Re: [printk] b031a684bf: INFO:rcu_tasks_detected_stalls_on_tasks

[Sergey Senozhatsky]

On (21/01/22 16:13), kernel test robot wrote:
[..]
> 
> +------------------------------------------------+------------+------------+
> |                                                | 6b916706f8 | b031a684bf |
> +------------------------------------------------+------------+------------+
> | boot_successes                                 | 66         | 18         |
> | boot_failures                                  | 2          | 26         |
> | INFO:rcu_sched_detected_stalls_on_CPUs/tasks   | 1          |            |
> | RIP:enqueue_hrtimer                            | 1          |            |
> | RIP:__memset                                   | 1          |            |
> | RIP:clear_page_rep                             | 2          | 2          |
> | BUG:kernel_hang_in_boot_stage                  | 2          |            |
> | INFO:rcu_sched_self-detected_stall_on_CPU      | 1          | 4          |
> | INFO:rcu_tasks_detected_stalls_on_tasks        | 0          | 22         |
> | RIP:kernel_init_free_pages                     | 0          | 1          |
> | IP-Config:Auto-configuration_of_network_failed | 0          | 3          |
> | RIP:zone_page_state                            | 0          | 1          |
> +------------------------------------------------+------------+------------+


A side note:

> # printk and dmesg options
> #
> CONFIG_PRINTK_TIME=y
> # CONFIG_PRINTK_CALLER is not set
> CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
> CONFIG_CONSOLE_LOGLEVEL_QUIET=4


Could you please keep CONFIG_PRINTK_CALLER enabled at all times?

	-ss