Comment 55 for bug 1222440

Open bug in launchpad.net:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1222440

01:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6235 [8086:088e] (rev 24)
 Subsystem: Intel Corporation Centrino Advanced-N 6235 AGN [8086:4060]
 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 0, Cache Line Size: 64 bytes
 Interrupt: pin A routed to IRQ 44
 Region 0: Memory at f0500000 (64-bit, non-prefetchable) [size=8K]
 Capabilities: <access denied>
 Kernel driver in use: iwlwifi

[ 231.692719] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000.
[ 231.692732] iwlwifi 0000:01:00.0: CSR values:
[ 231.692738] iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
[ 231.692747] iwlwifi 0000:01:00.0: CSR_HW_IF_CONFIG_REG: 0X00484b00
[ 231.692756] iwlwifi 0000:01:00.0: CSR_INT_COALESCING: 0X0000ff40
[ 231.692764] iwlwifi 0000:01:00.0: CSR_INT: 0X00000000
[ 231.692773] iwlwifi 0000:01:00.0: CSR_INT_MASK: 0X00000000
[ 231.692781] iwlwifi 0000:01:00.0: CSR_FH_INT_STATUS: 0X00000000
[ 231.692789] iwlwifi 0000:01:00.0: CSR_GPIO_IN: 0X00000038
[ 231.692797] iwlwifi 0000:01:00.0: CSR_RESET: 0X00000000
[ 231.692806] iwlwifi 0000:01:00.0: CSR_GP_CNTRL: 0X080403c5
[ 231.692814] iwlwifi 0000:01:00.0: CSR_HW_REV: 0X000000b0
[ 231.692822] iwlwifi 0000:01:00.0: CSR_EEPROM_REG: 0Xc4540ffd
[ 231.692830] iwlwifi 0000:01:00.0: CSR_EEPROM_GP: 0X90000801
[ 231.692838] iwlwifi 0000:01:00.0: CSR_OTP_GP_REG: 0X00030001
[ 231.692845] iwlwifi 0000:01:00.0: CSR_GIO_REG: 0X00080044
[ 231.692854] iwlwifi 0000:01:00.0: CSR_GP_UCODE_REG: 0X0000d0ed
[ 231.692862] iwlwifi 0000:01:00.0: CSR_GP_DRIVER_REG: 0X00000000
[ 231.692870] iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP1: 0X00000000
[ 231.692877] iwlwifi 0000:01:00.0: CSR_UCODE_DRV_GP2: 0X00000000
[ 231.692885] iwlwifi 0000:01:00.0: CSR_LED_REG: 0X00000040
[ 231.692893] iwlwifi 0000:01:00.0: CSR_DRAM_INT_TBL_REG: 0X881187ae
[ 231.692901] iwlwifi 0000:01:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200
[ 231.692909] iwlwifi 0000:01:00.0: CSR_ANA_PLL_CFG: 0X00000000
[ 231.692917] iwlwifi 0000:01:00.0: CSR_HW_REV_WA_REG: 0X0001001a
[ 231.692925] iwlwifi 0000:01:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000
[ 231.692930] iwlwifi 0000:01:00.0: FH register values:
[ 231.692948] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X116b8500
[ 231.692966] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X01158430
[ 231.692983] iwlwifi 0000:01:00.0: FH_RSCSR_CHNL0_WPTR: 0X000000f0
[ 231.693000] iwlwifi 0000:01:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114
[ 231.693018] iwlwifi 0000:01:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
[ 231.693035] iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
[ 231.693053] iwlwifi 0000:01:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
[ 231.693070] iwlwifi 0000:01:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001
[ 231.693088] iwlwifi 0000:01:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000
[ 231.693099] iwlwifi 0000:01:00.0: Loaded firmware version: 18.168.6.1
[ 231.693109] iwlwifi 0000:01:00.0: FW error in SYNC CMD REPLY_TX_LINK_QUALITY_CMD
[ 231.693126] CPU: 0 PID: 158 Comm: kworker/u16:7 Tainted: GF O 3.11.0-5-generic #11-Ubuntu
[ 231.693130] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C/SAMSUNG_NP1234567890, BIOS P14AAJ 04/15/2013
[ 231.693163] Workqueue: iwlwifi iwl_bg_scan_completed [iwldvm]
[ 231.693172] 00000000000001f4 ffff880115307af0 ffffffff816f23a1 ffff880116c00000
[ 231.693181] ffff880115307b58 ffffffffa02cf1ef 0000000000000000 0000000000000000
[ 231.693189] ffff88011530aee0 ffffffff810854e0 ffff880115307b20 ffff880115307b20
[ 231.693197] Call Trace:
[ 231.693210] [<ffffffff816f23a1>] dump_stack+0x45/0x56
[ 231.693234] [<ffffffffa02cf1ef>] iwl_trans_pcie_send_hcmd+0x53f/0x5d0 [iwlwifi]
[ 231.693237] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
[ 231.693244] iwlwifi 0000:01:00.0: Status: 0x0000004C, count: 6
[ 231.693250] iwlwifi 0000:01:00.0: 0x00002075 | ADVANCED_SYSASSERT
[ 231.693255] iwlwifi 0000:01:00.0: 0x00009BF4 | uPc
[ 231.693261] iwlwifi 0000:01:00.0: 0x00009BCE | branchlink1
[ 231.693266] iwlwifi 0000:01:00.0: 0x00009BCE | branchlink2
[ 231.693271] iwlwifi 0000:01:00.0: 0x0000DBEA | interruptlink1
[ 231.693276] iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2
[ 231.693281] iwlwifi 0000:01:00.0: 0x00000001 | data1
[ 231.693286] iwlwifi 0000:01:00.0: 0x00000000 | data2
[ 231.693291] iwlwifi 0000:01:00.0: 0x00000608 | line
[ 231.693297] iwlwifi 0000:01:00.0: 0x00018EA9 | beacon time
[ 231.693302] iwlwifi 0000:01:00.0: 0x00000157 | tsf low
[ 231.693307] iwlwifi 0000:01:00.0: 0x00000000 | tsf hi
[ 231.693312] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
[ 231.693317] iwlwifi 0000:01:00.0: 0x0D641503 | time gp2
[ 231.693322] iwlwifi 0000:01:00.0: 0x00000000 | time gp3
[ 231.693327] iwlwifi 0000:01:00.0: 0x754312A8 | uCode version
[ 231.693332] iwlwifi 0000:01:00.0: 0x000000B0 | hw version
[ 231.693338] iwlwifi 0000:01:00.0: 0x00484B00 | board version
[ 231.693343] iwlwifi 0000:01:00.0: 0x09DE004E | hcmd
[ 231.693348] iwlwifi 0000:01:00.0: 0x27863880 | isr0
[ 231.693353] iwlwifi 0000:01:00.0: 0x11C87800 | isr1
[ 231.693358] iwlwifi 0000:01:00.0: 0x00000F02 | isr2
[ 231.693363] iwlwifi 0000:01:00.0: 0x0142DC43 | isr3
[ 231.693368] iwlwifi 0000:01:00.0: 0x00000000 | isr4
[ 231.693373] iwlwifi 0000:01:00.0: 0x01000002 | isr_pref
[ 231.693378] iwlwifi 0000:01:00.0: 0x000260A4 | wait_event
[ 231.693384] iwlwifi 0000:01:00.0: 0x00000080 | l2p_control
[ 231.693389] iwlwifi 0000:01:00.0: 0x00000000 | l2p_duration
[ 231.693394] iwlwifi 0000:01:00.0: 0x0000003F | l2p_mhvalid
[ 231.693399] iwlwifi 0000:01:00.0: 0x00214784 | l2p_addr_match
[ 231.693404] iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel
[ 231.693409] iwlwifi 0000:01:00.0: 0x13011136 | timestamp
[ 231.693415] iwlwifi 0000:01:00.0: 0x0000F000 | flow_handler
[ 231.693428] [<ffffffff810854e0>] ? wake_up_atomic_t+0x30/0x30
[ 231.693449] [<ffffffffa04b9cc2>] iwl_dvm_send_cmd+0x52/0x130 [iwldvm]
[ 231.693467] [<ffffffffa04bf2d1>] iwl_send_lq_cmd+0xb1/0x1f0 [iwldvm]
[ 231.693475] iwlwifi 0000:01:00.0: Start IWL Event Log Dump: nothing in log
[ 231.693493] [<ffffffffa04bf6ce>] iwl_restore_stations+0x2be/0x3a0 [iwldvm]
[ 231.693516] [<ffffffffa04c6261>] iwlagn_commit_rxon+0x821/0xe10 [iwldvm]
[ 231.693533] [<ffffffffa04c277b>] ? iwl_power_set_mode+0x3b/0x300 [iwldvm]
[ 231.693569] [<ffffffffa0417b25>] ? ieee80211_queue_delayed_work+0x45/0x50 [mac80211]
[ 231.693585] [<ffffffffa04c7266>] iwlagn_post_scan+0x96/0xb0 [iwldvm]
[ 231.693601] [<ffffffffa04c4554>] iwl_process_scan_complete+0x124/0x1b0 [iwldvm]
[ 231.693616] [<ffffffffa04c4858>] iwl_bg_scan_completed+0x28/0x40 [iwldvm]
[ 231.693624] [<ffffffff8107cfbc>] process_one_work+0x17c/0x430
[ 231.693631] [<ffffffff8107dc0c>] worker_thread+0x11c/0x3c0
[ 231.693639] [<ffffffff8107daf0>] ? manage_workers.isra.24+0x2a0/0x2a0
[ 231.693647] [<ffffffff81084710>] kthread+0xc0/0xd0
[ 231.693656] [<ffffffff81084650>] ? kthread_create_on_node+0x120/0x120
[ 231.693666] [<ffffffff817021ac>] ret_from_fork+0x7c/0xb0
[ 231.693674] [<ffffffff81084650>] ? kthread_create_on_node+0x120/0x120
[ 231.693683] iwlwifi 0000:01:00.0: Command REPLY_ADD_STA failed: FW Error
[ 231.693690] iwlwifi 0000:01:00.0: Adding station ff:ff:ff:ff:ff:ff failed.
[ 231.693995] ieee80211 phy0: Hardware restart was requested
[ 231.694046] iwlwifi 0000:01:00.0: Request scan called when driver not ready.
[ 231.694169] iwlwifi 0000:01:00.0: L1 Disabled; Enabling L0S
[ 231.694189] wlan0: send auth to cc:b2:55:ce:c0:ad (try 3/3)
[ 231.700887] iwlwifi 0000:01:00.0: Radio type=0x2-0x1-0x0