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IDProjectCategoryView StatusLast Update
0016251CentOS-7NetworkManagerpublic2019-07-10 00:06
Reportersobandie 
PriorityhighSeveritymajorReproducibilitysometimes
Status newResolutionopen 
PlatformLinux x86_64OSCentOSOS Version7
Product Version7.6.1810 
Target VersionFixed in Version 
Summary0016251: kernel: bnx2x NIC Link is Down
DescriptionHi All,

We facing issue on my machine (3.10.0-957.12.2) with NIC suddenly down and can not bring up.
Here are log message :

kernel: bnx2x 0000:81:00.0 ens2f0: NIC Link is Down
NetworkManager[5749]: <info> [1562666817.7957] device (ens2f0): enslaved to non-master-type device ovs-system; ignoring

We use this machine as compute node openstack (PIKE) and use openvswitch (openvswitch-2.9.0-3)

Will be appreciate if someone can help us.
Thanks,
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tigalch

tigalch

2019-07-09 19:47

manager   ~0034792

Please update your kernel to the current one (3.10.0-957.21.3).
TrevorH

TrevorH

2019-07-09 19:49

manager   ~0034793

"Link is down" sounds suspiciously like a cable problem.
sobandie

sobandie

2019-07-10 00:03

reporter   ~0034794

Hi Tigalch,
Thanks for your advice, we will try it.

Hi TrevorH
We already changed cable, replace NIC card and SFP connector also, but problem still ocurre.
Link will bring up again if network service restarted.
TrevorH

TrevorH

2019-07-10 00:06

manager   ~0034795

Is this by any chance a Dell machine? If so, check both your system BIOS and the card itself and make sure that the settings in both of them match for SR-IOV. I have had systems with weird problems like this that turned out to be either SR-IOV enabled on the card but not in the system BIOS or vice versa. Which setting you need is up to you but both must agree.

Issue History

Date Modified Username Field Change
2019-07-09 10:15 sobandie New Issue
2019-07-09 19:47 tigalch Note Added: 0034792
2019-07-09 19:49 TrevorH Note Added: 0034793
2019-07-10 00:03 sobandie Note Added: 0034794
2019-07-10 00:06 TrevorH Note Added: 0034795