Open bug in launchpad.net "[ 4497.019702] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000. [ 4497.019714] iwlwifi 0000:01:00.0: CSR values: [ 4497.019719] iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) [ 4497.019729] iwlwifi 0000:01:00.0: CSR_HW_IF_CONFIG_REG: 0X00484b00 [ 4497.019738] iwlwifi 0000:01:00.0: CSR_INT_COALESCING: 0X0000ff40 [ 4497.019746] iwlwifi 0000:01:00.0: CSR_INT: 0X00000000 [ 4497.019754] iwlwifi 0000:01:00.0: CSR_INT_MASK: 0X00000000 [ 4497.019763] iwlwifi 0000:01:00.0: CSR_FH_INT_STATUS: 0X00000000 [ 4497.019771] iwlwifi 0000:01:00.0: CSR_GPIO_IN: 0X0000003c [ 4497.019778] iwlwifi 0000:01:00.0: CSR_RESET: 0X00000000 [ 4497.019787] iwlwifi 0000:01:00.0: CSR_GP_CNTRL: 0X080403c5 [ 4497.019795] iwlwifi 0000:01:00.0: CSR_HW_REV: 0X000000b0 [ 4497.019803] iwlwifi 0000:01:00.0: CSR_EEPROM_REG: 0Xcc140ffd [ 4497.019810] iwlwifi 0000:01:00.0: CSR_EEPROM_GP: 0X90000801 [ 4497.019818] iwlwifi 0000:01:00.0: CSR_OTP_GP_REG: 0X00030001 [ 4497.019827] iwlwifi 0000:01:00.0: CSR_GIO_REG: 0X00080044 [ 4497.019835] iwlwifi 0000:01:00.0: CSR_GP_UCODE_REG: 0X00007027 [ 4497.019842] iwlwifi 0000:01:00.0: CSR_GP_DRIVER_REG: 0X00000000 [ 4497.019850] iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP1: 0X00000000 [ 4497.019858] iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP2: 0X00000000 [ 4497.019866] iwlwifi 0000:01:00.0: CSR_LED_REG: 0X00000040 [ 4497.019874] iwlwifi 0000:01:00.0: CSR_DRAM_INT_TBL_REG: 0X880c2d84 [ 4497.019882] iwlwifi 0000:01:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 [ 4497.019889] iwlwifi 0000:01:00.0: CSR_ANA_PLL_CFG: 0X00000000 [ 4497.019897] iwlwifi 0000:01:00.0: CSR_HW_REV_WA_REG: 0X0001001a [ 4497.019905] iwlwifi 0000:01:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 [ 4497.019910] iwlwifi 0000:01:00.0: FH register values: [ 4497.019929] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X0bba9700 [ 4497.019946] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00bb9290 [ 4497.019964] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000050 [ 4497.019981] iwlwifi 0000:01:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114 [ 4497.019999] iwlwifi 0000:01:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc [ 4497.020030] iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 [ 4497.020048] iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 [ 4497.020066] iwlwifi 0000:01:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 [ 4497.020084] iwlwifi 0000:01:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 [ 4497.020091] iwlwifi 0000:01:00.0: Loaded firmware version: 18.168.6.1 [ 4497.020218] iwlwifi 0000:01:00.0: Start IWL Error Log Dump: [ 4497.020226] iwlwifi 0000:01:00.0: Status: 0x000002CC, count: 6 [ 4497.020235] iwlwifi 0000:01:00.0: 0x0000198A | ADVANCED_SYSASSERT [ 4497.020243] iwlwifi 0000:01:00.0: 0x00015920 | uPc [ 4497.020250] iwlwifi 0000:01:00.0: 0x00015910 | branchlink1 [ 4497.020257] iwlwifi 0000:01:00.0: 0x00015910 | branchlink2 [ 4497.020264] iwlwifi 0000:01:00.0: 0x0000DBEA | interruptlink1 [ 4497.020277] iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2 [ 4497.020281] iwlwifi 0000:01:00.0: 0x00000A0D | data1 [ 4497.020284] iwlwifi 0000:01:00.0: 0x00000008 | data2 [ 4497.020288] iwlwifi 0000:01:00.0: 0x000001DC | line [ 4497.020292] iwlwifi 0000:01:00.0: 0xA00157F5 | beacon time [ 4497.020296] iwlwifi 0000:01:00.0: 0x823E480B | tsf low [ 4497.020299] iwlwifi 0000:01:00.0: 0x00000002 | tsf hi [ 4497.020302] iwlwifi 0000:01:00.0: 0x00000000 | time gp1 [ 4497.020306] iwlwifi 0000:01:00.0: 0x0B64FC55 | time gp2 [ 4497.020309] iwlwifi 0000:01:00.0: 0x00000000 | time gp3 [ 4497.020313] iwlwifi 0000:01:00.0: 0x754312A8 | uCode version [ 4497.020316] iwlwifi 0000:01:00.0: 0x000000B0 | hw version [ 4497.020320] iwlwifi 0000:01:00.0: 0x00484B00 | board version [ 4497.020323] iwlwifi 0000:01:00.0: 0x0000001C | hcmd [ 4497.020327] iwlwifi 0000:01:00.0: 0xAFA63840 | isr0 [ 4497.020331] iwlwifi 0000:01:00.0: 0x1189F800 | isr1 [ 4497.020335] iwlwifi 0000:01:00.0: 0x00000E1F | isr2 [ 4497.020339] iwlwifi 0000:01:00.0: 0x0147FCC2 | isr3 [ 4497.020343] iwlwifi 0000:01:00.0: 0x00000000 | isr4 [ 4497.020347] iwlwifi 0000:01:00.0: 0x10000112 | isr_pref [ 4497.020351] iwlwifi 0000:01:00.0: 0x000260A4 | wait_event [ 4497.020355] iwlwifi 0000:01:00.0: 0x000061F6 | l2p_control [ 4497.020359] iwlwifi 0000:01:00.0: 0x0000A735 | l2p_duration [ 4497.020363] iwlwifi 0000:01:00.0: 0x00000003 | l2p_mhvalid [ 4497.020367] iwlwifi 0000:01:00.0: 0x00101040 | l2p_addr_match [ 4497.020372] iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel [ 4497.020376] iwlwifi 0000:01:00.0: 0x13011136 | timestamp [ 4497.020380] iwlwifi 0000:01:00.0: 0x00005060 | flow_handler [ 4497.020438] iwlwifi 0000:01:00.0: Start IWL Event Log Dump: nothing in log [ 4497.020761] iwlwifi 0000:01:00.0: iwl_trans_wait_tx_queue_empty bad state = 0 [ 4497.020772] ieee80211 phy0: Hardware restart was requested [ 4497.021229] iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S [ 4497.028039] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0"
Same problem. System info: Fedora 20 (3.13.6-200.fc20.x86_64) Centrino Advanced-N 6235 (rev 24) iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000. iwlwifi 0000:01:00.0: CSR values: iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) iwlwifi 0000:01:00.0: CSR_HW_IF_CONFIG_REG: 0X00484b00 iwlwifi 0000:01:00.0: CSR_INT_COALESCING: 0X0000ff40 iwlwifi 0000:01:00.0: CSR_INT: 0X00000000 iwlwifi 0000:01:00.0: CSR_INT_MASK: 0X00000000 iwlwifi 0000:01:00.0: CSR_FH_INT_STATUS: 0X00000000 iwlwifi 0000:01:00.0: CSR_GPIO_IN: 0X0000003c iwlwifi 0000:01:00.0: CSR_RESET: 0X00000000 iwlwifi 0000:01:00.0: CSR_GP_CNTRL: 0X080403c5 iwlwifi 0000:01:00.0: CSR_HW_REV: 0X000000b0 iwlwifi 0000:01:00.0: CSR_EEPROM_REG: 0Xea010ffd iwlwifi 0000:01:00.0: CSR_EEPROM_GP: 0X90000801 iwlwifi 0000:01:00.0: CSR_OTP_GP_REG: 0X00030001 iwlwifi 0000:01:00.0: CSR_GIO_REG: 0X00080042 iwlwifi 0000:01:00.0: CSR_GP_UCODE_REG: 0X0000f9f1 iwlwifi 0000:01:00.0: CSR_GP_DRIVER_REG: 0X00000000 iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP1: 0X00000000 iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP2: 0X00000000 iwlwifi 0000:01:00.0: CSR_LED_REG: 0X00000040 iwlwifi 0000:01:00.0: CSR_DRAM_INT_TBL_REG: 0X88232532 iwlwifi 0000:01:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 iwlwifi 0000:01:00.0: CSR_ANA_PLL_CFG: 0X00000000 iwlwifi 0000:01:00.0: CSR_HW_REV_WA_REG: 0X0001001a iwlwifi 0000:01:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 iwlwifi 0000:01:00.0: FH register values: iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X09be3100 iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X009bd430 iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000070 iwlwifi 0000:01:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114 iwlwifi 0000:01:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 iwlwifi 0000:01:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 iwlwifi 0000:01:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 iwlwifi 0000:01:00.0: Loaded firmware version: 18.168.6.1 iwlwifi 0000:01:00.0: Start IWL Error Log Dump: iwlwifi 0000:01:00.0: Status: 0x000002CC, count: 6 iwlwifi 0000:01:00.0: 0x0000198A | ADVANCED_SYSASSERT iwlwifi 0000:01:00.0: 0x00015920 | uPc iwlwifi 0000:01:00.0: 0x00015910 | branchlink1 iwlwifi 0000:01:00.0: 0x00015910 | branchlink2 iwlwifi 0000:01:00.0: 0x0000DBEA | interruptlink1 iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2 iwlwifi 0000:01:00.0: 0x0000022A | data1 iwlwifi 0000:01:00.0: 0x00000006 | data2 iwlwifi 0000:01:00.0: 0x000001DC | line iwlwifi 0000:01:00.0: 0x98C01F86 | beacon time iwlwifi 0000:01:00.0: 0xF680207A | tsf low iwlwifi 0000:01:00.0: 0x00000007 | tsf hi iwlwifi 0000:01:00.0: 0x00000000 | time gp1 iwlwifi 0000:01:00.0: 0x35F088A0 | time gp2 iwlwifi 0000:01:00.0: 0x00000000 | time gp3 iwlwifi 0000:01:00.0: 0x754312A8 | uCode version iwlwifi 0000:01:00.0: 0x000000B0 | hw version iwlwifi 0000:01:00.0: 0x00484B00 | board version iwlwifi 0000:01:00.0: 0x0000001C | hcmd iwlwifi 0000:01:00.0: 0xAFA63800 | isr0 iwlwifi 0000:01:00.0: 0x11C9F800 | isr1 iwlwifi 0000:01:00.0: 0x00000F1A | isr2 iwlwifi 0000:01:00.0: 0x0547FCC2 | isr3 iwlwifi 0000:01:00.0: 0x00000000 | isr4 iwlwifi 0000:01:00.0: 0x10800112 | isr_pref iwlwifi 0000:01:00.0: 0x000260A4 | wait_event iwlwifi 0000:01:00.0: 0x000077F5 | l2p_control iwlwifi 0000:01:00.0: 0x00005131 | l2p_duration iwlwifi 0000:01:00.0: 0x00000003 | l2p_mhvalid iwlwifi 0000:01:00.0: 0x00000000 | l2p_addr_match iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel iwlwifi 0000:01:00.0: 0x13011136 | timestamp iwlwifi 0000:01:00.0: 0x00007080 | flow_handler iwlwifi 0000:01:00.0: Start IWL Event Log Dump: nothing in log iwlwifi 0000:01:00.0: iwl_trans_wait_tx_queue_empty bad state = 0 ieee80211 phy0: Hardware restart was requested iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0
This is a FW bug and won't be fixed. Since the recovery will kick in, I close the bug
*** Bug 172911 has been marked as a duplicate of this bug. ***