kernel: rcu_bh_state detected stall on CPU # (t=0 jiffies) with linux UEK
Last updated on JANUARY 12, 2015
Applies to:Linux OS - Version Oracle Linux 5.9 with Unbreakable Enterprise Kernel [2.6.39] to Oracle Linux 5.9 with Unbreakable Enterprise Kernel [2.6.39] [Release OL5U9]
Oracle Exadata Storage Server Software - Version 184.108.40.206.0 to 220.127.116.11.0 [Release 11.2]
Information in this document applies to any platform.
Messages file reports the below :
kernel: INFO: rcu_bh_state detected stall on CPU 44 (t=0 jiffies)
kernel: sending NMI to all CPUs:
kernel: NMI backtrace for cpu 2
kernel: CPU 2
* the example shows 44 but it may be any CPU core number #.
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