I see the same error message "Microcode SW error detected. Restarting 0x2000000."
I see a few of these Microcode bugs floating around, so I'm not sure if they're dupes. Here's my lspci which differs slightly from the OP (Advanced-N 6205 vs Advanced-N 6235) $ lspci 00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04) 00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04) 00:16.3 Serial controller: Intel Corporation 7 Series/C210 Series Chipset Family KT Controller (rev 04) 00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4) 00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4) 00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation QS77 Express Chipset LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04) 02:00.0 System peripheral: Ricoh Co Ltd MMC/SD Host Controller (rev 07) 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 96) Note, this error seems to affect me more on some wifi networks than it does others, but that might be my imagination. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1284397 Title: iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000. Status in The Linux Kernel: Unknown Status in “linux” package in Ubuntu: Triaged Bug description: [ 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 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-11-generic 3.13.0-11.31 ProcVersionSignature: Ubuntu 3.13.0-11.31-generic 3.13.3 Uname: Linux 3.13.0-11-generic x86_64 ApportVersion: 2.13.2-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: caravena 2152 F.... pulseaudio CRDA: country CL: (2402 - 2482 @ 40), (N/A, 20) (5170 - 5250 @ 40), (N/A, 20) (5250 - 5330 @ 40), (N/A, 20), DFS (5735 - 5835 @ 40), (N/A, 20) CurrentDesktop: GNOME Date: Mon Feb 24 22:34:33 2014 HibernationDevice: RESUME=UUID=360bd2d2-4f44-4311-86d6-4781ac81ee87 InstallationDate: Installed on 2014-01-23 (32 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140122) MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-11-generic root=UUID=0c67119c-ddae-476a-b510-142ec598f691 ro rootflags=subvol=@ quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-11-generic N/A linux-backports-modules-3.13.0-11-generic N/A linux-firmware 1.125 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/15/2013 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: P14AAJ dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: SAMSUNG_NP1234567890 dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.name: 530U3C/530U4C dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. 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