Re: Possible regression with the FW643 chipset

Hi,

On Fri, Jun 20, 2025 at 08:52:42AM +0930, Jonathan Woithe wrote:
> Alternatively, are there any FW643 users who have no problem with device
> detection under a 6.12.x (or later) kernel?  If so this would conclusively
> rule out a kernel issue.

I can not regenerate the issue with the kernel modules provided by the
stock kernel in Ubuntu 25.04 amd64 (v6.14). The machine consists of

* ASUSTeK COMPUTER INC. TUF GAMING X570-PLUS
* AMD Ryzen™ 7 5700G with Radeon™ Graphics × 16


```
$ dpkg -S /lib/modules/6.14.0-15-generic/kernel/drivers/firewire/*
linux-modules-extra-6.14.0-15-generic: /lib/modules/6.14.0-15-generic/kernel/drivers/firewire/firewire-core.ko.zst
linux-modules-extra-6.14.0-15-generic: /lib/modules/6.14.0-15-generic/kernel/drivers/firewire/firewire-net.ko.zst
linux-modules-extra-6.14.0-15-generic: /lib/modules/6.14.0-15-generic/kernel/drivers/firewire/firewire-ohci.ko.zst
linux-modules-extra-6.14.0-15-generic: /lib/modules/6.14.0-15-generic/kernel/drivers/firewire/firewire-sbp2.ko.zst
linux-modules-extra-6.14.0-15-generic: /lib/modules/6.14.0-15-generic/kernel/drivers/firewire/nosy.ko.zst

$ sudo lspci -vvnn
06:00.0 FireWire (IEEE 1394) [0c00]: LSI Corporation FW643 [TrueFire] PCIe 1394b Controller [11c1:5901] (rev 06) (prog-if 10 [OHCI])
        Subsystem: LSI Corporation FW643 [TrueFire] PCIe 1394b Controller [11c1:5900]
        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 A routed to IRQ 40
        IOMMU group: 20
        Region 0: Memory at fc600000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: [44] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME+
        Capabilities: [4c] MSI: Enable- Count=1/1 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [60] Express (v1) Endpoint, IntMsgNum 0
                DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us, L1 <64us
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- SlotPowerLimit 0W 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 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <512ns, L1 <64us
                        ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp-
                LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1
                        TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
        Capabilities: [100 v1] 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: [140 v1] Virtual Channel
                Caps:   LPEVC=0 RefClk=100ns PATEntryBits=1
                Arb:    Fixed- WRR32- WRR64- WRR128-
                Ctrl:   ArbSelect=Fixed
                Status: InProgress-
                VC0:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
                        Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
                        Ctrl:   Enable+ ID=0 ArbSelect=Fixed TC/VC=01
                        Status: NegoPending- InProgress-
                VC1:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
                        Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
                        Ctrl:   Enable- ID=1 ArbSelect=Fixed TC/VC=00
                        Status: NegoPending- InProgress-
        Capabilities: [170 v1] Device Serial Number 12-34-56-10-12-30-00-86
        Kernel driver in use: firewire_ohci
        Kernel modules: firewire_ohci

```

My Phonic FireFly 808 Universal is detected successfully even after the
reported steps.


Thanks

Takashi Sakamoto


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