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Frequent appearances of iwlagn errors to logs. Not sure if it affects ures experience. Version-Release number of selected component (if applicable): 2.6.35.10-74.fc14.x86_64 #1 SMP Thu Dec 23 16:04:50 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux 03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection /etc/modprobe.d/wireless.conf contains: options iwlagn disable_hw_scan=1 11n_disable=1 options iwl3945 disable_hw_scan=1 Smolt profile: http://www.smolts.org/client/show/pub_763c7014-7669-4415-bb05-ea8873eb3aba Dmesg output: iwlagn 0000:03:00.0: Microcode SW error detected. Restarting 0x2000000. [ 290.173251] iwlagn 0000:03:00.0: Start IWL Error Log Dump: [ 290.173257] iwlagn 0000:03:00.0: Status: 0x000212E4, count: 5 [ 290.173422] iwlagn 0000:03:00.0: Desc Time data1 data2 line [ 290.173432] iwlagn 0000:03:00.0: SYSASSERT (#05) 1664320323 0x0000008C 0x00000024 140 [ 290.173438] iwlagn 0000:03:00.0: pc blink1 blink2 ilink1 ilink2 hcmd [ 290.173446] iwlagn 0000:03:00.0: 0x1F650 0x1F790 0x1F790 0x008B2 0x00000 0x41C0010 [ 290.173454] iwlagn 0000:03:00.0: CSR values: [ 290.173460] iwlagn 0000:03:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) [ 290.173473] iwlagn 0000:03:00.0: CSR_HW_IF_CONFIG_REG: 0X00480303 [ 290.173484] iwlagn 0000:03:00.0: CSR_INT_COALESCING: 0X0000ff40 [ 290.173496] iwlagn 0000:03:00.0: CSR_INT: 0X00000000 [ 290.173507] iwlagn 0000:03:00.0: CSR_INT_MASK: 0X00000000 [ 290.173518] iwlagn 0000:03:00.0: CSR_FH_INT_STATUS: 0X00000000 [ 290.173529] iwlagn 0000:03:00.0: CSR_GPIO_IN: 0X00000000 [ 290.173541] iwlagn 0000:03:00.0: CSR_RESET: 0X00000000 [ 290.173552] iwlagn 0000:03:00.0: CSR_GP_CNTRL: 0X080403c5 [ 290.173563] iwlagn 0000:03:00.0: CSR_HW_REV: 0X00000054 [ 290.173574] iwlagn 0000:03:00.0: CSR_EEPROM_REG: 0X00000000 [ 290.173585] iwlagn 0000:03:00.0: CSR_EEPROM_GP: 0X90000004 [ 290.173596] iwlagn 0000:03:00.0: CSR_OTP_GP_REG: 0X00060000 [ 290.173607] iwlagn 0000:03:00.0: CSR_GIO_REG: 0X00080046 [ 290.173618] iwlagn 0000:03:00.0: CSR_GP_UCODE_REG: 0X000036fe [ 290.173629] iwlagn 0000:03:00.0: CSR_GP_DRIVER_REG: 0X00000000 [ 290.173641] iwlagn 0000:03:00.0: CSR_UCODE_DRV_GP1: 0X00000000 [ 290.173652] iwlagn 0000:03:00.0: CSR_UCODE_DRV_GP2: 0X00000000 [ 290.173663] iwlagn 0000:03:00.0: CSR_LED_REG: 0X00000058 [ 290.173674] iwlagn 0000:03:00.0: CSR_DRAM_INT_TBL_REG: 0X881366d8 [ 290.173685] iwlagn 0000:03:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 [ 290.173696] iwlagn 0000:03:00.0: CSR_ANA_PLL_CFG: 0X00880300 [ 290.173708] iwlagn 0000:03:00.0: CSR_HW_REV_WA_REG: 0X0001001a [ 290.173719] iwlagn 0000:03:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 [ 290.173727] iwlagn 0000:03:00.0: FH register values: [ 290.173748] iwlagn 0000:03:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X13599600 [ 290.173768] iwlagn 0000:03:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X01340130 [ 290.173787] iwlagn 0000:03:00.0: FH_RSCSR_CHNL0_WPTR: 0X000000e0 [ 290.173806] iwlagn 0000:03:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80819104 [ 290.173826] iwlagn 0000:03:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc [ 290.173846] iwlagn 0000:03:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 [ 290.173865] iwlagn 0000:03:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 [ 290.173884] iwlagn 0000:03:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 [ 290.173903] iwlagn 0000:03:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 [ 290.173966] iwlagn 0000:03:00.0: Start IWL Event Log Dump: display last 20 entries [ 290.173991] iwlagn 0000:03:00.0: EVT_LOGT:0039413356:0x00000018:0484 [ 290.174007] iwlagn 0000:03:00.0: EVT_LOGT:0039413361:0x00000019:0484 [ 290.174024] iwlagn 0000:03:00.0: EVT_LOGT:0039413366:0x0000018d:1108 [ 290.174040] iwlagn 0000:03:00.0: EVT_LOGT:0039413366:0x00000024:1108 [ 290.174056] iwlagn 0000:03:00.0: EVT_LOGT:0039413366:0x00000001:1108 [ 290.174072] iwlagn 0000:03:00.0: EVT_LOGT:0039413367:0x00000033:1108 [ 290.174088] iwlagn 0000:03:00.0: EVT_LOGT:0039413372:0x00020024:0464 [ 290.174104] iwlagn 0000:03:00.0: EVT_LOGT:0039413373:0x00000024:0462 [ 290.174120] iwlagn 0000:03:00.0: EVT_LOGT:0039414290:0x000001cf:0601 [ 290.174137] iwlagn 0000:03:00.0: EVT_LOGT:0039414291:0x00000181:0638 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039414294:0x000000c3:0601 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039414302:0x00000183:0631 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475348:0x441b0072:0401 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475354:0x00000008:0600 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475359:0x00000000:0475 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475360:0x0000000b:0451 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475362:0x0000000b:0451 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475431:0x041c0010:0401 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475433:0x00000024:0451 [ 290.174141] iwlagn 0000:03:00.0: EVT_LOGT:0039475440:0x00000000:0125 [ 290.674110] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms. [ 290.674121] iwlagn 0000:03:00.0: Error setting new RXON (-110)
You may want to remove those options from /etc/modprobe.d/wireless.conf (or just remove the file). disable_hw_scan=1 in particular has caused problems with that driver and it's firmware (even though it has also solved other problems in the past). Can you replicate the options if you remove those options and reload the driver (or simply reboot)?
disable_hw_scan=1 can cause damage, but 11n_disable=1 and swcrypto=1 usually helps and have healthy effect as far as I can tell.
After 24 hours of operation since removing the wireless.conf, I haven't observed any microcode errors. I checked the source of wireless.conf and it appeared to be installed by one of my employers packages. I will let them know this file will cause problems with current fedora and that it should be removed from the package. Sorry for the inconvience, closing the report as "worksforme".