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[Nick Gerner <1284397@xxxxxxxxxxxxxxxxxx>]

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.

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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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