Rodrigo Primo, if you boot into a kernel from 15.04, does the WiFi begin to work again?
Instructions for installing a prior kernel are available at https://wiki.ubuntu.com/Kernel/KernelBisection#Bisecting_Ubuntu_kernel_versions . ** Tags removed: bios-outdated-a12 ** Tags added: latest-bios-a12 ** Tags added: kernel-bug-exists-upstream-4.4-rc5 regression-release ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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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