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LIN5-7701 : B4860QDS board "freeze" with heavy TCP traffic on lo0 + preemptrt on WRL501

Created: Dec 17, 2013    Updated: Dec 19, 2017
Resolved Date: Dec 31, 2013
Found In Version: 5.0.1
Fix Version:
Severity: Severe
Applicable for: Wind River Linux 5
Component/s: BSP


On B4860 (ppc64).
The board freeze running ttcp test case (bot client and server on same target, so we are using lo0), without any call stack !

Steps to Reproduce

WRL501 + latest RCPL
B4860 BSP
+ Split-SoftIRQ-processing patch


   0: add isolcpus=1-7 (if you got 8 cpu)
   1: compile ttcp for your target
   2: Run server on your target : ./ttcp rec 10000 &
   3: Run client : ./ttcp send localhost 10000 200
   Wait a while.

The board will freeze in a few minutes

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