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CPU up timeout. SMP not working randomly(Processor 2 is stuck) in linux

Question asked by Karunakaran Radhakrishnan on Jan 31, 2017

In U-Boot, "CPU up timeout . CPU up mask is 1 should be f" printed randomly,  If CPU up timeout in U-Boot, after that kernel throw the below error.

 

Processor 2 is stuck.
smp_85xx_kick_cpu: Can not start CPU #3. Start CPU #2 first.
smp: failed starting cpu 3 (rc -2)
Processor 4 is stuck.
smp_85xx_kick_cpu: Can not start CPU #5. Start CPU #4 first.
smp: failed starting cpu 5 (rc -2)
Processor 6 is stuck.
smp_85xx_kick_cpu: Can not start CPU #7. Start CPU #6 first.
smp: failed starting cpu 7 (rc -2).


This CPU up timeout  error occurred randomly at any time.

 

Kindly suggest us to resolve this issue.

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