Re: [gentoo-user] what does this mean:rcu_sched detected stalls on CPUs/tasks

[Alan McKinnon]

On 25/09/2013 12:56, 东方巽雷 wrote:
> My pc have a random boot problem.I can hardly make it clear when will occur.
> The kern.log shows  INFO: rcu_sched detected stalls on CPUs/tasks: { 0}
> (detected by 1, t=10002 jiffies, g=18446744073709551325,
> c=18446744073709551324, q=13).
> When this happen on boot,the kernel seems hung and will take about one
> or two minuts,then continue booting as normal.Does anyone know the reason?


Google search string: INFO: rcu_sched detected stalls on CPUs/tasks:

First hit: https://www.kernel.org/doc/Documentation/RCU/stallwarn.txt

That's the kernel doc that describes the relevant system.



-- 
Alan McKinnon
alan.mckinnon@×××××.com