[LKP] Re: [printk] b031a684bf: INFO:rcu_tasks_detected_stalls_on_tasks
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