softlockup may occur when the dev_info operation is performed in the critical area of the RCU. #30
Description
ethernet-linux-i40e/src/i40e_debugfs.c
Line 294 in b439573
When the kernel printk console level is set to 7 or higher, logs printed by dev_info are output to the console. The driver thread needs to obtain console_sem. A large number of logs may cause watchdog timeout (soft lockup).