On 2012-07-16 09:05, Matteo Tiraferri wrote: > --------- Original Message -------- > Da: Jan Kiszka <jan.kis...@web.de> > To: > Cc: rtnet-users@lists.sourceforge.net > Oggetto: Re: [RTnet-users] RT_E1000 > Data: 14/07/12 09:17 > > > >> On 2012-07-12 09:14, Matteo Tiraferri wrote: >>> Dear all, >>> i've some trouble with my rtnet application with xenomai. Seems i lose > or >>> i've a delay sending packet my application. >>> When install the rtnet driver i recive this warnig: >>> >>> "RTNET Failed to initialize MSI interrupts. Falling back to legacy >>> interrupts" >> >> You were trying the e1000e from git, right? How is >> /proc/xenomai/interrupts changing when that driver is in use? >> >>> using the drive rt_e1000_new i don't recive any warning but some time i >>> cannot send packet at all. >>> >>> So my question is possible to force the irq number or not?Can somone > explain >>> the reson of those warnig and if it could create some latency error? >>> >>> What are the difference betwen rt_e1000 and rt_e1000_new? >> >> Both are addressing older e1000 adapters. The e1000_new was once started >> to refresh the set of supported devices of the e1000. But it was never >> properly finished. >> >> Meanwhile, modern cards are covered by the e1000e, that why I recently >> ported it to RTnet. This driver is the primary choice for your hardware >> *if* that is handled by it. If you see interrupt problems, let's debug > them. >> >> When running the device under normal linux, what does >> >> lspci -vvk -d VENDOR:DEVICE >> >> report? >> >> Jan > > Hi Jan, > thank's for your answer. I'm using rtnet 0.9.12 the latest downloadable > from rtnet.org. I must use rtnet taken from GIT?
You should, 0.9.12 is pretty outdated. > > Below the output of the command lspci: > > 04:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet > Controller lspci -nn to include the PCI ID of the adapter. > Subsystem: Intel Corporation Device 0000 > 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- TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 17 > Region 0: Memory at febe0000 (32-bit, non-prefetchable) [size=128K] > Region 2: I/O ports at ec00 [size=32] > Capabilities: [c8] Power Management version 2 > Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA > PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME- > Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+ > Address: 0000000000000000 Data: 0000 > Capabilities: [e0] Express (v1) Endpoint, MSI 00 > DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s > <512ns, L1 <64us > ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- > 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 x1, ASPM unknown, > Latency L0 <128ns, L1 <64us > ClockPM+ Surprise- LLActRep- BwNot- > LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- > CommClk+ > ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ > DLActive- BWMgmt- ABWMgmt- > Kernel driver in use: rt_e1000_new Please dump while the Linux driver is loaded. Jan
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