Bug#763172: iwlwifi: Microcode SW error
Hi,
> the wireless driver occasionally complains about microcode errors. This happens
> around twice a week. It didn't happen at all with the 3.14 kernel. My laptop
> runs an Intel Wireless 7260 card.
I'm having exactly the same problem on my Dell Latitude E7240 at every
boot. I can only use the card after rmmod iwlmvm iwlwifi && modprobe
iwlwifi .
[ 4.054929] iwlwifi 0000:02:00.0: Microcode SW error detected. Restarting 0x2000000.
[ 4.054941] iwlwifi 0000:02:00.0: CSR values:
[ 4.054941] iwlwifi 0000:02:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
[ 4.054945] iwlwifi 0000:02:00.0: CSR_HW_IF_CONFIG_REG: 0X00489204
[ 4.054948] iwlwifi 0000:02:00.0: CSR_INT_COALESCING: 0X80000040
[ 4.054951] iwlwifi 0000:02:00.0: CSR_INT: 0X00000000
[ 4.054954] iwlwifi 0000:02:00.0: CSR_INT_MASK: 0X00000000
[ 4.054956] iwlwifi 0000:02:00.0: CSR_FH_INT_STATUS: 0X00000000
[ 4.054959] iwlwifi 0000:02:00.0: CSR_GPIO_IN: 0X00000000
[ 4.054962] iwlwifi 0000:02:00.0: CSR_RESET: 0X00000000
[ 4.054965] iwlwifi 0000:02:00.0: CSR_GP_CNTRL: 0X000403c5
[ 4.054968] iwlwifi 0000:02:00.0: CSR_HW_REV: 0X00000144
[ 4.054971] iwlwifi 0000:02:00.0: CSR_EEPROM_REG: 0X00000000
[ 4.054974] iwlwifi 0000:02:00.0: CSR_EEPROM_GP: 0X80000000
[ 4.054977] iwlwifi 0000:02:00.0: CSR_OTP_GP_REG: 0X803a0000
[ 4.054979] iwlwifi 0000:02:00.0: CSR_GIO_REG: 0X00080044
[ 4.054982] iwlwifi 0000:02:00.0: CSR_GP_UCODE_REG: 0X00000000
[ 4.054985] iwlwifi 0000:02:00.0: CSR_GP_DRIVER_REG: 0X00000000
[ 4.054988] iwlwifi 0000:02:00.0: CSR_UCODE_DRV_GP1: 0X00000000
[ 4.054991] iwlwifi 0000:02:00.0: CSR_UCODE_DRV_GP2: 0X00000000
[ 4.054994] iwlwifi 0000:02:00.0: CSR_LED_REG: 0X00000018
[ 4.054997] iwlwifi 0000:02:00.0: CSR_DRAM_INT_TBL_REG: 0X8821360f
[ 4.054999] iwlwifi 0000:02:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200
[ 4.055002] iwlwifi 0000:02:00.0: CSR_ANA_PLL_CFG: 0Xd55555d5
[ 4.055005] iwlwifi 0000:02:00.0: CSR_MONITOR_STATUS_REG: 0X2bb7fff7
[ 4.055008] iwlwifi 0000:02:00.0: CSR_HW_REV_WA_REG: 0X0001001a
[ 4.055011] iwlwifi 0000:02:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000
[ 4.055011] iwlwifi 0000:02:00.0: FH register values:
[ 4.055022] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X2141f500
[ 4.055033] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X02141940
[ 4.055043] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000010
[ 4.055054] iwlwifi 0000:02:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X00801114
[ 4.055065] iwlwifi 0000:02:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
[ 4.055075] iwlwifi 0000:02:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X03030000
[ 4.055086] iwlwifi 0000:02:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
[ 4.055096] iwlwifi 0000:02:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001
[ 4.055107] iwlwifi 0000:02:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000
[ 4.055208] iwlwifi 0000:02:00.0: Start IWL Error Log Dump:
[ 4.055209] iwlwifi 0000:02:00.0: Status: 0x00000001, count: 6
[ 4.055210] iwlwifi 0000:02:00.0: Loaded firmware version: 23.214.9.0
[ 4.055211] iwlwifi 0000:02:00.0: 0x00000034 | NMI_INTERRUPT_WDG
[ 4.055211] iwlwifi 0000:02:00.0: 0x000002F0 | uPc
[ 4.055212] iwlwifi 0000:02:00.0: 0x00000000 | branchlink1
[ 4.055213] iwlwifi 0000:02:00.0: 0x000009A6 | branchlink2
[ 4.055213] iwlwifi 0000:02:00.0: 0x0000C7B0 | interruptlink1
[ 4.055214] iwlwifi 0000:02:00.0: 0x000089A2 | interruptlink2
[ 4.055214] iwlwifi 0000:02:00.0: 0x00000000 | data1
[ 4.055215] iwlwifi 0000:02:00.0: 0x00000002 | data2
[ 4.055215] iwlwifi 0000:02:00.0: 0x07030000 | data3
[ 4.055216] iwlwifi 0000:02:00.0: 0x003AD360 | beacon time
[ 4.055217] iwlwifi 0000:02:00.0: 0x00052C9F | tsf low
[ 4.055217] iwlwifi 0000:02:00.0: 0x00000000 | tsf hi
[ 4.055218] iwlwifi 0000:02:00.0: 0x00000000 | time gp1
[ 4.055218] iwlwifi 0000:02:00.0: 0x00052CA0 | time gp2
[ 4.055219] iwlwifi 0000:02:00.0: 0x00000000 | time gp3
[ 4.055219] iwlwifi 0000:02:00.0: 0x000417D6 | uCode version
[ 4.055220] iwlwifi 0000:02:00.0: 0x00000144 | hw version
[ 4.055221] iwlwifi 0000:02:00.0: 0x00489204 | board version
[ 4.055221] iwlwifi 0000:02:00.0: 0x0912006A | hcmd
[ 4.055222] iwlwifi 0000:02:00.0: 0x00022080 | isr0
[ 4.055222] iwlwifi 0000:02:00.0: 0x00000000 | isr1
[ 4.055223] iwlwifi 0000:02:00.0: 0x00000002 | isr2
[ 4.055223] iwlwifi 0000:02:00.0: 0x404000C0 | isr3
[ 4.055224] iwlwifi 0000:02:00.0: 0x00000080 | isr4
[ 4.055225] iwlwifi 0000:02:00.0: 0x01800112 | isr_pref
[ 4.055225] iwlwifi 0000:02:00.0: 0x00000000 | wait_event
[ 4.055226] iwlwifi 0000:02:00.0: 0x00003B71 | l2p_control
[ 4.055226] iwlwifi 0000:02:00.0: 0x00000000 | l2p_duration
[ 4.055227] iwlwifi 0000:02:00.0: 0x00000000 | l2p_mhvalid
[ 4.055227] iwlwifi 0000:02:00.0: 0x00000000 | l2p_addr_match
[ 4.055228] iwlwifi 0000:02:00.0: 0x00000007 | lmpm_pmg_sel
[ 4.055228] iwlwifi 0000:02:00.0: 0x18051651 | timestamp
[ 4.055229] iwlwifi 0000:02:00.0: 0x00601020 | flow_handler
[ 4.055641] iwlwifi 0000:02:00.0: Failed to run INIT ucode: -5
02:00.0 Network controller: Intel Corporation Wireless 7260 (rev 73)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260
Flags: bus master, fast devsel, latency 0, IRQ 63
Memory at f7d00000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [40] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number ac-7b-a1-ff-ff-2d-89-d5
Capabilities: [14c] Latency Tolerance Reporting
Capabilities: [154] Vendor Specific Information: ID=cafe Rev=1 Len=014 <?>
Kernel driver in use: iwlwifi
Bernhard
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