Alexander Bubnov, this bug report is being closed due to your last comment https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1421366/comments/10 regarding this being fixed with an update. For future reference you can manage the status of your own bugs by clicking on the current status in the yellow line and then choosing a new status in the revealed drop down box. You can learn more about bug statuses at https://wiki.ubuntu.com/Bugs/Status. Thank you again for taking the time to report this bug and helping to make Ubuntu better. Please submit any future bugs you may find.
** Changed in: linux (Ubuntu) Status: Confirmed => Invalid -- 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/1421366 Title: wifi works unstable 'kernel-fixed-upstream' Status in linux package in Ubuntu: Invalid Bug description: Hello! My wifi works unstable. It means network goes down time to time. And it makes me crazy. I am not sure where to find a cause but I found strange errors in dmesg [ 16.264702] iwlwifi 0000:05:00.0: can't disable ASPM; OS doesn't have ASPM control [ 16.265640] iwlwifi 0000:05:00.0: irq 48 for MSI/MSI-X [ 16.598809] iwlwifi 0000:05:00.0: loaded firmware version 8.24.2.2 op_mode iwldvm [ 16.628704] iwlwifi 0000:05:00.0: CONFIG_IWLWIFI_DEBUG disabled [ 16.628706] iwlwifi 0000:05:00.0: CONFIG_IWLWIFI_DEBUGFS enabled [ 16.628707] iwlwifi 0000:05:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled [ 16.628709] iwlwifi 0000:05:00.0: Detected Intel(R) WiMAX/WiFi Link 5150 ABG, REV=0x44 [ 16.629218] iwlwifi 0000:05:00.0: L1 Enabled - LTR Disabled [ 22.416806] iwlwifi 0000:05:00.0: L1 Enabled - LTR Disabled [ 22.419871] iwlwifi 0000:05:00.0: Radio type=0x1-0x1-0x0 [ 22.542892] iwlwifi 0000:05:00.0: L1 Enabled - LTR Disabled [ 22.546075] iwlwifi 0000:05:00.0: Radio type=0x1-0x1-0x0 [ 48.073232] iwlwifi 0000:05:00.0: Microcode SW error detected. Restarting 0x2000000. [ 48.073308] iwlwifi 0000:05:00.0: CSR values: [ 48.073310] iwlwifi 0000:05:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) [ 48.073335] iwlwifi 0000:05:00.0: CSR_HW_IF_CONFIG_REG: 0X00484704 [ 48.073360] iwlwifi 0000:05:00.0: CSR_INT_COALESCING: 0X00000040 [ 48.073369] iwlwifi 0000:05:00.0: CSR_INT: 0X00000000 [ 48.073377] iwlwifi 0000:05:00.0: CSR_INT_MASK: 0X00000000 [ 48.073386] iwlwifi 0000:05:00.0: CSR_FH_INT_STATUS: 0X00000000 [ 48.073394] iwlwifi 0000:05:00.0: CSR_GPIO_IN: 0X00000000 [ 48.073403] iwlwifi 0000:05:00.0: CSR_RESET: 0X00000000 [ 48.073412] iwlwifi 0000:05:00.0: CSR_GP_CNTRL: 0X080403c5 [ 48.073420] iwlwifi 0000:05:00.0: CSR_HW_REV: 0X00000044 [ 48.073429] iwlwifi 0000:05:00.0: CSR_EEPROM_REG: 0X00000000 [ 48.073438] iwlwifi 0000:05:00.0: CSR_EEPROM_GP: 0X90000804 [ 48.073446] iwlwifi 0000:05:00.0: CSR_OTP_GP_REG: 0X00020000 [ 48.073455] iwlwifi 0000:05:00.0: CSR_GIO_REG: 0X00080042 [ 48.073464] iwlwifi 0000:05:00.0: CSR_GP_UCODE_REG: 0X0000199b [ 48.073472] iwlwifi 0000:05:00.0: CSR_GP_DRIVER_REG: 0X00000000 [ 48.073481] iwlwifi 0000:05:00.0: CSR_UCODE_DRV_GP1: 0X00000000 [ 48.073506] iwlwifi 0000:05:00.0: CSR_UCODE_DRV_GP2: 0X00000000 [ 48.073514] iwlwifi 0000:05:00.0: CSR_LED_REG: 0X00000040 [ 48.073523] iwlwifi 0000:05:00.0: CSR_DRAM_INT_TBL_REG: 0X88070876 [ 48.073531] iwlwifi 0000:05:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 [ 48.073540] iwlwifi 0000:05:00.0: CSR_ANA_PLL_CFG: 0X00880300 [ 48.073549] iwlwifi 0000:05:00.0: CSR_HW_REV_WA_REG: 0X0001001a [ 48.073573] iwlwifi 0000:05:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 [ 48.073576] iwlwifi 0000:05:00.0: FH register values: [ 48.073628] iwlwifi 0000:05:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X07242000 [ 48.073675] iwlwifi 0000:05:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X0071b6c0 [ 48.073694] iwlwifi 0000:05:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000080 [ 48.073713] iwlwifi 0000:05:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114 [ 48.073733] iwlwifi 0000:05:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc [ 48.073752] iwlwifi 0000:05:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 [ 48.073765] iwlwifi 0000:05:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 [ 48.073779] iwlwifi 0000:05:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 [ 48.073798] iwlwifi 0000:05:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 [ 48.073802] iwlwifi 0000:05:00.0: Loaded firmware version: 8.24.2.2 [ 48.073937] iwlwifi 0000:05:00.0: Start IWL Error Log Dump: [ 48.073939] iwlwifi 0000:05:00.0: Status: 0x0000004C, count: 5 [ 48.073942] iwlwifi 0000:05:00.0: 0x00000004 | NMI_INTERRUPT_WDG [ 48.073944] iwlwifi 0000:05:00.0: 0x000006F4 | uPc [ 48.073946] iwlwifi 0000:05:00.0: 0x000005BA | branchlink1 [ 48.073949] iwlwifi 0000:05:00.0: 0x000006F8 | branchlink2 [ 48.073951] iwlwifi 0000:05:00.0: 0x000008C2 | interruptlink1 [ 48.073953] iwlwifi 0000:05:00.0: 0x00005B02 | interruptlink2 [ 48.073955] iwlwifi 0000:05:00.0: 0x00000002 | data1 [ 48.073957] iwlwifi 0000:05:00.0: 0x07030000 | data2 [ 48.073959] iwlwifi 0000:05:00.0: 0x00000068 | line [ 48.073961] iwlwifi 0000:05:00.0: 0x35C02C5A | beacon time [ 48.073963] iwlwifi 0000:05:00.0: 0x8BCA63A6 | tsf low [ 48.073965] iwlwifi 0000:05:00.0: 0x0000005A | tsf hi [ 48.073967] iwlwifi 0000:05:00.0: 0x00000000 | time gp1 [ 48.073970] iwlwifi 0000:05:00.0: 0x01855040 | time gp2 [ 48.073972] iwlwifi 0000:05:00.0: 0x00000000 | time gp3 [ 48.073974] iwlwifi 0000:05:00.0: 0x00010818 | uCode version [ 48.073976] iwlwifi 0000:05:00.0: 0x00000000 | hw version [ 48.073978] iwlwifi 0000:05:00.0: 0x00484704 | board version [ 48.073980] iwlwifi 0000:05:00.0: 0x00000002 | hcmd May be it is a dublicate of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1099487 And wifi does not work after waking up at all. I do not know any work arounds. Please feel free to contact me. I love ubuntu and ready to help. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-45-generic 3.13.0-45.74 ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13 Uname: Linux 3.13.0-45-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ts 1475 F.... pulseaudio CRDA: country RU: (2402 - 2482 @ 40), (N/A, 20) (5735 - 5835 @ 20), (N/A, 30) CurrentDesktop: Unity Date: Thu Feb 12 22:22:48 2015 HibernationDevice: RESUME=UUID=0b240f70-b31e-4a9c-a34d-1de66cf1d394 InstallationDate: Installed on 2015-02-08 (3 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: LENOVO 2874RV4 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic root=UUID=6cb89af7-7e1c-4430-b5d7-1a1e4a6a1675 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-45-generic N/A linux-backports-modules-3.13.0-45-generic N/A linux-firmware 1.127.11 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/30/2010 dmi.bios.vendor: LENOVO dmi.bios.version: 6JET77WW (1.35 ) dmi.board.name: 2874RV4 dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6JET77WW(1.35):bd04/30/2010:svnLENOVO:pn2874RV4:pvrThinkPadSL410:rvnLENOVO:rn2874RV4:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2874RV4 dmi.product.version: ThinkPad SL410 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1421366/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp