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I've got a pair of identical CentOS 6.7 servers, with SuperMicro X8DTE-F motherboards, these have 2 each Intel 82574L ethernet ports. The eth0 ports are plugged in with 10' runs of brand new cat 5e cable to a Cisco Nexxus 9000 switch (provided by the data center). These servers keep coming up at 100baseT rather than gigE. I've swapped ports and cables w...

...had no problems on the same cable+port thats giving these supermicro servers problems. I'd chalk it up to a bad NIC, but two identical servers with two nic's each all have this problem, so its got to be something else, some weirdness with the 82574L as implemented on these SuperMicro X8DTE-F servers running CentOS 6.7 ?!? In our old DC, these servers ran rock solid for several years without any network issues at all, in that rack I had a Netgear JGS524 -- john r pierce, recycling bits in santa cruz

On 10/10/2016 5:33 PM, John R Pierce wrote: > I've got a pair of identical CentOS 6.7 servers, with SuperMicro > X8DTE-F motherboards, these have 2 each Intel 82574L ethernet ports. > The eth0 ports are plugged in with 10' runs of brand new cat 5e cable > to a Cisco Nexxus 9000 switch (provided by the data center). > > These servers keep coming up at 100baseT rather than gigE. I've > swa...

Hi, On Tue, Oct 11, 2016 at 6:03 AM, John R Pierce <pierce at hogranch.com> wrote: > I've got a pair of identical CentOS 6.7 servers, with SuperMicro X8DTE-F > motherboards, these have 2 each Intel 82574L ethernet ports. The eth0 > ports are plugged in with 10' runs of brand new cat 5e cable to a Cisco > Nexxus 9000 switch (provided by the data center). > > These servers keep coming up at 100baseT rather than gigE. I've swappe...

a previously rock solid reliable server of mine crashed last night, the server was still running but eth0, a Intel 82574L using the e1000e driver, went down. The server has a Supermicro X8DTE-F (dual Xeon X5650, yada yada). server is a drbd master, so that was the first thing to notice network issues. Just a couple days ago I ran yum update to the latest, I do this about once a month. /var/log/messages logged... (prior to this was nothing but normal smbd complaining about CUPS...

I have a server thats been running fine for a year or two lock up a few times recently, requiring power cycling. The /var/log/messages after a lockup last night is appended to this message. hardware is a pretty typical server, Supermicro X8DTE-F motherboard, dual Xeon X5650, 48GB ECC memory, LSI SAS 2008 for the boot disks, and LSI MegaRAID SAS 9261-8i for the data volume. Lots of 3TB disks in a raid60. Primary application is BackupPC v3.3.0 (from EPEL), it also has an NFS export (also used for backup purposes). Runs CentOS 6.la...