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I have a new notebook computer, Latitude 7440 (0C0B), and I've managed to get everything working (with some headaches involving the builtin webcam). However, I keep getting the following error on bootup:
iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 6
iwlwifi 0000:00:14.3: Loaded firmware version: 83.e8f84e98.0 so-a0-gf-a0-83.ucode
iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
iwlwifi 0000:00:14.3: 0x000002F0 | trm_hw_status0
iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
iwlwifi 0000:00:14.3: 0x004DB338 | branchlink2
iwlwifi 0000:00:14.3: 0x004D119A | interruptlink1
iwlwifi 0000:00:14.3: 0x004D119A | interruptlink2
iwlwifi 0000:00:14.3: 0x000157E2 | data1
iwlwifi 0000:00:14.3: 0x00000010 | data2
iwlwifi 0000:00:14.3: 0x00000000 | data3
iwlwifi 0000:00:14.3: 0x002864C0 | beacon time
iwlwifi 0000:00:14.3: 0x0019293A | tsf low
iwlwifi 0000:00:14.3: 0x00000000 | tsf hi
iwlwifi 0000:00:14.3: 0x00000000 | time gp1
iwlwifi 0000:00:14.3: 0x001A6D11 | time gp2
iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
iwlwifi 0000:00:14.3: 0x00000053 | uCode version major
iwlwifi 0000:00:14.3: 0xE8F84E98 | uCode version minor
iwlwifi 0000:00:14.3: 0x00000370 | hw version
iwlwifi 0000:00:14.3: 0x00480002 | board version
iwlwifi 0000:00:14.3: 0x80DFFC04 | hcmd
iwlwifi 0000:00:14.3: 0x00020000 | isr0
iwlwifi 0000:00:14.3: 0x00000000 | isr1
iwlwifi 0000:00:14.3: 0x48F00002 | isr2
iwlwifi 0000:00:14.3: 0x00C3000C | isr3
iwlwifi 0000:00:14.3: 0x00000000 | isr4
iwlwifi 0000:00:14.3: 0x001F0103 | last cmd Id
iwlwifi 0000:00:14.3: 0x000157E2 | wait_event
iwlwifi 0000:00:14.3: 0x0000D442 | l2p_control
iwlwifi 0000:00:14.3: 0x00000020 | l2p_duration
iwlwifi 0000:00:14.3: 0x00000003 | l2p_mhvalid
iwlwifi 0000:00:14.3: 0x00000000 | l2p_addr_match
iwlwifi 0000:00:14.3: 0x00000009 | lmpm_pmg_sel
iwlwifi 0000:00:14.3: 0x00000000 | timestamp
iwlwifi 0000:00:14.3: 0x00003054 | flow_handler
iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 7
iwlwifi 0000:00:14.3: 0x2010190E | ADVANCED_SYSASSERT
iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
iwlwifi 0000:00:14.3: 0x80471ABC | umac branchlink2
iwlwifi 0000:00:14.3: 0xC0081500 | umac interruptlink1
iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink2
iwlwifi 0000:00:14.3: 0x0102171C | umac data1
iwlwifi 0000:00:14.3: 0xDEADBEEF | umac data2
iwlwifi 0000:00:14.3: 0xDEADBEEF | umac data3
iwlwifi 0000:00:14.3: 0x00000053 | umac major
iwlwifi 0000:00:14.3: 0xE8F84E98 | umac minor
iwlwifi 0000:00:14.3: 0x001A6D0B | frame pointer
iwlwifi 0000:00:14.3: 0xC0886BE0 | stack pointer
iwlwifi 0000:00:14.3: 0x0027010D | last host cmd
iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
iwlwifi 0000:00:14.3: IML/ROM dump:
iwlwifi 0000:00:14.3: 0x00000B03 | IML/ROM error/state
iwlwifi 0000:00:14.3: 0x0000812D | IML/ROM data1
iwlwifi 0000:00:14.3: 0x00000090 | IML/ROM WFPM_AUTH_KEY_0
iwlwifi 0000:00:14.3: Fseq Registers:
iwlwifi 0000:00:14.3: 0x60000000 | FSEQ_ERROR_CODE
iwlwifi 0000:00:14.3: 0x003E0003 | FSEQ_TOP_INIT_VERSION
iwlwifi 0000:00:14.3: 0x00190003 | FSEQ_CNVIO_INIT_VERSION
iwlwifi 0000:00:14.3: 0x0000A652 | FSEQ_OTP_VERSION
iwlwifi 0000:00:14.3: 0x00000003 | FSEQ_TOP_CONTENT_VERSION
iwlwifi 0000:00:14.3: 0x4552414E | FSEQ_ALIVE_TOKEN
iwlwifi 0000:00:14.3: 0x00080400 | FSEQ_CNVI_ID
iwlwifi 0000:00:14.3: 0x00401410 | FSEQ_CNVR_ID
iwlwifi 0000:00:14.3: 0x00080400 | CNVI_AUX_MISC_CHIP
iwlwifi 0000:00:14.3: 0x00401410 | CNVR_AUX_MISC_CHIP
iwlwifi 0000:00:14.3: 0x00009061 | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
iwlwifi 0000:00:14.3: 0x00000061 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
iwlwifi 0000:00:14.3: 0x00190003 | FSEQ_PREV_CNVIO_INIT_VERSION
iwlwifi 0000:00:14.3: 0x003E0003 | FSEQ_WIFI_FSEQ_VERSION
iwlwifi 0000:00:14.3: 0x003E0003 | FSEQ_BT_FSEQ_VERSION
iwlwifi 0000:00:14.3: 0x000001CC | FSEQ_CLASS_TP_VERSION
iwlwifi 0000:00:14.3: UMAC CURRENT PC: 0x80493890
iwlwifi 0000:00:14.3: LMAC1 CURRENT PC: 0xd0
From what I can tell, the wifi works, so I'm not sure exactly how bad this is. But does anyone have any leads on what the issue might be here.
Kernel version: 6.6.8-arch1-1 (tainted from v4l2loopback).
linux-firmware 20231211.f2e52a1c-1
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The details on the inbuilt wireless network device is:
0000:00:14.3 0280: 8086:51f1 (rev 01)
Subsystem: 8086:4090
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
IOMMU group: 13
Region 0: Memory at 60562a4000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [c8] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Capabilities: [40] Express (v2) Root Complex Integrated Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE- FLReset+
DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr+ NoSnoop+ FLReset-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend-
DevCap2: Completion Timeout: Range B, TimeoutDis+ NROPrPrP- LTR+
10BitTagComp- 10BitTagReq- OBFF Via WAKE#, ExtFmt- EETLPPrefix-
EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit-
FRS-
AtomicOpsCap: 32bit- 64bit- 128bitCAS-
DevCtl2: Completion Timeout: 16ms to 55ms, TimeoutDis- LTR+ 10BitTagReq- OBFF Disabled,
AtomicOpsCtl: ReqEn-
Capabilities: [80] MSI-X: Enable+ Count=16 Masked-
Vector table: BAR=0 offset=00002000
PBA: BAR=0 offset=00003000
Capabilities: [100 v1] Latency Tolerance Reporting
Max snoop latency: 0ns
Max no snoop latency: 0ns
Capabilities: [164 v1] Vendor Specific Information: ID=0010 Rev=0 Len=014 <?>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
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And looking through the logs more, there are a number of repeated errors that look like:
iwlwifi 0000:00:14.3: WRT: Invalid buffer destination
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