ath12k: No 6GHz Wireless found
Jeff Johnson
jeff.johnson at oss.qualcomm.com
Tue Apr 1 11:53:19 PDT 2025
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 at 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@quicinc.com
This is in my pending queue.
/jeff
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