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SubjectRe: BUG: rcu_sched detected stalls on CPUs
On Fri, 20 Jan 2017 10:43:50 +0200
mitko@stz-bg.com wrote:

> [1.] One line summary of the problem:
>
> rcu_sched detected stalls on CPUs and few minutes server not respond.

Is this reproducible? Or was this a one time ordeal?

>
> [2.] Full description of the problem/report:
>
> Load of my server (postgres database) isnt big less then 0.50 and when
> error occured rcu_sched detected stalls on CPUs
> server freeze and nothing is work for 3-5 minute.
> No network, no video signal, no keyboard, no mouse. Nothing is worked.
> After these few minutes everything continue normal.
> This usual is happend once per day. When I check in google find a lots
> of ppl complain of this error, but no solution.
> Do any one know can help me to resolve it ? I spoke with few friends and
> they trying to convince me the problem is in CPU.
> I did not believe after a 3 years working CPU suddenly stop working
> correctly, but I might be wrong.
>
> [3.] Keywords (i.e., modules, networking, kernel):
>
> kernel
>
> [4.] Kernel information
> [4.1.] Kernel version (from /proc/version):
>
> Linux version 4.4.38 (root@hive64) (gcc version 5.4.0 (GCC) ) #2 SMP Sun
> Dec 11 16:11:02 CST 2016
>

Have you tried a newer version of the kernel?

-- Steve

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