Hi, the bug is still not fixed in 12.04 Dec 3 16:49:52 rgwork kernel: [25273.396527] iwlwifi 0000:0c:00.0: Microcode SW error detected. Restarting 0x2000000. Dec 3 16:49:52 rgwork kernel: [25273.396540] iwlwifi 0000:0c:00.0: Loaded firmware version: 8.83.5.1 build 33692 Dec 3 16:49:52 rgwork kernel: [25273.396630] iwlwifi 0000:0c:00.0: Start IWL Error Log Dump: Dec 3 16:49:52 rgwork kernel: [25273.396638] iwlwifi 0000:0c:00.0: Status: 0x000412E4, count: 5 Dec 3 16:49:52 rgwork kernel: [25273.396646] iwlwifi 0000:0c:00.0: 0x00000016 | NMI_INTERRUPT_TRM Dec 3 16:49:52 rgwork kernel: [25273.396653] iwlwifi 0000:0c:00.0: 0x000006E4 | uPc Dec 3 16:49:52 rgwork kernel: [25273.396660] iwlwifi 0000:0c:00.0: 0x000005AA | branchlink1 Dec 3 16:49:52 rgwork kernel: [25273.396666] iwlwifi 0000:0c:00.0: 0x00000776 | branchlink2 Dec 3 16:49:52 rgwork kernel: [25273.396673] iwlwifi 0000:0c:00.0: 0x00000916 | interruptlink1 Dec 3 16:49:52 rgwork kernel: [25273.396679] iwlwifi 0000:0c:00.0: 0x0000D616 | interruptlink2 Dec 3 16:49:52 rgwork kernel: [25273.396686] iwlwifi 0000:0c:00.0: 0x00000040 | data1 Dec 3 16:49:52 rgwork kernel: [25273.396692] iwlwifi 0000:0c:00.0: 0x07030000 | data2 Dec 3 16:49:52 rgwork kernel: [25273.396698] iwlwifi 0000:0c:00.0: 0x00000E84 | line Dec 3 16:49:52 rgwork kernel: [25273.396704] iwlwifi 0000:0c:00.0: 0x25001E25 | beacon time Dec 3 16:49:52 rgwork kernel: [25273.396711] iwlwifi 0000:0c:00.0: 0xC24311DB | tsf low Dec 3 16:49:52 rgwork kernel: [25273.396717] iwlwifi 0000:0c:00.0: 0x00000065 | tsf hi Dec 3 16:49:52 rgwork kernel: [25273.396723] iwlwifi 0000:0c:00.0: 0x00000000 | time gp1 Dec 3 16:49:52 rgwork kernel: [25273.396730] iwlwifi 0000:0c:00.0: 0x8B935A64 | time gp2 Dec 3 16:49:52 rgwork kernel: [25273.396736] iwlwifi 0000:0c:00.0: 0x00000000 | time gp3 Dec 3 16:49:52 rgwork kernel: [25273.396742] iwlwifi 0000:0c:00.0: 0x00010853 | uCode version Dec 3 16:49:52 rgwork kernel: [25273.396749] iwlwifi 0000:0c:00.0: 0x00000024 | hw version Dec 3 16:49:52 rgwork kernel: [25273.396755] iwlwifi 0000:0c:00.0: 0x00480302 | board version Dec 3 16:49:52 rgwork kernel: [25273.396762] iwlwifi 0000:0c:00.0: 0x64708E60 | hcmd Dec 3 16:49:52 rgwork kernel: [25273.396767] iwlwifi 0000:0c:00.0: CSR values: Dec 3 16:49:52 rgwork kernel: [25273.396773] iwlwifi 0000:0c:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) Dec 3 16:49:52 rgwork kernel: [25273.396806] iwlwifi 0000:0c:00.0: CSR_HW_IF_CONFIG_REG: 0X00480302 Dec 3 16:49:52 rgwork kernel: [25273.396838] iwlwifi 0000:0c:00.0: CSR_INT_COALESCING: 0X0000ff40 Dec 3 16:49:52 rgwork kernel: [25273.396870] iwlwifi 0000:0c:00.0: CSR_INT: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.396901] iwlwifi 0000:0c:00.0: CSR_INT_MASK: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.396932] iwlwifi 0000:0c:00.0: CSR_FH_INT_STATUS: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.396964] iwlwifi 0000:0c:00.0: CSR_GPIO_IN: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.396995] iwlwifi 0000:0c:00.0: CSR_RESET: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.397026] iwlwifi 0000:0c:00.0: CSR_GP_CNTRL: 0X080403c5 Dec 3 16:49:52 rgwork kernel: [25273.397058] iwlwifi 0000:0c:00.0: CSR_HW_REV: 0X00000024 Dec 3 16:49:52 rgwork kernel: [25273.397089] iwlwifi 0000:0c:00.0: CSR_EEPROM_REG: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.397121] iwlwifi 0000:0c:00.0: CSR_EEPROM_GP: 0X90000004 Dec 3 16:49:52 rgwork kernel: [25273.397152] iwlwifi 0000:0c:00.0: CSR_OTP_GP_REG: 0X00060000 Dec 3 16:49:52 rgwork kernel: [25273.397184] iwlwifi 0000:0c:00.0: CSR_GIO_REG: 0X00080042 Dec 3 16:49:52 rgwork kernel: [25273.397214] iwlwifi 0000:0c:00.0: CSR_GP_UCODE_REG: 0X0000cf18 Dec 3 16:49:52 rgwork kernel: [25273.397246] iwlwifi 0000:0c:00.0: CSR_GP_DRIVER_REG: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.397277] iwlwifi 0000:0c:00.0: CSR_UCODE_DRV_GP1: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.397309] iwlwifi 0000:0c:00.0: CSR_UCODE_DRV_GP2: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.397340] iwlwifi 0000:0c:00.0: CSR_LED_REG: 0X00000078 Dec 3 16:49:52 rgwork kernel: [25273.397372] iwlwifi 0000:0c:00.0: CSR_DRAM_INT_TBL_REG: 0X8802f6c1 Dec 3 16:49:52 rgwork kernel: [25273.397403] iwlwifi 0000:0c:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 Dec 3 16:49:52 rgwork kernel: [25273.397435] iwlwifi 0000:0c:00.0: CSR_ANA_PLL_CFG: 0X00880300 Dec 3 16:49:52 rgwork kernel: [25273.397466] iwlwifi 0000:0c:00.0: CSR_HW_REV_WA_REG: 0X0001001a Dec 3 16:49:52 rgwork kernel: [25273.397497] iwlwifi 0000:0c:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 Dec 3 16:49:52 rgwork kernel: [25273.397504] iwlwifi 0000:0c:00.0: FH register values: Dec 3 16:49:52 rgwork kernel: [25273.397545] iwlwifi 0000:0c:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X02f48f00 Dec 3 16:49:52 rgwork kernel: [25273.397586] iwlwifi 0000:0c:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X002e1f40 Dec 3 16:49:52 rgwork kernel: [25273.397627] iwlwifi 0000:0c:00.0: FH_RSCSR_CHNL0_WPTR: 0X000000e8 Dec 3 16:49:52 rgwork kernel: [25273.397669] iwlwifi 0000:0c:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X00819104 Dec 3 16:49:52 rgwork kernel: [25273.397710] iwlwifi 0000:0c:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc Dec 3 16:49:52 rgwork kernel: [25273.397752] iwlwifi 0000:0c:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 Dec 3 16:49:52 rgwork kernel: [25273.397794] iwlwifi 0000:0c:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.397835] iwlwifi 0000:0c:00.0: FH_TSSR_TX_STATUS_REG: 0X07fd0001 Dec 3 16:49:52 rgwork kernel: [25273.397876] iwlwifi 0000:0c:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 Dec 3 16:49:52 rgwork kernel: [25273.397961] iwlwifi 0000:0c:00.0: Start IWL Event Log Dump: display last 20 entries Dec 3 16:49:52 rgwork kernel: [25273.398008] iwlwifi 0000:0c:00.0: EVT_LOGT:2341685861:0xc1104cf0:0228 Dec 3 16:49:52 rgwork kernel: [25273.398047] iwlwifi 0000:0c:00.0: EVT_LOGT:2341685865:0x8b934a69:1586 Dec 3 16:49:52 rgwork kernel: [25273.398086] iwlwifi 0000:0c:00.0: EVT_LOGT:2341685945:0x8b934ab9:1587 Dec 3 16:49:52 rgwork kernel: [25273.398124] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686010:0x8b934afa:1587 Dec 3 16:49:52 rgwork kernel: [25273.398163] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686076:0x8b934b3b:1587 Dec 3 16:49:52 rgwork kernel: [25273.398201] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686143:0x8b934b7f:1587 Dec 3 16:49:52 rgwork kernel: [25273.398240] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686209:0x8b934bc0:1587 Dec 3 16:49:52 rgwork kernel: [25273.398278] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686274:0x8b934c02:1587 Dec 3 16:49:52 rgwork kernel: [25273.398317] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686281:0x8b934c08:1587 Dec 3 16:49:52 rgwork kernel: [25273.398356] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686288:0x8b934c10:1587 Dec 3 16:49:52 rgwork kernel: [25273.398394] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686306:0x8b934c21:1587 Dec 3 16:49:52 rgwork kernel: [25273.398433] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686337:0x8b934c41:1587 Dec 3 16:49:52 rgwork kernel: [25273.398471] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686363:0x8b934c5b:1587 Dec 3 16:49:52 rgwork kernel: [25273.398510] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686370:0x8b934c62:1587 Dec 3 16:49:52 rgwork kernel: [25273.398548] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686396:0x8b934c7c:1587 Dec 3 16:49:52 rgwork kernel: [25273.398587] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686403:0x8b934c83:1587 Dec 3 16:49:52 rgwork kernel: [25273.398626] iwlwifi 0000:0c:00.0: EVT_LOGT:2341686471:0x8b934cc7:1587 Dec 3 16:49:52 rgwork kernel: [25273.398664] iwlwifi 0000:0c:00.0: EVT_LOGT:2341689873:0x00000201:0259 Dec 3 16:49:52 rgwork kernel: [25273.398703] iwlwifi 0000:0c:00.0: EVT_LOGT:2341689950:0x000000d7:0123 Dec 3 16:49:52 rgwork kernel: [25273.398742] iwlwifi 0000:0c:00.0: EVT_LOGT:2341689961:0x00000000:0125 Dec 3 16:49:52 rgwork kernel: [25273.400122] iwlwifi 0000:0c:00.0: Failing on timeout while stopping DMA channel 1 [0x07fd0001] Dec 3 16:49:52 rgwork kernel: [25273.403770] ieee80211 phy0: Hardware restart was requested Dec 3 16:49:52 rgwork kernel: [25273.403857] iwlwifi 0000:0c:00.0: L1 Enabled; Disabling L0S Dec 3 16:49:52 rgwork kernel: [25273.406938] iwlwifi 0000:0c:00.0: Radio type=0x0-0x2-0x0