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[Bug 1405842] Re: Microcode SW error detected.

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>
Date: Mon, 05 Jan 2015 21:33:12 -0000
Reply-to: Bug 1405842 <1405842@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Did this issue start happening after an update/upgrade? Was there a
kernel version where you were not having this particular problem? This
will help determine if the problem you are seeing is the result of a
regression, and when this regression was introduced.   If this is a
regression, we can perform a kernel bisect to identify the commit that
introduced the problem.

** Changed in: linux-firmware (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux-firmware (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1405842

Title:
  Microcode SW error detected.

Status in linux-firmware package in Ubuntu:
  Incomplete

Bug description:
  I just saw this error in the kernel log:

  [171056.176336] iwlwifi 0000:02:00.0: Microcode SW error detected.  Restarting 0x2000000.
  [171056.176341] iwlwifi 0000:02:00.0: CSR values:                                                                                    
  [171056.176343] iwlwifi 0000:02:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)                                       
  [171056.176359] iwlwifi 0000:02:00.0:        CSR_HW_IF_CONFIG_REG: 0X40489204                                                        
  [171056.176373] iwlwifi 0000:02:00.0:          CSR_INT_COALESCING: 0X80000040
  [171056.176387] iwlwifi 0000:02:00.0:                     CSR_INT: 0X00000000
  [171056.176401] iwlwifi 0000:02:00.0:                CSR_INT_MASK: 0X00000000
  [171056.176414] iwlwifi 0000:02:00.0:           CSR_FH_INT_STATUS: 0X00000000
  [171056.176428] iwlwifi 0000:02:00.0:                 CSR_GPIO_IN: 0X00000000
  [171056.176442] iwlwifi 0000:02:00.0:                   CSR_RESET: 0X00000000
  [171056.176456] iwlwifi 0000:02:00.0:                CSR_GP_CNTRL: 0X080403c5
  [171056.176470] iwlwifi 0000:02:00.0:                  CSR_HW_REV: 0X00000144
  [171056.176484] iwlwifi 0000:02:00.0:              CSR_EEPROM_REG: 0X00000000
  [171056.176498] iwlwifi 0000:02:00.0:               CSR_EEPROM_GP: 0X80000000
  [171056.176512] iwlwifi 0000:02:00.0:              CSR_OTP_GP_REG: 0X803a0000
  [171056.176526] iwlwifi 0000:02:00.0:                 CSR_GIO_REG: 0X00080042
  [171056.176540] iwlwifi 0000:02:00.0:            CSR_GP_UCODE_REG: 0X00000000
  [171056.176554] iwlwifi 0000:02:00.0:           CSR_GP_DRIVER_REG: 0X00000000
  [171056.176568] iwlwifi 0000:02:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
  [171056.176582] iwlwifi 0000:02:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
  [171056.176596] iwlwifi 0000:02:00.0:                 CSR_LED_REG: 0X00000060
  [171056.176610] iwlwifi 0000:02:00.0:        CSR_DRAM_INT_TBL_REG: 0X8821dad1
  [171056.176624] iwlwifi 0000:02:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
  [171056.176638] iwlwifi 0000:02:00.0:             CSR_ANA_PLL_CFG: 0Xd55555d5
  [171056.176652] iwlwifi 0000:02:00.0:      CSR_MONITOR_STATUS_REG: 0X3c08019d
  [171056.176666] iwlwifi 0000:02:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
  [171056.176680] iwlwifi 0000:02:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0010
  [171056.176682] iwlwifi 0000:02:00.0: FH register values:
  [171056.176707] iwlwifi 0000:02:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X0c483900
  [171056.176723] iwlwifi 0000:02:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00c48380
  [171056.176739] iwlwifi 0000:02:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X00000050
  [171056.176755] iwlwifi 0000:02:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X00801114
  [171056.176771] iwlwifi 0000:02:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
  [171056.176786] iwlwifi 0000:02:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X02030000
  [171056.176802] iwlwifi 0000:02:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
  [171056.176817] iwlwifi 0000:02:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
  [171056.176833] iwlwifi 0000:02:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
  [171056.176975] iwlwifi 0000:02:00.0: Start IWL Error Log Dump:
  [171056.176977] iwlwifi 0000:02:00.0: Status: 0x00000000, count: 6
  [171056.176978] iwlwifi 0000:02:00.0: Loaded firmware version: 25.228.9.0
  [171056.176980] iwlwifi 0000:02:00.0: 0x00000034 | NMI_INTERRUPT_WDG           
  [171056.176982] iwlwifi 0000:02:00.0: 0x000000E3 | uPc
  [171056.176984] iwlwifi 0000:02:00.0: 0x00000000 | branchlink1
  [171056.176985] iwlwifi 0000:02:00.0: 0x00000BA4 | branchlink2
  [171056.176987] iwlwifi 0000:02:00.0: 0x0001626C | interruptlink1
  [171056.176988] iwlwifi 0000:02:00.0: 0x00029676 | interruptlink2
  [171056.176990] iwlwifi 0000:02:00.0: 0x00000000 | data1
  [171056.176991] iwlwifi 0000:02:00.0: 0x00000002 | data2
  [171056.176992] iwlwifi 0000:02:00.0: 0x02039842 | data3
  [171056.176994] iwlwifi 0000:02:00.0: 0xDE803F2A | beacon time
  [171056.176996] iwlwifi 0000:02:00.0: 0x8DBC10F8 | tsf low
  [171056.176997] iwlwifi 0000:02:00.0: 0x00000001 | tsf hi
  [171056.176998] iwlwifi 0000:02:00.0: 0x00000000 | time gp1
  [171056.177000] iwlwifi 0000:02:00.0: 0x0BE49F4E | time gp2
  [171056.177001] iwlwifi 0000:02:00.0: 0x00000000 | time gp3
  [171056.177003] iwlwifi 0000:02:00.0: 0x000419E4 | uCode version
  [171056.177004] iwlwifi 0000:02:00.0: 0x00000144 | hw version
  [171056.177006] iwlwifi 0000:02:00.0: 0x40489204 | board version
  [171056.177007] iwlwifi 0000:02:00.0: 0x1041001C | hcmd
  [171056.177009] iwlwifi 0000:02:00.0: 0x26F63002 | isr0
  [171056.177010] iwlwifi 0000:02:00.0: 0x11806000 | isr1
  [171056.177012] iwlwifi 0000:02:00.0: 0x0000001A | isr2
  [171056.177013] iwlwifi 0000:02:00.0: 0x40417CC2 | isr3
  [171056.177015] iwlwifi 0000:02:00.0: 0x00000000 | isr4
  [171056.177016] iwlwifi 0000:02:00.0: 0x10804112 | isr_pref
  [171056.177018] iwlwifi 0000:02:00.0: 0x00000000 | wait_event
  [171056.177020] iwlwifi 0000:02:00.0: 0x00004288 | l2p_control
  [171056.177021] iwlwifi 0000:02:00.0: 0x00009C22 | l2p_duration
  [171056.177023] iwlwifi 0000:02:00.0: 0x000003BF | l2p_mhvalid
  [171056.177024] iwlwifi 0000:02:00.0: 0x000000EF | l2p_addr_match
  [171056.177026] iwlwifi 0000:02:00.0: 0x00000017 | lmpm_pmg_sel
  [171056.177027] iwlwifi 0000:02:00.0: 0x20111734 | timestamp
  [171056.177029] iwlwifi 0000:02:00.0: 0x19605058 | flow_handler
  [171056.177032] ieee80211 phy0: Hardware restart was requested
  [171056.297652] iwlwifi 0000:02:00.0: L1 Enabled - LTR Disabled
  [171056.298033] iwlwifi 0000:02:00.0: L1 Enabled - LTR Disabled

  This is with this kernel version:

  ii  linux-image-3.18.0-031800-generic
  3.18.0-031800.201412071935                   amd64        Linux kernel
  image for version 3.18.0 on 64 bit x86 SMP

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-firmware 1.138.1
  Uname: Linux 3.18.0-031800-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Dec 26 20:39:07 2014
  Dependencies:
   
  EcryptfsInUse: Yes
  PackageArchitecture: all
  SourcePackage: linux-firmware
  UpgradeStatus: No upgrade log present (probably fresh install)

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References

[Bug 1405842] [NEW] Microcode SW error detected.
From: Laurent Bonnaud, 2014-12-26