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UEKr4: Queuing Discipline Stops Traffic on a Network Interface (Doc ID 2274368.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle VM - Version 3.4.2 and later
Linux OS - Version Oracle Linux 6.7 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

Queuing Discipline Stops Traffic on a network interface and can only be resumed when rebooting or migrating the VM to another server ( on Oracle VM ) or restarting the network stack ( service network restart ).

Oracle VM: When this happens the backlog for the vifX.Y ( X is the domU ID for the VM, Y is the interface number ) is 0 bytes ( backlog 0b in the example below ) but packages is higher than 0 ( 32p in the example below )

 

Changes

 

Cause

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