what is mean '(detected by 1, t=2103 jiffies, g=1712727, c=1712726, q=13218)'

0

I'm a beginner programmer.

my app receive event from netfilter(network device driver) and I use poll, and then I aging my app, it doesn't matter right now but after 8 hour don't receive event. I check from syslog and I input 'ps -ely' and than my board stop

I want to understand some mean below.

** what is mean '(detected by 1, t=2103 jiffies, g=1712727, c=1712726, q=13218)' detected by t, g, c, and q

[36189.299396] BUG: scheduling while atomic: systemd-journal/102/0x00000101
[36210.318956] INFO: rcu_preempt detected stalls on CPUs/tasks:
[36210.324627]  Tasks blocked on level-0 rcu_node (CPUs 0-3): P102
[36210.330544]  (detected by 1, t=2103 jiffies, g=1712727, c=1712726, q=13218)
[36273.368950] INFO: rcu_preempt detected stalls on CPUs/tasks:
[36273.374617]  Tasks blocked on level-0 rcu_node (CPUs 0-3): P102
[36273.380533]  (detected by 0, t=8408 jiffies, g=1712727, c=1712726, q=21887)
[36336.418952] INFO: rcu_preempt detected stalls on CPUs/tasks:
[36336.424619]  Tasks blocked on level-0 rcu_node (CPUs 0-3): P102
[36336.430534]  (detected by 0, t=14713 jiffies, g=1712727, c=1712726, q=22301)
[36360.269001] INFO: task systemd:1 blocked for more than 120 seconds.
[36360.275325]       Tainted: P        W  O    4.4.120-tcc #9
[36360.280839] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36360.289023] INFO: task systemd-journal:102 blocked for more than 120 seconds.
[36360.296159]       Tainted: P        W  O    4.4.120-tcc #9
[36360.301647] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36360.310162] INFO: task RAntenna:517 blocked for more than 120 seconds.
[36360.316692]       Tainted: P        W  O    4.4.120-tcc #9
[36360.322181] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36360.330301] INFO: task mali-utility-wo:870 blocked for more than 120 seconds.
[36360.337442]       Tainted: P        W  O    4.4.120-tcc #9
[36360.342937] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36360.351133] INFO: task kworker/2:0:5052 blocked for more than 120 seconds.
[36360.358002]       Tainted: P        W  O    4.4.120-tcc #9
[36360.363492] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36399.468957] INFO: rcu_preempt detected stalls on CPUs/tasks:
[36399.474623]  Tasks blocked on level-0 rcu_node (CPUs 0-3): P102
[36399.480541]  (detected by 3, t=21017 jiffies, g=1712727, c=1712726, q=22699)
[36462.518954] INFO: rcu_preempt detected stalls on CPUs/tasks:
[36462.524621]  Tasks blocked on level-0 rcu_node (CPUs 0-3): P102
[36462.530537]  (detected by 0, t=27323 jiffies, g=1712727, c=1712726, q=23116)
[36480.369004] INFO: task systemd:1 blocked for more than 120 seconds.
[36480.375367]       Tainted: P        W  O    4.4.120-tcc #9
[36480.380912] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36480.389091] INFO: task systemd-journal:102 blocked for more than 120 seconds.
[36480.396219]       Tainted: P        W  O    4.4.120-tcc #9
[36480.401726] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36480.410245] INFO: task esmagent:561 blocked for more than 120 seconds.
[36480.416776]       Tainted: P        W  O    4.4.120-tcc #9
[36480.422269] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36480.430389] INFO: task RAntenna:517 blocked for more than 120 seconds.
[36480.436909]       Tainted: P        W  O    4.4.120-tcc #9
[36480.442398] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36480.450515] INFO: task mali-utility-wo:870 blocked for more than 120 seconds.
[36480.457643]       Tainted: P        W  O    4.4.120-tcc #9
[36480.463133] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[36525.568952] INFO: rcu_preempt detected stalls on CPUs/tasks:
[36525.574618]  Tasks blocked on level-0 rcu_node (CPUs 0-3): P102
[36525.580534]  (detected by 1, t=33628 jiffies, g=1712727, c=1712726, q=23516)
[36588.618952] INFO: rcu_preempt detected stalls on CPUs/tasks:
[36588.624617]  Tasks blocked on level-0 rcu_node (CPUs 0-3): P102
rcu
asked on Stack Overflow Apr 23, 2021 by 조성현 • edited Apr 23, 2021 by AbdelAziz AbdelLatef

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