> On Aug 8, 2016, at 5:33 AM, Ian Collins <[email protected]> wrote: > > On 08/ 8/16 05:29 AM, Robert Mustacchi wrote: >> On 8/6/16 13:21 , Ian Collins wrote: >>> On 7/08/16 2:46 am, Robert Mustacchi wrote: >>> >>>> Hmm, okay. So what is the output of dladm show-linkprop on that device? >>>> Also, can you grab the prtconf -d /dev/ixgbe<num> output for it? >>> ixgbe0 adv_10gfdx_cap r- 1 1 1,0 >>> ixgbe0 en_10gfdx_cap rw 1 1 1,0 >> Okay, so importantly we think we're advertising 10g. I have a feeling >> that this part may have a similar bug as the X550 did in the driver. >> Here's a way to test this. Run these two commands, waiting a second or >> two inbetween and then check the new advertised speed: >> >> dladm set-linkprop -p en_10gfdx_cap=0 ixgbe0 >> >> dladm set-linkprop -p en_10gfdx_cap=1 ixgbe0 >> >> I don't quite have a system in front of me, so not entirely sure that's >> the right command. I'd expect each of those to cause the link to >> reconfigure and hopefully we'll see a 10g speed after the second one. > > Indeed it does - I could see the indicators on the switch go green. > > # dladm show-linkprop -p speed ixgbe0 > LINK PROPERTY PERM VALUE DEFAULT POSSIBLE > ixgbe0 speed r- 10000 10000 --
Quite odd... I wonder what's different about these integrated X540s versus the PCIe card X540s I used to test with. The prtconf will be useful, but I have a feeling that we need to open up the initial link config in the driver and not make it X550-specific. I'm wondering, what happens if you nail the switch ports to 10Gb? /dale
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