Re: [PATCH] powerpc: Fix a bug in __div64_32 if divisor is zero

2020-08-22 Thread Guohua Zhong
>> When cat /proc/pid/stat, do_task_stat will call into cputime_adjust, >> which call stack is like this: >> >> [17179954.674326]BookE Watchdog detected hard LOCKUP on cpu 0 >> [17179954.674331]dCPU: 0 PID: 1262 Comm: TICK Tainted: PW O >> 4.4.176 #1 >> [17179954.674339]dtask: dc9d704

Re: [PATCH] powerpc: Fix a bug in __div64_32 if divisor is zero

2020-08-22 Thread Guohua Zhong
>> When cat /proc/pid/stat, do_task_stat will call into cputime_adjust, >> which call stack is like this: >> >> [17179954.674326]BookE Watchdog detected hard LOCKUP on cpu 0 >> [17179954.674331]dCPU: 0 PID: 1262 Comm: TICK Tainted: PW O >> 4.4.176 #1 >> [17179954.674339]dtask: dc9d704

Re: [PATCH] powerpc: Fix a bug in __div64_32 if divisor is zero

2020-08-20 Thread Christophe Leroy
Le 20/08/2020 à 15:10, Guohua Zhong a écrit : When cat /proc/pid/stat, do_task_stat will call into cputime_adjust, which call stack is like this: [17179954.674326]BookE Watchdog detected hard LOCKUP on cpu 0 [17179954.674331]dCPU: 0 PID: 1262 Comm: TICK Tainted: PW O4.4.176 #1 [

Re: [PATCH] powerpc: Fix a bug in __div64_32 if divisor is zero

2020-08-20 Thread Christophe Leroy
Le 20/08/2020 à 15:10, Guohua Zhong a écrit : When cat /proc/pid/stat, do_task_stat will call into cputime_adjust, which call stack is like this: [17179954.674326]BookE Watchdog detected hard LOCKUP on cpu 0 [17179954.674331]dCPU: 0 PID: 1262 Comm: TICK Tainted: PW O4.4.176 #1 [