Same here on current natty (as of Apr/30/2011). lspci gives:
03:00.0 Network controller: Intel Corporation WiFi Link 5100
Kernel is 2.6.38-8-generic #42-Ubuntu, the kernel log contains 8 entries like
this one (Networking seems to continue working after those, at least I see no
effect):
[22149.884614] iwlagn 0000:03:00.0: Microcode SW error detected. Restarting
0x2000000.
[22149.884625] iwlagn 0000:03:00.0: Loaded firmware version: 8.83.5.1 build
33692
[22149.884645] iwlagn 0000:03:00.0: Start IWL Error Log Dump:
[22149.884651] iwlagn 0000:03:00.0: Status: 0x000212E4, count: 5
[22149.884811] iwlagn 0000:03:00.0: Desc Time
data1 data2 line
[22149.884821] iwlagn 0000:03:00.0: SYSASSERT (0x0005)
1036141246 0x00808035 0x0000A903 1433
[22149.884828] iwlagn 0000:03:00.0: pc blink1 blink2 ilink1 ilink2 hcmd
[22149.884835] iwlagn 0000:03:00.0: 0x0325C 0x0312A 0x0312A 0x00916 0x00000
0x921004E
[22149.884841] iwlagn 0000:03:00.0: CSR values:
[22149.884846] iwlagn 0000:03:00.0: (2nd byte of CSR_INT_COALESCING is
CSR_INT_PERIODIC_REG)
[22149.884856] iwlagn 0000:03:00.0: CSR_HW_IF_CONFIG_REG: 0X00480303
[22149.884865] iwlagn 0000:03:00.0: CSR_INT_COALESCING: 0X0000ff40
[22149.884874] iwlagn 0000:03:00.0: CSR_INT: 0X00000000
[22149.884883] iwlagn 0000:03:00.0: CSR_INT_MASK: 0X00000000
[22149.884891] iwlagn 0000:03:00.0: CSR_FH_INT_STATUS: 0X00000000
[22149.884900] iwlagn 0000:03:00.0: CSR_GPIO_IN: 0X00000000
[22149.884909] iwlagn 0000:03:00.0: CSR_RESET: 0X00000000
[22149.884927] iwlagn 0000:03:00.0: CSR_GP_CNTRL: 0X080403c5
[22149.884936] iwlagn 0000:03:00.0: CSR_HW_REV: 0X00000054
[22149.884945] iwlagn 0000:03:00.0: CSR_EEPROM_REG: 0X00000000
[22149.884953] iwlagn 0000:03:00.0: CSR_EEPROM_GP: 0X90000004
[22149.884962] iwlagn 0000:03:00.0: CSR_OTP_GP_REG: 0X00060000
[22149.884971] iwlagn 0000:03:00.0: CSR_GIO_REG: 0X00080044
[22149.884980] iwlagn 0000:03:00.0: CSR_GP_UCODE_REG: 0X000095f7
[22149.884989] iwlagn 0000:03:00.0: CSR_GP_DRIVER_REG: 0X00000000
[22149.884997] iwlagn 0000:03:00.0: CSR_UCODE_DRV_GP1: 0X00000000
[22149.885006] iwlagn 0000:03:00.0: CSR_UCODE_DRV_GP2: 0X00000000
[22149.885015] iwlagn 0000:03:00.0: CSR_LED_REG: 0X00000058
[22149.885024] iwlagn 0000:03:00.0: CSR_DRAM_INT_TBL_REG: 0X88120c46
[22149.885032] iwlagn 0000:03:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200
[22149.885041] iwlagn 0000:03:00.0: CSR_ANA_PLL_CFG: 0X00880300
[22149.885050] iwlagn 0000:03:00.0: CSR_HW_REV_WA_REG: 0X0001001a
[22149.885058] iwlagn 0000:03:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000
[22149.885064] iwlagn 0000:03:00.0: FH register values:
[22149.885082] iwlagn 0000:03:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG:
0X11ff8000
[22149.885101] iwlagn 0000:03:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG:
0X01221bf0
[22149.885120] iwlagn 0000:03:00.0: FH_RSCSR_CHNL0_WPTR:
0X000000f8
[22149.885140] iwlagn 0000:03:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG:
0X80819104
[22149.885159] iwlagn 0000:03:00.0: FH_MEM_RSSR_SHARED_CTRL_REG:
0X000000fc
[22149.885178] iwlagn 0000:03:00.0: FH_MEM_RSSR_RX_STATUS_REG:
0X07030000
[22149.885198] iwlagn 0000:03:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV:
0X00000000
[22149.885218] iwlagn 0000:03:00.0: FH_TSSR_TX_STATUS_REG:
0X07ff0001
[22149.885239] iwlagn 0000:03:00.0: FH_TSSR_TX_ERROR_REG:
0X00000000
[22149.885305] iwlagn 0000:03:00.0: Start IWL Event Log Dump: display last 20
entries
[22149.885331] iwlagn 0000:03:00.0: EVT_LOGT:0386758832:0x000000d4:0322
[22149.885348] iwlagn 0000:03:00.0: EVT_LOGT:0386759014:0x0a66001c:0206
[22149.885363] iwlagn 0000:03:00.0: EVT_LOGT:0386759016:0x00000001:0204
[22149.885379] iwlagn 0000:03:00.0: EVT_LOGT:0386759018:0x01101100:0205
[22149.885396] iwlagn 0000:03:00.0: EVT_LOGT:0386759052:0x00000020:0208
[22149.885412] iwlagn 0000:03:00.0: EVT_LOGT:0386759071:0x00000000:0302
[22149.885427] iwlagn 0000:03:00.0: EVT_LOGT:0386759105:0x000000c4:0303
[22149.885443] iwlagn 0000:03:00.0: EVT_LOGT:0386759111:0x00000001:0203
[22149.885459] iwlagn 0000:03:00.0: EVT_LOGT:0386759115:0x0a66001c:0206
[22149.885475] iwlagn 0000:03:00.0: EVT_LOGT:0386759115:0x00000040:0204
[22149.885492] iwlagn 0000:03:00.0: EVT_LOGT:0386759119:0x2a1037e9:0227
[22149.885508] iwlagn 0000:03:00.0: EVT_LOGT:0386759119:0xc0300150:0228
[22149.885524] iwlagn 0000:03:00.0: EVT_LOGT:0386759123:0x170d79d3:1586
[22149.885539] iwlagn 0000:03:00.0: EVT_LOGT:0386759129:0x170d79d9:1587
[22149.885556] iwlagn 0000:03:00.0: EVT_LOGT:0386759132:0x170d79dc:1587
[22149.885572] iwlagn 0000:03:00.0: EVT_LOGT:0386759161:0x00000000:0264
[22149.885588] iwlagn 0000:03:00.0: EVT_LOGT:0386759271:0x00000000:0302
[22149.885603] iwlagn 0000:03:00.0: EVT_LOGT:0386759303:0x00000094:0303
[22149.885618] iwlagn 0000:03:00.0: EVT_LOGT:0386759420:0x0921004e:0401
[22149.885634] iwlagn 0000:03:00.0: EVT_LOGT:0386759434:0x00000000:0125
[22149.920075] iwlagn 0000:03:00.0: Stopping AGG while state not ON or starting
[22149.920086] iwlagn 0000:03:00.0: queue number out of range: 0, must be 10 to
19
[22589.550112] iwlagn 0000:03:00.0: iwlagn_tx_agg_start on ra =
bc:05:43:91:0a:df tid = 0
[23014.781609] iwlagn 0000:03:00.0: Aggregation not enabled for tid 6 because
load = 0
[24265.741081] iwlagn 0000:03:00.0: Aggregation not enabled for tid 6 because
load = 0
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https://bugs.launchpad.net/bugs/684762
Title:
natty: 2.6.37-7.19 iwlagn firmware 228.61.2.24 "Microcode SW error
detected. Restarting 0x82000000."
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