Ubuntu
linux-firmware package

iwlwifi kernel module failing wifi connection: Microcode SW error detected

Bug #1548101 reported by Sezer Yalcin on 2016-02-21

This bug affects 3 people

Affects		Status	Importance	Assigned to	Milestone
	linux-firmware (Ubuntu)	Expired	Undecided	Unassigned

Bug Description

Intel Wifi 7260ac card fails WIFI connectivity with following errors in kern.log:

Feb 21 19:19:04 g750 kernel: [ 2771.781401] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:19:06 g750 kernel: [ 2773.514810] iwlwifi 0000:03:00.0: Microcode SW error detected. Restarting 0x2000000.
Feb 21 19:19:06 g750 kernel: [ 2773.514821] iwlwifi 0000:03:00.0: CSR values:
Feb 21 19:19:06 g750 kernel: [ 2773.514825] iwlwifi 0000:03:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
Feb 21 19:19:06 g750 kernel: [ 2773.514847] iwlwifi 0000:03:00.0: CSR_HW_IF_CONFIG_REG: 0X00489204
Feb 21 19:19:06 g750 kernel: [ 2773.514869] iwlwifi 0000:03:00.0: CSR_INT_COALESCING: 0X8000ff40
Feb 21 19:19:06 g750 kernel: [ 2773.514884] iwlwifi 0000:03:00.0: CSR_INT: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.514899] iwlwifi 0000:03:00.0: CSR_INT_MASK: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.514914] iwlwifi 0000:03:00.0: CSR_FH_INT_STATUS: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.514929] iwlwifi 0000:03:00.0: CSR_GPIO_IN: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.514944] iwlwifi 0000:03:00.0: CSR_RESET: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.514960] iwlwifi 0000:03:00.0: CSR_GP_CNTRL: 0X080403c5
Feb 21 19:19:06 g750 kernel: [ 2773.514975] iwlwifi 0000:03:00.0: CSR_HW_REV: 0X00000144
Feb 21 19:19:06 g750 kernel: [ 2773.514990] iwlwifi 0000:03:00.0: CSR_EEPROM_REG: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.515006] iwlwifi 0000:03:00.0: CSR_EEPROM_GP: 0X80000000
Feb 21 19:19:06 g750 kernel: [ 2773.515021] iwlwifi 0000:03:00.0: CSR_OTP_GP_REG: 0X803a0000
Feb 21 19:19:06 g750 kernel: [ 2773.515036] iwlwifi 0000:03:00.0: CSR_GIO_REG: 0X00080042
Feb 21 19:19:06 g750 kernel: [ 2773.515051] iwlwifi 0000:03:00.0: CSR_GP_UCODE_REG: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.515066] iwlwifi 0000:03:00.0: CSR_GP_DRIVER_REG: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.515081] iwlwifi 0000:03:00.0: CSR_UCODE_DRV_GP1: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.515096] iwlwifi 0000:03:00.0: CSR_UCODE_DRV_GP2: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.515111] iwlwifi 0000:03:00.0: CSR_LED_REG: 0X00000060
Feb 21 19:19:06 g750 kernel: [ 2773.515126] iwlwifi 0000:03:00.0: CSR_DRAM_INT_TBL_REG: 0X8886e3d4
Feb 21 19:19:06 g750 kernel: [ 2773.515141] iwlwifi 0000:03:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200
Feb 21 19:19:06 g750 kernel: [ 2773.515156] iwlwifi 0000:03:00.0: CSR_ANA_PLL_CFG: 0Xd55555d5
Feb 21 19:19:06 g750 kernel: [ 2773.515171] iwlwifi 0000:03:00.0: CSR_HW_REV_WA_REG: 0X0001001a
Feb 21 19:19:06 g750 kernel: [ 2773.515186] iwlwifi 0000:03:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0010
Feb 21 19:19:06 g750 kernel: [ 2773.515190] iwlwifi 0000:03:00.0: FH register values:
Feb 21 19:19:06 g750 kernel: [ 2773.515217] iwlwifi 0000:03:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X86fc6300
Feb 21 19:19:06 g750 kernel: [ 2773.515244] iwlwifi 0000:03:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X086fc620
Feb 21 19:19:06 g750 kernel: [ 2773.515270] iwlwifi 0000:03:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000030
Feb 21 19:19:06 g750 kernel: [ 2773.515296] iwlwifi 0000:03:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114
Feb 21 19:19:06 g750 kernel: [ 2773.515323] iwlwifi 0000:03:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
Feb 21 19:19:06 g750 kernel: [ 2773.515350] iwlwifi 0000:03:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
Feb 21 19:19:06 g750 kernel: [ 2773.515373] iwlwifi 0000:03:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.515400] iwlwifi 0000:03:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001
Feb 21 19:19:06 g750 kernel: [ 2773.515426] iwlwifi 0000:03:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000
Feb 21 19:19:06 g750 kernel: [ 2773.515567] iwlwifi 0000:03:00.0: Start IWL Error Log Dump:
Feb 21 19:19:06 g750 kernel: [ 2773.515572] iwlwifi 0000:03:00.0: Status: 0x00000000, count: 6
Feb 21 19:19:06 g750 kernel: [ 2773.515576] iwlwifi 0000:03:00.0: Loaded firmware version: 22.24.8.0
Feb 21 19:19:06 g750 kernel: [ 2773.515581] iwlwifi 0000:03:00.0: 0x00002078 | ADVANCED_SYSASSERT
Feb 21 19:19:06 g750 kernel: [ 2773.515584] iwlwifi 0000:03:00.0: 0x00A002B0 | uPc
Feb 21 19:19:06 g750 kernel: [ 2773.515588] iwlwifi 0000:03:00.0: 0x00000000 | branchlink1
Feb 21 19:19:06 g750 kernel: [ 2773.515591] iwlwifi 0000:03:00.0: 0x00000BEA | branchlink2
Feb 21 19:19:06 g750 kernel: [ 2773.515595] iwlwifi 0000:03:00.0: 0x00015EB4 | interruptlink1
Feb 21 19:19:06 g750 kernel: [ 2773.515599] iwlwifi 0000:03:00.0: 0x0064A6B8 | interruptlink2
Feb 21 19:19:06 g750 kernel: [ 2773.515602] iwlwifi 0000:03:00.0: 0x00000000 | data1
Feb 21 19:19:06 g750 kernel: [ 2773.515606] iwlwifi 0000:03:00.0: 0x0000E90F | data2
Feb 21 19:19:06 g750 kernel: [ 2773.515609] iwlwifi 0000:03:00.0: 0xDEADBEEF | data3
Feb 21 19:19:06 g750 kernel: [ 2773.515613] iwlwifi 0000:03:00.0: 0x58401518 | beacon time
Feb 21 19:19:06 g750 kernel: [ 2773.515616] iwlwifi 0000:03:00.0: 0x877D5AF2 | tsf low
Feb 21 19:19:06 g750 kernel: [ 2773.515620] iwlwifi 0000:03:00.0: 0x00000053 | tsf hi
Feb 21 19:19:06 g750 kernel: [ 2773.515623] iwlwifi 0000:03:00.0: 0x00000000 | time gp1
Feb 21 19:19:06 g750 kernel: [ 2773.515627] iwlwifi 0000:03:00.0: 0xA4C7FCB3 | time gp2
Feb 21 19:19:06 g750 kernel: [ 2773.515630] iwlwifi 0000:03:00.0: 0x00000000 | time gp3
Feb 21 19:19:06 g750 kernel: [ 2773.515634] iwlwifi 0000:03:00.0: 0x00041618 | uCode version
Feb 21 19:19:06 g750 kernel: [ 2773.515637] iwlwifi 0000:03:00.0: 0x00000144 | hw version
Feb 21 19:19:06 g750 kernel: [ 2773.515641] iwlwifi 0000:03:00.0: 0x00489204 | board version
Feb 21 19:19:06 g750 kernel: [ 2773.515644] iwlwifi 0000:03:00.0: 0x0979004E | hcmd
Feb 21 19:19:06 g750 kernel: [ 2773.515648] iwlwifi 0000:03:00.0: 0x00022084 | isr0
Feb 21 19:19:06 g750 kernel: [ 2773.515651] iwlwifi 0000:03:00.0: 0x00000000 | isr1
Feb 21 19:19:06 g750 kernel: [ 2773.515655] iwlwifi 0000:03:00.0: 0x0000000A | isr2
Feb 21 19:19:06 g750 kernel: [ 2773.515658] iwlwifi 0000:03:00.0: 0x0041FCC0 | isr3
Feb 21 19:19:06 g750 kernel: [ 2773.515661] iwlwifi 0000:03:00.0: 0x00000000 | isr4
Feb 21 19:19:06 g750 kernel: [ 2773.515665] iwlwifi 0000:03:00.0: 0x01008112 | isr_pref
Feb 21 19:19:06 g750 kernel: [ 2773.515668] iwlwifi 0000:03:00.0: 0x00000000 | wait_event
Feb 21 19:19:06 g750 kernel: [ 2773.515672] iwlwifi 0000:03:00.0: 0x00000080 | l2p_control
Feb 21 19:19:06 g750 kernel: [ 2773.515675] iwlwifi 0000:03:00.0: 0x00010020 | l2p_duration
Feb 21 19:19:06 g750 kernel: [ 2773.515679] iwlwifi 0000:03:00.0: 0x0000003F | l2p_mhvalid
Feb 21 19:19:06 g750 kernel: [ 2773.515682] iwlwifi 0000:03:00.0: 0x000000CE | l2p_addr_match
Feb 21 19:19:06 g750 kernel: [ 2773.515686] iwlwifi 0000:03:00.0: 0x00000005 | lmpm_pmg_sel
Feb 21 19:19:06 g750 kernel: [ 2773.515689] iwlwifi 0000:03:00.0: 0x23021719 | timestamp
Feb 21 19:19:06 g750 kernel: [ 2773.515693] iwlwifi 0000:03:00.0: 0x00003038 | flow_handler
Feb 21 19:19:06 g750 kernel: [ 2773.581739] ieee80211 phy0: Hardware restart was requested
Feb 21 19:19:06 g750 kernel: [ 2773.582405] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
Feb 21 19:19:06 g750 kernel: [ 2773.582668] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
Feb 21 19:19:06 g750 kernel: [ 2773.829865] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:19:16 g750 kernel: [ 2783.867181] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:19:18 g750 kernel: [ 2785.813272] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:19:28 g750 kernel: [ 2795.850505] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:19:30 g750 kernel: [ 2797.796532] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:19:40 g750 kernel: [ 2807.833835] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:19:42 g750 kernel: [ 2809.889352] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:19:55 g750 kernel: [ 2822.889833] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:19:56 g750 kernel: [ 2823.811570] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:20:04 g750 kernel: [ 2831.902906] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:20:06 g750 kernel: [ 2833.848994] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:20:07 g750 kernel: [ 2834.873162] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:20:08 g750 kernel: [ 2835.904640] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:28:13 g750 kernel: [ 3321.420891] cfg80211: Calling CRDA to update world regulatory domain
Feb 21 19:28:13 g750 kernel: [ 3321.423492] cfg80211: World regulatory domain updated:
Feb 21 19:28:13 g750 kernel: [ 3321.423495] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Feb 21 19:28:13 g750 kernel: [ 3321.423497] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 19:28:13 g750 kernel: [ 3321.423498] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 19:28:13 g750 kernel: [ 3321.423500] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
Feb 21 19:28:13 g750 kernel: [ 3321.423501] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 19:28:13 g750 kernel: [ 3321.423502] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 19:28:13 g750 kernel: [ 3321.599965] userif-0: sent link down event.
Feb 21 19:28:13 g750 kernel: [ 3321.599969] userif-0: sent link up event.
Feb 21 19:28:17 g750 kernel: [ 3325.027247] wlan0: authenticate with 14:cc:20:d1:76:1c
Feb 21 19:28:17 g750 kernel: [ 3325.028922] wlan0: send auth to 14:cc:20:d1:76:1c (try 1/3)
Feb 21 19:28:17 g750 kernel: [ 3325.031799] wlan0: authenticated
Feb 21 19:28:17 g750 kernel: [ 3325.035592] wlan0: associate with 14:cc:20:d1:76:1c (try 1/3)
Feb 21 19:28:17 g750 kernel: [ 3325.039824] wlan0: RX AssocResp from 14:cc:20:d1:76:1c (capab=0x431 status=0 aid=1)
Feb 21 19:28:17 g750 kernel: [ 3325.042338] wlan0: associated
Feb 21 19:28:17 g750 kernel: [ 3325.251444] userif-0: sent link down event.
Feb 21 19:28:17 g750 kernel: [ 3325.251448] userif-0: sent link up event.
Feb 21 19:28:42 g750 kernel: [ 3350.258062] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:28:43 g750 kernel: [ 3351.282124] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 19:35:27 g750 kernel: [ 3755.539496] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 1 (2472/0 MHz)
Feb 21 19:35:28 g750 kernel: [ 3756.563798] wlan0: AP 14:cc:20:d1:76:1c changed bandwidth, new config is 2472 MHz, width 2 (2462/0 MHz)
Feb 21 20:58:21 g750 kernel: [ 8733.049399] wlan0: deauthenticated from 14:cc:20:d1:76:1c (Reason: 6)
Feb 21 20:58:21 g750 kernel: [ 8733.056237] cfg80211: Calling CRDA to update world regulatory domain
Feb 21 20:58:21 g750 kernel: [ 8733.057664] wlan0: authenticate with 14:cc:20:d1:76:1c
Feb 21 20:58:21 g750 kernel: [ 8733.059274] wlan0: send auth to 14:cc:20:d1:76:1c (try 1/3)
Feb 21 20:58:21 g750 kernel: [ 8733.059736] cfg80211: World regulatory domain updated:
Feb 21 20:58:21 g750 kernel: [ 8733.059740] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Feb 21 20:58:21 g750 kernel: [ 8733.059743] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 20:58:21 g750 kernel: [ 8733.059745] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 20:58:21 g750 kernel: [ 8733.059747] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
Feb 21 20:58:21 g750 kernel: [ 8733.059748] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 20:58:21 g750 kernel: [ 8733.059750] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
Feb 21 20:58:21 g750 kernel: [ 8733.163513] wlan0: send auth to 14:cc:20:d1:76:1c (try 2/3)
Feb 21 20:58:21 g750 kernel: [ 8733.249686] userif-0: sent link down event.
Feb 21 20:58:21 g750 kernel: [ 8733.249690] userif-0: sent link up event.
Feb 21 20:58:21 g750 kernel: [ 8733.267389] wlan0: send auth to 14:cc:20:d1:76:1c (try 3/3)
Feb 21 20:58:21 g750 kernel: [ 8733.370653] wlan0: authentication with 14:cc:20:d1:76:1c timed out
Feb 21 20:58:25 g750 kernel: [ 8737.384619] wlan0: authenticate with 14:cc:20:d1:76:1c
Feb 21 20:58:25 g750 kernel: [ 8737.386927] wlan0: send auth to 14:cc:20:d1:76:1c (try 1/3)
Feb 21 20:58:25 g750 kernel: [ 8737.490854] wlan0: send auth to 14:cc:20:d1:76:1c (try 2/3)
Feb 21 20:58:25 g750 kernel: [ 8737.595157] wlan0: send auth to 14:cc:20:d1:76:1c (try 3/3)
Feb 21 20:58:25 g750 kernel: [ 8737.698202] wlan0: authentication with 14:cc:20:d1:76:1c timed out
Feb 21 20:58:30 g750 kernel: [ 8742.214514] wlan0: authenticate with 14:cc:20:d1:76:1c
Feb 21 20:58:30 g750 kernel: [ 8742.216321] wlan0: send auth to 14:cc:20:d1:76:1c (try 1/3)
Feb 21 20:58:30 g750 kernel: [ 8742.318835] wlan0: send auth to 14:cc:20:d1:76:1c (try 2/3)
Feb 21 20:58:30 g750 kernel: [ 8742.422984] wlan0: send auth to 14:cc:20:d1:76:1c (try 3/3)
Feb 21 20:58:30 g750 kernel: [ 8742.526060] wlan0: authentication with 14:cc:20:d1:76:1c timed out
Feb 21 20:58:37 g750 kernel: [ 8749.058924] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Feb 21 20:58:37 g750 kernel: [ 8749.259486] userif-0: sent link down event.
Feb 21 20:58:37 g750 kernel: [ 8749.259489] userif-0: sent link up event.
Feb 21 20:58:39 g750 kernel: [ 8751.042676] wlan0: authenticate with ac:22:0b:ce:8d:d4
Feb 21 20:58:39 g750 kernel: [ 8751.044523] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 1/3)
Feb 21 20:58:39 g750 kernel: [ 8751.150207] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 2/3)
Feb 21 20:58:39 g750 kernel: [ 8751.254408] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 3/3)
Feb 21 20:58:39 g750 kernel: [ 8751.357135] wlan0: authentication with ac:22:0b:ce:8d:d4 timed out
Feb 21 20:58:56 g750 kernel: [ 8768.390554] wlan0: authenticate with ac:22:0b:ce:8d:d4
Feb 21 20:58:56 g750 kernel: [ 8768.392647] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 1/3)
Feb 21 20:58:56 g750 kernel: [ 8768.496589] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 2/3)
Feb 21 20:58:56 g750 kernel: [ 8768.600445] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 3/3)
Feb 21 20:58:56 g750 kernel: [ 8768.703144] wlan0: authentication with ac:22:0b:ce:8d:d4 timed out
Feb 21 20:59:05 g750 kernel: [ 8777.328257] wlan0: authenticate with ac:22:0b:ce:8d:d4
Feb 21 20:59:05 g750 kernel: [ 8777.330126] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 1/3)
Feb 21 20:59:05 g750 kernel: [ 8777.435536] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 2/3)
Feb 21 20:59:05 g750 kernel: [ 8777.539829] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 3/3)
Feb 21 20:59:05 g750 kernel: [ 8777.642402] wlan0: authentication with ac:22:0b:ce:8d:d4 timed out
Feb 21 20:59:19 g750 kernel: [ 8791.173936] wlan0: authenticate with ac:22:0b:ce:8d:d4
Feb 21 20:59:19 g750 kernel: [ 8791.175771] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 1/3)
Feb 21 20:59:19 g750 kernel: [ 8791.278639] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 2/3)
Feb 21 20:59:19 g750 kernel: [ 8791.382834] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 3/3)
Feb 21 20:59:19 g750 kernel: [ 8791.485562] wlan0: authentication with ac:22:0b:ce:8d:d4 timed out
Feb 21 20:59:32 g750 kernel: [ 8805.011176] wlan0: authenticate with ac:22:0b:ce:8d:d4
Feb 21 20:59:32 g750 kernel: [ 8805.013077] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 1/3)
Feb 21 20:59:33 g750 kernel: [ 8805.118044] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 2/3)
Feb 21 20:59:33 g750 kernel: [ 8805.222126] wlan0: send auth to ac:22:0b:ce:8d:d4 (try 3/3)
Feb 21 20:59:33 g750 kernel: [ 8805.324670] wlan0: authentication with ac:22:0b:ce:8d:d4 timed out

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-firmware 1.127.20
ProcVersionSignature: Ubuntu 3.13.0-77.121-generic 3.13.11-ckt32
Uname: Linux 3.13.0-77-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Sun Feb 21 21:03:24 2016
Dependencies:

InstallationDate: Installed on 2013-08-26 (908 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_CA:en
TERM=xterm
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: linux-firmware
UpgradeStatus: Upgraded to trusty on 2014-11-01 (477 days ago)

Tags:

Revision history for this message

Chorca (chorca) wrote on 2020-09-28:

error.txt Edit (7.4 KiB, text/plain)

Having the same errors here. Downgrading to linux-firmware 1.187 from 1.187.3 fixed the errors for me, appears the issue is in the updates release.

Revision history for this message

Launchpad Janitor (janitor) wrote on 2020-09-28:

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in linux-firmware (Ubuntu):
status:	New → Confirmed

Revision history for this message

Chorca (chorca) wrote on 2020-09-28:

Seems I spoke too soon, tested with Kernels 5.4.0-47 and -48, and with both firmware versions, I get the same iwlwifi errors, the card resets constantly, once or twice per minute and causes loss of connectivity and other odd delays in the system. Not sure if driver or firmware issues. 1.187 seems to be the oldest release and the firmware the card is listing is the same between both 1.187 and 1.187.3

Revision history for this message

Juerg Haefliger (juergh) wrote on 2024-09-09:

I'm closing this bug due to old age. Please open a new bug if you think the issue still exists.

Changed in linux-firmware (Ubuntu):
status:	Confirmed → Expired

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Ubuntulinux-firmware package

iwlwifi kernel module failing wifi connection: Microcode SW error detected

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Ubuntu
linux-firmware package