
  [   25.361351] iwlwifi 0000:08:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X000000f0
  [   25.361364] iwlwifi 0000:08:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X00801114
  [   25.361377] iwlwifi 0000:08:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
  [   25.361390] iwlwifi 0000:08:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X03030000
  [   25.361403] iwlwifi 0000:08:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
  [   25.361416] iwlwifi 0000:08:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
  [   25.361429] iwlwifi 0000:08:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
  [   25.361541] iwlwifi 0000:08:00.0: Start IWL Error Log Dump:
  [   25.361544] iwlwifi 0000:08:00.0: Status: 0x00000000, count: 6
  [   25.361547] iwlwifi 0000:08:00.0: Loaded firmware version: 25.30.13.0
  [   25.361550] iwlwifi 0000:08:00.0: 0x00000084 | NMI_INTERRUPT_UNKNOWN       
  [   25.361552] iwlwifi 0000:08:00.0: 0x00800634 | uPc
  [   25.361555] iwlwifi 0000:08:00.0: 0x00000000 | branchlink1
  [   25.361557] iwlwifi 0000:08:00.0: 0x00000B2E | branchlink2
  [   25.361559] iwlwifi 0000:08:00.0: 0x0001623C | interruptlink1
  [   25.361562] iwlwifi 0000:08:00.0: 0x000094F2 | interruptlink2
  [   25.361564] iwlwifi 0000:08:00.0: 0x00000000 | data1
  [   25.361566] iwlwifi 0000:08:00.0: 0x00000080 | data2
  [   25.361569] iwlwifi 0000:08:00.0: 0x07030000 | data3
  [   25.361571] iwlwifi 0000:08:00.0: 0xFFFBB960 | beacon time
  [   25.361573] iwlwifi 0000:08:00.0: 0x4E52984C | tsf low
  [   25.361575] iwlwifi 0000:08:00.0: 0x00000009 | tsf hi
  [   25.361577] iwlwifi 0000:08:00.0: 0x00000000 | time gp1
  [   25.361579] iwlwifi 0000:08:00.0: 0x00D3F64C | time gp2
  [   25.361581] iwlwifi 0000:08:00.0: 0x00000000 | time gp3
  [   25.361583] iwlwifi 0000:08:00.0: 0x0004191E | uCode version
  [   25.361585] iwlwifi 0000:08:00.0: 0x00000144 | hw version
  [   25.361587] iwlwifi 0000:08:00.0: 0x40489204 | board version
  [   25.361590] iwlwifi 0000:08:00.0: 0x0233001C | hcmd
  [   25.361592] iwlwifi 0000:08:00.0: 0xA4022002 | isr0
  [   25.361594] iwlwifi 0000:08:00.0: 0x00800000 | isr1
  [   25.361596] iwlwifi 0000:08:00.0: 0x00000002 | isr2
  [   25.361598] iwlwifi 0000:08:00.0: 0x004120C4 | isr3
  [   25.361600] iwlwifi 0000:08:00.0: 0x00000000 | isr4
  [   25.361602] iwlwifi 0000:08:00.0: 0x00000110 | isr_pref
  [   25.361604] iwlwifi 0000:08:00.0: 0x00000000 | wait_event
  [   25.361606] iwlwifi 0000:08:00.0: 0x00000080 | l2p_control
  [   25.361609] iwlwifi 0000:08:00.0: 0x00012030 | l2p_duration
  [   25.361611] iwlwifi 0000:08:00.0: 0x0000003F | l2p_mhvalid
  [   25.361613] iwlwifi 0000:08:00.0: 0x00000080 | l2p_addr_match
  [   25.361615] iwlwifi 0000:08:00.0: 0x00000005 | lmpm_pmg_sel
  [   25.361618] iwlwifi 0000:08:00.0: 0x17061509 | timestamp
  [   25.361620] iwlwifi 0000:08:00.0: 0x0034F000 | flow_handler
  [   25.497461] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   25.497702] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   25.716368] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  [   25.716609] iwlwifi 0000:08:00.0: L1 Enabled - LTR Enabled
  --- 
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  rodrigo    2535 F.... pulseaudio
   /dev/snd/controlC0:  rodrigo    2535 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.10
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=f2fa2c1b-b0a9-4280-b27b-82d0a3eade29
  InstallationDate: Installed on 2015-11-30 (21 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: Dell Inc. Vostro 5470
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-21-generic.efi.signed root=UUID=5f70df59-af6d-49a7-a20c-9b80ea3fe672 ro noprompt persistent quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-21.25-generic 4.2.6
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-21-generic N/A
   linux-backports-modules-4.2.0-21-generic  N/A
   linux-firmware                            1.149.3
  Tags:  wily
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-21-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 04/24/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0DW7DY
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd04/24/2014:svnDellInc.:pnVostro5470:pvr:rvnDellInc.:rn0DW7DY:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Vostro 5470
  dmi.sys.vendor: Dell Inc.

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References

[Bug 1527444] [NEW] Intel 7260 Wifi not working on Ubuntu 15.10
From: Rodrigo Primo, 2015-12-18