关于内核崩溃的问题
A9核心板信息如下：Processor : ARMv7 Processor rev 10 (v7l)
processor : 0
BogoMIPS : 790.52
processor : 1
BogoMIPS : 790.52
processor : 2
BogoMIPS : 790.52
processor : 3
BogoMIPS : 790.52
Features : swp half thumb fastmult vfp edsp neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x2
CPU part : 0xc09
CPU revision : 10
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在TCP通信时，内核有时（概率比较高）会出现发下错误消息：
invalid cookie: data->host_cookie 45408 host->next_data.cookie 45409
invalid cookie: data->host_cookie 49276 host->next_data.cookie 49277
INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 3, t=6002 jiffies)
INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 3, t=24034 jiffies)
INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 1, t=42066 jiffies)
INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 1, t=60098 jiffies)
INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 1, t=78130 jiffies)
INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 1, t=96162 jiffies)
INFO: rcu_preempt_state detected stalls on CPUs/tasks: {} (detected by 1, t=114194 jiffies)
CPU挂了，内核出问题了，各种命令都不生效了，只能掉电关机~
怎么破？？？？？？？？？？？？？？？
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