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[Bug 1500277] Re: iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000.

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Alberto Salvia Novella <es20490446e@xxxxxxxxx>
Date: Wed, 30 Sep 2015 14:25:32 -0000
Reply-to: Bug 1500277 <1500277@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1500277

Title:
  iwlwifi 0000:01:00.0: Microcode SW error detected.  Restarting
  0x2000000.

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  dmesg:
  [16043.074355] iwlwifi 0000:01:00.0: Microcode SW error detected.  Restarting 0x2000000.
  [16043.074362] iwlwifi 0000:01:00.0: CSR values:
  [16043.074365] iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
  [16043.074371] iwlwifi 0000:01:00.0:        CSR_HW_IF_CONFIG_REG: 0X00484b00
  [16043.074377] iwlwifi 0000:01:00.0:          CSR_INT_COALESCING: 0X0000ff40
  [16043.074383] iwlwifi 0000:01:00.0:                     CSR_INT: 0X00000000
  [16043.074389] iwlwifi 0000:01:00.0:                CSR_INT_MASK: 0X00000000
  [16043.074395] iwlwifi 0000:01:00.0:           CSR_FH_INT_STATUS: 0X00000000
  [16043.074401] iwlwifi 0000:01:00.0:                 CSR_GPIO_IN: 0X0000003c
  [16043.074406] iwlwifi 0000:01:00.0:                   CSR_RESET: 0X00000000
  [16043.074412] iwlwifi 0000:01:00.0:                CSR_GP_CNTRL: 0X080403c5
  [16043.074417] iwlwifi 0000:01:00.0:                  CSR_HW_REV: 0X000000b0
  [16043.074423] iwlwifi 0000:01:00.0:              CSR_EEPROM_REG: 0Xdc540ffd
  [16043.074428] iwlwifi 0000:01:00.0:               CSR_EEPROM_GP: 0X90000801
  [16043.074434] iwlwifi 0000:01:00.0:              CSR_OTP_GP_REG: 0X00030001
  [16043.074439] iwlwifi 0000:01:00.0:                 CSR_GIO_REG: 0X00080044
  [16043.074444] iwlwifi 0000:01:00.0:            CSR_GP_UCODE_REG: 0X0000404d
  [16043.074450] iwlwifi 0000:01:00.0:           CSR_GP_DRIVER_REG: 0X00000000
  [16043.074455] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
  [16043.074460] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
  [16043.074466] iwlwifi 0000:01:00.0:                 CSR_LED_REG: 0X00000040
  [16043.074471] iwlwifi 0000:01:00.0:        CSR_DRAM_INT_TBL_REG: 0X880cb9bb
  [16043.074476] iwlwifi 0000:01:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
  [16043.074482] iwlwifi 0000:01:00.0:             CSR_ANA_PLL_CFG: 0X00000000
  [16043.074487] iwlwifi 0000:01:00.0:      CSR_MONITOR_STATUS_REG: 0X43f7ffd7
  [16043.074493] iwlwifi 0000:01:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
  [16043.074498] iwlwifi 0000:01:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0000
  [16043.074501] iwlwifi 0000:01:00.0: FH register values:
  [16043.074516] iwlwifi 0000:01:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X0ca56600
  [16043.074531] iwlwifi 0000:01:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00ca5650
  [16043.074546] iwlwifi 0000:01:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X000000f0
  [16043.074560] iwlwifi 0000:01:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114
  [16043.074574] iwlwifi 0000:01:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
  [16043.074588] iwlwifi 0000:01:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
  [16043.074603] iwlwifi 0000:01:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
  [16043.074617] iwlwifi 0000:01:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
  [16043.074632] iwlwifi 0000:01:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
  [16043.074635] iwlwifi 0000:01:00.0: Loaded firmware version: 18.168.6.1
  [16043.074756] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
  [16043.074759] iwlwifi 0000:01:00.0: Status: 0x000002CC, count: 6
  [16043.074762] iwlwifi 0000:01:00.0: 0x0000198A | ADVANCED_SYSASSERT          
  [16043.074765] iwlwifi 0000:01:00.0: 0x00015920 | uPc
  [16043.074767] iwlwifi 0000:01:00.0: 0x00015910 | branchlink1
  [16043.074770] iwlwifi 0000:01:00.0: 0x00015910 | branchlink2
  [16043.074772] iwlwifi 0000:01:00.0: 0x0000DBEA | interruptlink1
  [16043.074774] iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2
  [16043.074777] iwlwifi 0000:01:00.0: 0x000023FC | data1
  [16043.074779] iwlwifi 0000:01:00.0: 0x0000000A | data2
  [16043.074781] iwlwifi 0000:01:00.0: 0x000001DC | line
  [16043.074784] iwlwifi 0000:01:00.0: 0xEDC02035 | beacon time
  [16043.074786] iwlwifi 0000:01:00.0: 0x9C715FCB | tsf low
  [16043.074789] iwlwifi 0000:01:00.0: 0x0000017F | tsf hi
  [16043.074791] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
  [16043.074793] iwlwifi 0000:01:00.0: 0xBC02C2D7 | time gp2
  [16043.074796] iwlwifi 0000:01:00.0: 0x00000000 | time gp3
  [16043.074798] iwlwifi 0000:01:00.0: 0x754312A8 | uCode version
  [16043.074800] iwlwifi 0000:01:00.0: 0x000000B0 | hw version
  [16043.074803] iwlwifi 0000:01:00.0: 0x00484B00 | board version
  [16043.074805] iwlwifi 0000:01:00.0: 0x0000001C | hcmd
  [16043.074807] iwlwifi 0000:01:00.0: 0x2F863840 | isr0
  [16043.074810] iwlwifi 0000:01:00.0: 0x1189F800 | isr1
  [16043.074812] iwlwifi 0000:01:00.0: 0x00000E07 | isr2
  [16043.074814] iwlwifi 0000:01:00.0: 0x0547FCC2 | isr3
  [16043.074817] iwlwifi 0000:01:00.0: 0x00000000 | isr4
  [16043.074819] iwlwifi 0000:01:00.0: 0x00800110 | isr_pref
  [16043.074821] iwlwifi 0000:01:00.0: 0x000260A4 | wait_event
  [16043.074824] iwlwifi 0000:01:00.0: 0x000000D4 | l2p_control
  [16043.074826] iwlwifi 0000:01:00.0: 0x00000000 | l2p_duration
  [16043.074828] iwlwifi 0000:01:00.0: 0x00000007 | l2p_mhvalid
  [16043.074831] iwlwifi 0000:01:00.0: 0x00101040 | l2p_addr_match
  [16043.074833] iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel
  [16043.074835] iwlwifi 0000:01:00.0: 0x13011136 | timestamp
  [16043.074838] iwlwifi 0000:01:00.0: 0x0000F000 | flow_handler
  [16043.074893] iwlwifi 0000:01:00.0: Start IWL Event Log Dump: nothing in log
  [16043.075088] ieee80211 phy0: Hardware restart was requested
  [16043.075237] iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
  [16043.081936] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0
  [16043.354939] iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
  [16043.361848] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0
  [18729.729685] perf interrupt took too long (5005 > 5000), lowering kernel.perf_event_max_sample_rate to 25000
  [26478.710842] iwlwifi 0000:01:00.0: Microcode SW error detected.  Restarting 0x82000000.
  [26478.710856] iwlwifi 0000:01:00.0: CSR values:
  [26478.710861] iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
  [26478.710870] iwlwifi 0000:01:00.0:        CSR_HW_IF_CONFIG_REG: 0X00484b00
  [26478.710879] iwlwifi 0000:01:00.0:          CSR_INT_COALESCING: 0X00000040
  [26478.710887] iwlwifi 0000:01:00.0:                     CSR_INT: 0X00000000
  [26478.710895] iwlwifi 0000:01:00.0:                CSR_INT_MASK: 0X00000000
  [26478.710902] iwlwifi 0000:01:00.0:           CSR_FH_INT_STATUS: 0X00000000
  [26478.710910] iwlwifi 0000:01:00.0:                 CSR_GPIO_IN: 0X0000003c
  [26478.710918] iwlwifi 0000:01:00.0:                   CSR_RESET: 0X00000000
  [26478.710926] iwlwifi 0000:01:00.0:                CSR_GP_CNTRL: 0X080403c5
  [26478.710934] iwlwifi 0000:01:00.0:                  CSR_HW_REV: 0X000000b0
  [26478.710942] iwlwifi 0000:01:00.0:              CSR_EEPROM_REG: 0Xdc540ffd
  [26478.710949] iwlwifi 0000:01:00.0:               CSR_EEPROM_GP: 0X90000801
  [26478.710957] iwlwifi 0000:01:00.0:              CSR_OTP_GP_REG: 0X00030001
  [26478.710965] iwlwifi 0000:01:00.0:                 CSR_GIO_REG: 0X00080044
  [26478.710972] iwlwifi 0000:01:00.0:            CSR_GP_UCODE_REG: 0X00009a05
  [26478.710980] iwlwifi 0000:01:00.0:           CSR_GP_DRIVER_REG: 0X00000000
  [26478.710987] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
  [26478.710994] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
  [26478.711002] iwlwifi 0000:01:00.0:                 CSR_LED_REG: 0X00000060
  [26478.711011] iwlwifi 0000:01:00.0:        CSR_DRAM_INT_TBL_REG: 0X880cb9bb
  [26478.711018] iwlwifi 0000:01:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
  [26478.711025] iwlwifi 0000:01:00.0:             CSR_ANA_PLL_CFG: 0X00000000
  [26478.711033] iwlwifi 0000:01:00.0:      CSR_MONITOR_STATUS_REG: 0X43f7f757
  [26478.711041] iwlwifi 0000:01:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
  [26478.711049] iwlwifi 0000:01:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0000
  [26478.711054] iwlwifi 0000:01:00.0: FH register values:
  [26478.711072] iwlwifi 0000:01:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X0ca56600
  [26478.711090] iwlwifi 0000:01:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00ca5650
  [26478.711107] iwlwifi 0000:01:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X00000058
  [26478.711125] iwlwifi 0000:01:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114
  [26478.711142] iwlwifi 0000:01:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
  [26478.711159] iwlwifi 0000:01:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
  [26478.711176] iwlwifi 0000:01:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
  [26478.711194] iwlwifi 0000:01:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
  [26478.711211] iwlwifi 0000:01:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
  [26478.711217] iwlwifi 0000:01:00.0: Loaded firmware version: 18.168.6.1
  [26478.711342] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
  [26478.711348] iwlwifi 0000:01:00.0: Status: 0x000002CC, count: 6
  [26478.711353] iwlwifi 0000:01:00.0: 0x0000198A | ADVANCED_SYSASSERT          
  [26478.711358] iwlwifi 0000:01:00.0: 0x00015920 | uPc
  [26478.711363] iwlwifi 0000:01:00.0: 0x00015910 | branchlink1
  [26478.711367] iwlwifi 0000:01:00.0: 0x00015910 | branchlink2
  [26478.711372] iwlwifi 0000:01:00.0: 0x0000DBEA | interruptlink1
  [26478.711376] iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2
  [26478.711380] iwlwifi 0000:01:00.0: 0x000016EA | data1
  [26478.711385] iwlwifi 0000:01:00.0: 0x0000000A | data2
  [26478.711389] iwlwifi 0000:01:00.0: 0x000001DC | line
  [26478.711394] iwlwifi 0000:01:00.0: 0x8C409270 | beacon time
  [26478.711398] iwlwifi 0000:01:00.0: 0x0AA3BD90 | tsf low
  [26478.711402] iwlwifi 0000:01:00.0: 0x00000182 | tsf hi
  [26478.711406] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
  [26478.711411] iwlwifi 0000:01:00.0: 0x6E2E0029 | time gp2
  [26478.711415] iwlwifi 0000:01:00.0: 0x00000000 | time gp3
  [26478.711419] iwlwifi 0000:01:00.0: 0x754312A8 | uCode version
  [26478.711424] iwlwifi 0000:01:00.0: 0x000000B0 | hw version
  [26478.711428] iwlwifi 0000:01:00.0: 0x00484B00 | board version
  [26478.711432] iwlwifi 0000:01:00.0: 0x0000001C | hcmd
  [26478.711437] iwlwifi 0000:01:00.0: 0x2F863840 | isr0
  [26478.711441] iwlwifi 0000:01:00.0: 0x1189F800 | isr1
  [26478.711445] iwlwifi 0000:01:00.0: 0x00000E07 | isr2
  [26478.711449] iwlwifi 0000:01:00.0: 0x0147FCC3 | isr3
  [26478.711454] iwlwifi 0000:01:00.0: 0x00000000 | isr4
  [26478.711458] iwlwifi 0000:01:00.0: 0x00000110 | isr_pref
  [26478.711462] iwlwifi 0000:01:00.0: 0x000260A4 | wait_event
  [26478.711467] iwlwifi 0000:01:00.0: 0x00000050 | l2p_control
  [26478.711471] iwlwifi 0000:01:00.0: 0x0000013A | l2p_duration
  [26478.711476] iwlwifi 0000:01:00.0: 0x0000003F | l2p_mhvalid
  [26478.711480] iwlwifi 0000:01:00.0: 0x00101040 | l2p_addr_match
  [26478.711485] iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel
  [26478.711489] iwlwifi 0000:01:00.0: 0x13011136 | timestamp
  [26478.711494] iwlwifi 0000:01:00.0: 0x00005868 | flow_handler
  [26478.711553] iwlwifi 0000:01:00.0: Start IWL Event Log Dump: nothing in log
  [26478.711767] ieee80211 phy0: Hardware restart was requested
  [26478.711908] iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
  [26478.718590] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0
  [26478.993464] iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
  [26479.000154] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0
  [27678.460187] iwlwifi 0000:01:00.0: Microcode SW error detected.  Restarting 0x2000000.
  [27678.460200] iwlwifi 0000:01:00.0: CSR values:
  [27678.460204] iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
  [27678.460214] iwlwifi 0000:01:00.0:        CSR_HW_IF_CONFIG_REG: 0X00484b00
  [27678.460223] iwlwifi 0000:01:00.0:          CSR_INT_COALESCING: 0X0000ff40
  [27678.460231] iwlwifi 0000:01:00.0:                     CSR_INT: 0X00000000
  [27678.460239] iwlwifi 0000:01:00.0:                CSR_INT_MASK: 0X00000000
  [27678.460246] iwlwifi 0000:01:00.0:           CSR_FH_INT_STATUS: 0X00000000
  [27678.460254] iwlwifi 0000:01:00.0:                 CSR_GPIO_IN: 0X0000003c
  [27678.460262] iwlwifi 0000:01:00.0:                   CSR_RESET: 0X00000000
  [27678.460270] iwlwifi 0000:01:00.0:                CSR_GP_CNTRL: 0X080403c5
  [27678.460278] iwlwifi 0000:01:00.0:                  CSR_HW_REV: 0X000000b0
  [27678.460286] iwlwifi 0000:01:00.0:              CSR_EEPROM_REG: 0Xdc540ffd
  [27678.460293] iwlwifi 0000:01:00.0:               CSR_EEPROM_GP: 0X90000801
  [27678.460301] iwlwifi 0000:01:00.0:              CSR_OTP_GP_REG: 0X00030001
  [27678.460309] iwlwifi 0000:01:00.0:                 CSR_GIO_REG: 0X00080044
  [27678.460316] iwlwifi 0000:01:00.0:            CSR_GP_UCODE_REG: 0X00005966
  [27678.460324] iwlwifi 0000:01:00.0:           CSR_GP_DRIVER_REG: 0X00000000
  [27678.460332] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
  [27678.460340] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
  [27678.460347] iwlwifi 0000:01:00.0:                 CSR_LED_REG: 0X00000060
  [27678.460355] iwlwifi 0000:01:00.0:        CSR_DRAM_INT_TBL_REG: 0X880cb9bb
  [27678.460362] iwlwifi 0000:01:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
  [27678.460369] iwlwifi 0000:01:00.0:             CSR_ANA_PLL_CFG: 0X00000000
  [27678.460377] iwlwifi 0000:01:00.0:      CSR_MONITOR_STATUS_REG: 0X43f7f757
  [27678.460385] iwlwifi 0000:01:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
  [27678.460393] iwlwifi 0000:01:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0000
  [27678.460398] iwlwifi 0000:01:00.0: FH register values:
  [27678.460416] iwlwifi 0000:01:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X0ca56600
  [27678.460433] iwlwifi 0000:01:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00ca5650
  [27678.460450] iwlwifi 0000:01:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X00000038
  [27678.460467] iwlwifi 0000:01:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114
  [27678.460484] iwlwifi 0000:01:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
  [27678.460501] iwlwifi 0000:01:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
  [27678.460518] iwlwifi 0000:01:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
  [27678.460535] iwlwifi 0000:01:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
  [27678.460552] iwlwifi 0000:01:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
  [27678.460558] iwlwifi 0000:01:00.0: Loaded firmware version: 18.168.6.1
  [27678.460683] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
  [27678.460689] iwlwifi 0000:01:00.0: Status: 0x000002CC, count: 6
  [27678.460695] iwlwifi 0000:01:00.0: 0x0000198A | ADVANCED_SYSASSERT          
  [27678.460699] iwlwifi 0000:01:00.0: 0x00015920 | uPc
  [27678.460704] iwlwifi 0000:01:00.0: 0x00015910 | branchlink1
  [27678.460708] iwlwifi 0000:01:00.0: 0x00015910 | branchlink2
  [27678.460713] iwlwifi 0000:01:00.0: 0x0000DBEA | interruptlink1
  [27678.460717] iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2
  [27678.460721] iwlwifi 0000:01:00.0: 0x00000268 | data1
  [27678.460725] iwlwifi 0000:01:00.0: 0x00000005 | data2
  [27678.460730] iwlwifi 0000:01:00.0: 0x000001DC | line
  [27678.460734] iwlwifi 0000:01:00.0: 0x7100F0BD | beacon time
  [27678.460739] iwlwifi 0000:01:00.0: 0x522BDF43 | tsf low
  [27678.460743] iwlwifi 0000:01:00.0: 0x00000182 | tsf hi
  [27678.460747] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
  [27678.460751] iwlwifi 0000:01:00.0: 0x47839440 | time gp2
  [27678.460756] iwlwifi 0000:01:00.0: 0x00000000 | time gp3
  [27678.460760] iwlwifi 0000:01:00.0: 0x754312A8 | uCode version
  [27678.460764] iwlwifi 0000:01:00.0: 0x000000B0 | hw version
  [27678.460769] iwlwifi 0000:01:00.0: 0x00484B00 | board version
  [27678.460773] iwlwifi 0000:01:00.0: 0x0000001C | hcmd
  [27678.460778] iwlwifi 0000:01:00.0: 0x2F963800 | isr0
  [27678.460782] iwlwifi 0000:01:00.0: 0x1189F800 | isr1
  [27678.460786] iwlwifi 0000:01:00.0: 0x00000E07 | isr2
  [27678.460790] iwlwifi 0000:01:00.0: 0x014320C2 | isr3
  [27678.460795] iwlwifi 0000:01:00.0: 0x00000000 | isr4
  [27678.460799] iwlwifi 0000:01:00.0: 0x00000110 | isr_pref
  [27678.460804] iwlwifi 0000:01:00.0: 0x000260A4 | wait_event
  [27678.460808] iwlwifi 0000:01:00.0: 0x00000850 | l2p_control
  [27678.460812] iwlwifi 0000:01:00.0: 0x0000013A | l2p_duration
  [27678.460817] iwlwifi 0000:01:00.0: 0x0000003F | l2p_mhvalid
  [27678.460821] iwlwifi 0000:01:00.0: 0x00101040 | l2p_addr_match
  [27678.460826] iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel
  [27678.460830] iwlwifi 0000:01:00.0: 0x13011136 | timestamp
  [27678.460834] iwlwifi 0000:01:00.0: 0x00003848 | flow_handler
  [27678.460894] iwlwifi 0000:01:00.0: Start IWL Event Log Dump: nothing in log
  [27678.461149] ieee80211 phy0: Hardware restart was requested
  [27678.461224] iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
  [27678.467911] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0
  [27678.742193] iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
  [27678.749141] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-11-generic 4.2.0-11.13
  ProcVersionSignature: Ubuntu 4.2.0-11.13-generic 4.2.1
  Uname: Linux 4.2.0-11-generic x86_64
  ApportVersion: 2.19-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  caravena   1276 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Sun Sep 27 20:09:52 2015
  HibernationDevice: RESUME=UUID=360bd2d2-4f44-4311-86d6-4781ac81ee87
  InstallationDate: Installed on 2015-07-26 (63 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150723)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-11-generic root=UUID=4f4435ca-b877-47a5-9065-3dd624c0514e ro rootflags=subvol=@ quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-11-generic N/A
   linux-backports-modules-4.2.0-11-generic  N/A
   linux-firmware                            1.148
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No existe el archivo o el directorio: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2013
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: P14AAJ
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: SAMSUNG_NP1234567890
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 530U3C/530U4C
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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References

[Bug 1500277] [NEW] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000.
From: Cristian Aravena Romero, 2015-09-27