On 3/30/2025 7:28 AM, Walt Holman wrote: > Hello, > > I have a wcn7850 hw2.0 based m.2 wireless card in my laptop and am > unable to see or connect to 6Ghz networks. I have an ASUS BE30000 wifi > router setup with a separate 6ghz only network, which my phone and > other laptops can connect to. I'm unable to even see this network on > this particular laptop. Months ago (maybe September), I could see it > occasionally, but now it never shows up. I'm using firmware from > git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git > and track the kernels pretty closely. I'm currently running 6.14.0 > built from source. Any suggestions? Some HW info is below: > > 63:00.0 Network controller: Qualcomm Technologies, Inc WCN785x Wi-Fi > 7(802.11be) 320MHz 2x2 [FastConnect 7800 > ] (rev 01) > Subsystem: Quectel Wireless Solutions Co., Ltd. Device 8000 > 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, Cache Line Size: 64 bytes > Interrupt: pin ? routed to IRQ 111 > IOMMU group: 19 > Region 0: Memory at dd800000 (64-bit, non-prefetchable) [size=2M] > Capabilities: [40] 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: [50] MSI: Enable+ Count=16/32 Maskable+ 64bit- > Address: fee00000 Data: 0000 > Masking: ffff8000 Pending: 00000000 > Capabilities: [70] Express (v2) Endpoint, IntMsgNum 0 > DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s > unlimited, L1 unlimited > ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- > SlotPowerLimit 75W TEE-IO- > DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+ > RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ > MaxPayload 128 bytes, MaxReadReq 512 bytes > DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- > AuxPwr+ TransPend- > LnkCap: Port #0, Speed 8GT/s, Width x2, ASPM L0s L1, > Exit Latency L0s <1us, L1 <64us > ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+ > LnkCtl: ASPM L1 Enabled; RCB 64 bytes, LnkDisable- CommClk+ > ExtSynch+ ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 8GT/s, Width x1 (downgraded) > TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- > DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ > NROPrPrP- LTR+ > 10BitTagComp- 10BitTagReq- OBFF Not Supported, > ExtFmt- EETLPPrefix- > EmergencyPowerReduction Not Supported, > EmergencyPowerReductionInit- > FRS- TPHComp+ ExtTPHComp- > AtomicOpsCap: 32bit- 64bit- 128bitCAS- > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- > AtomicOpsCtl: ReqEn- > IDOReq- IDOCompl- LTR+ EmergencyPowerReductionReq- > 10BitTagReq- OBFF Disabled, EETLPPrefixBlk- > LnkCap2: Supported Link Speeds: 2.5-8GT/s, Crosslink- > Retimer- 2Retimers- DRS- > LnkCtl2: Target Link Speed: 8GT/s, EnterCompliance- SpeedDis- > Transmit Margin: Normal Operating Range, > EnterModifiedCompliance- ComplianceSOS- > Compliance Preset/De-emphasis: -6dB > de-emphasis, 0dB preshoot > LnkSta2: Current De-emphasis Level: -3.5dB, > EqualizationComplete+ EqualizationPhase1+ > EqualizationPhase2+ EqualizationPhase3+ > LinkEqualizationRequest- > Retimer- 2Retimers- CrosslinkRes: unsupported > Capabilities: [100 v2] Advanced Error Reporting > UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- > UnxCmplt- RxOF- MalfTLP- > ECRC- UnsupReq- ACSViol- UncorrIntErr- > BlockedTLP- AtomicOpBlocked- TLPBlockedErr- > PoisonTLPBlocked- DMWrReqBlocked- IDECheck- > MisIDETLP- PCRC_CHECK- TLPXlatBlocked- > UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- > UnxCmplt- RxOF- MalfTLP- > ECRC- UnsupReq- ACSViol- UncorrIntErr+ > BlockedTLP- AtomicOpBlocked- TLPBlockedErr- > PoisonTLPBlocked- DMWrReqBlocked- IDECheck- > MisIDETLP- PCRC_CHECK- TLPXlatBlocked- > UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- > UnxCmplt- RxOF+ MalfTLP+ > ECRC- UnsupReq- ACSViol- UncorrIntErr+ > BlockedTLP- AtomicOpBlocked- TLPBlockedErr- > PoisonTLPBlocked- DMWrReqBlocked- IDECheck- > MisIDETLP- PCRC_CHECK- TLPXlatBlocked- > CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- > AdvNonFatalErr- CorrIntErr- HeaderOF- > CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- > AdvNonFatalErr+ CorrIntErr+ HeaderOF+ > AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn- > ECRCChkCap+ ECRCChkEn- > MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap- > HeaderLog: 00000000 00000000 00000000 00000000 > Capabilities: [148 v1] Secondary PCI Express > LnkCtl3: LnkEquIntrruptEn- PerformEqu- > LaneErrStat: 0 > Capabilities: [158 v1] Transaction Processing Hints > No steering table available > Capabilities: [1e4 v1] Latency Tolerance Reporting > Max snoop latency: 1048576ns > Max no snoop latency: 1048576ns > Capabilities: [1ec v1] L1 PM Substates > L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ > ASPM_L1.1+ L1_PM_Substates+ > PortCommonModeRestoreTime=70us PortTPowerOnTime=0us > L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ > T_CommonMode=0us LTR1.2_Threshold=166912ns > L1SubCtl2: T_PwrOn=90us > Kernel driver in use: ath12k_pci > Kernel modules: ath12k > > root@walt-ROG-zephyrus:~# iw reg get > global > country US: DFS-FCC > (902 - 904 @ 2), (N/A, 30), (N/A) > (904 - 920 @ 16), (N/A, 30), (N/A) > (920 - 928 @ 8), (N/A, 30), (N/A) > (2400 - 2472 @ 40), (N/A, 30), (N/A) > (5150 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW > (5250 - 5350 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW > (5470 - 5730 @ 160), (N/A, 24), (0 ms), DFS > (5730 - 5850 @ 80), (N/A, 30), (N/A), AUTO-BW > (5850 - 5895 @ 40), (N/A, 27), (N/A), NO-OUTDOOR, AUTO-BW, PASSIVE-SCAN > (5925 - 7125 @ 320), (N/A, 12), (N/A), NO-OUTDOOR, PASSIVE-SCAN > (57240 - 71000 @ 2160), (N/A, 40), (N/A) > > phy#0 (self-managed) > country na: DFS-UNSET > (2402 - 2472 @ 40), (N/A, 20), (N/A) > (2457 - 2482 @ 20), (N/A, 20), (N/A), PASSIVE-SCAN > (5170 - 5330 @ 160), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN > (5490 - 5730 @ 160), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN > (5735 - 5895 @ 160), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN > (5945 - 7125 @ 320), (N/A, 30), (N/A), AUTO-BW, PASSIVE-SCAN > I added the ath12k list to make sure this has the proper attention. Since you are building from source, can you please test with the following patch: https://msgid.link/20250401020840.357-1-quic_kangyang@xxxxxxxxxxx This is in my pending queue. /jeff
