>-----Original Message----- >From: Gavin Hamill [mailto:[email protected]] >Sent: Tuesday, August 10, 2010 4:06 PM >To: Wyborny, Carolyn >Cc: [email protected] >Subject: RE: [E1000-devel] 5% dropped packets under high load >with e1000e > >On Tue, 2010-08-10 at 15:22 -0700, Wyborny, Carolyn wrote: > >> Hello Gavin, >> >> After some research, it like your x4 slots might not both be >truly x4. >> >> --snip-- >> 0a:00.0 Ethernet controller: Intel Corporation 82571EB >Gigabit Ethernet Controller (rev 06) >> --snip-- >> LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- >SlotClk+ DLActive- BWMgmt- ABWMgmt- >> >> The 0a:00.1 shows the same thing. If you look down further >you'll see >> that the other two are really in x4 slots. > >Oh my :) > >I think that might be it... IRQ1269 + 1270 are on the x1 port, >and these >are providing eth2 + eth3 - the two high-traffic ports! > >http://h18000.www1.hp.com/products/quickspecs/12854_na/12854_na.HTML > > * Two total slots: > * (1) Full length PCI Express x8 slot (x8 connector) > * Can be replaced with a full-length 64-bit /133MHz PCI-X > slot > * (1) Half-length, low-profile PCI Express x1 slot (x8 connector) > >Grrr, identical x8 connectors but different specification - how >misleading! > >eth0 + eth1 are doing minimal traffic by comparison, and they have the >x4 slot... now let's try to swap the switch ports + configs >remotely... > >gdh > > > > > Yep, Alex told me that some manufacturers have been doing this because I guess according to the spec, they can configure them either way and with the connector being the same size, it can be hard to tell.
Let me know how it goes. Thanks, Carolyn ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
