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Rock64 radomly hang under high CPU load #268

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hasindu2008 opened this Issue Aug 27, 2018 · 1 comment

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hasindu2008 commented Aug 27, 2018

I am using the Linux build 0.7.9 with the kernel version 4.4.132-1075-rockchip-ayufan-ga83beded8524 on a rock64 board. When the CPU is under high load, the device randomly hangs and reboot after that. The system log contains messages such as the following at the time of hanging
(the full log at the time of hanging is attached at rock64_log.txt).

hrtimer: interrupt took 1458 ns
kernel: [175804.547254] Watchdog detected hard LOCKUP on cpu 3
INFO: rcu_sched self-detected stall on CPU
kernel: [176336.989915] #0113-...: (1 GPs behind) idle=713/1/0 softirq=947867/947868 fqs=0 
kernel: [176336.990663] #011 (t=549756 jiffies g=399195 c=399194 q=22322)
kernel: [176336.991260] rcu_sched kthread starved for 549756 jiffies! g399195 c399194 f0x0 s3 ->state=0x0

The diagnostic log from rock64_diagnostics.sh -L is at
diagnosticlog.txt

If any more information are required please let me know. Looking forward for a way to fix this issue.

Thanks

@fl-chris

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fl-chris commented Sep 6, 2018

Same problem here.

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