On 03/18/2015 01:04 PM, Wolfgang Rosner wrote: > root@cruncher:/cluster/etc/scripts/available# lspci -vvs 00:0a > 00:0a.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI > bridge (external gfx1 port A) (prog-if 00 [Normal decode]) > 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 > Bus: primary=00, secondary=05, subordinate=08, sec-latency=0 > I/O behind bridge: 00007000-00008fff > Memory behind bridge: fc500000-fc6fffff > Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort+ <SERR- <PERR- > BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- > PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- > Capabilities: [50] 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: [58] Express (v2) Root Port (Slot+), MSI 00 > DevCap: MaxPayload 128 bytes, PhantFunc 0 > ExtTag+ RBE+ > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- > Unsupported- > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+ > MaxPayload 128 bytes, MaxReadReq 128 bytes > DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- > TransPend- > LnkCap: Port #5, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit > Latency L0s <1us, L1 <8us > ClockPM- Surprise- LLActRep+ BwNot+ > LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ > DLActive+ BWMgmt+ ABWMgmt- > SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- > Surprise- >
I think this is your problem. Specifically the 2.5GT/s with a width of x1 can barely push 1Gb/s. This slot needs to be at least a x4 if you want to push anything more than 1Gb/s. - Alex ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
