[Nouveau] Erros and warning using kernel 4.10-rc2

[Karol Herbst]

could you grab the vbios from /sys/kernel/debug/dri/1/vbios.rom and
maybe also do a mmiotrace with the nvidia driver (using bumblebee or
second X server by hand or so)?

thanks

2017-01-08 19:22 GMT+01:00 Marcos Paulo de Souza <marcos.souza.org at gmail.com>:
> Hi guys,
>
> I don't know if it is useful to just post some random kernel warnings/errors, but here they are:
>
> [marcos at xfiles ~]$ journalctl -b -p 3 | grep nouveau
> Jan 08 15:37:05 xfiles kernel: nouveau 0000:04:00.0: volt: couldn't find speedo value, volting not possible
> Jan 08 15:37:05 xfiles kernel: nouveau 0000:04:00.0: bus: MMIO write of ffff981f FAULT at 6013d4 [ IBUS ]
> Jan 08 15:37:05 xfiles kernel: nouveau 0000:04:00.0: DRM: Pointer to TMDS table invalid
> Jan 08 15:37:05 xfiles kernel: nouveau 0000:04:00.0: DRM: Pointer to flat panel table invalid
>
> In this first case, this message comes from nvkm/subdev/volt/gf100.c, and I haven't seen this message in 4.8 for example (using fedora 25 kernel at least)
>
> The second one already appears on 4.8 as well, and I think it appears in function gf100_bus_intr of nvkm/subdev/bus/gf100.c
>
> And other two ones are already appearing in in my laptop for quite some time also, and they came from nouveau_bios.c.
>
> This is my nvidia board:
> 04:00.0 3D controller: NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M / GT 620M/625M/630M/720M] (rev a1)
>         Subsystem: ASUSTeK Computer Inc. GeForce GT 720M
>         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 43
>         Region 0: Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
>         Region 1: Memory at e0000000 (64-bit, prefetchable) [size=256M]
>         Region 3: Memory at f0000000 (64-bit, prefetchable) [size=32M]
>         Region 5: I/O ports at d000 [size=128]
>         Expansion ROM at f7000000 [disabled] [size=512K]
>         Capabilities: [60] 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: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
>                 Address: 00000000fee0f00c  Data: 41d1
>         Capabilities: [78] Express (v2) Endpoint, MSI 00
>                 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 <64us
>                         ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- SlotPowerLimit 25.000W
>                 DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
>                         RlxdOrd- ExtTag+ PhantFunc- AuxPwr- NoSnoop+
>                         MaxPayload 128 bytes, MaxReadReq 512 bytes
>                 DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
>                 LnkCap: Port #0, Speed 2.5GT/s, Width x8, ASPM L0s L1, Exit Latency L0s <512ns, L1 <4us
>                         ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+
>                 LnkCtl: ASPM L0s Enabled; RCB 64 bytes Disabled- CommClk+
>                         ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
>                 LnkSta: Speed 2.5GT/s, Width x4, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
>                 DevCap2: Completion Timeout: Range AB, TimeoutDis+, LTR-, OBFF Not Supported
>                 DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled
>                 LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
>                          Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
>                          Compliance De-emphasis: -6dB
>                 LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1-
>                          EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
>         Capabilities: [b4] Vendor Specific Information: Len=14 <?>
>         Kernel driver in use: nouveau
>         Kernel modules: nouveau
>
> Please, let me know if this information is useful and/or you need more tests or different config to solve these ones.
>
> Thanks!
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