Detect Hard Lockups
configname: CONFIG_HARDLOCKUP_DETECTOR
Linux Kernel Configuration
└─>Kernel hacking
└─>Debug Oops, Lockups and Hangs
└─>Detect Hard Lockups
In linux kernel since version 2.6.36 (release Date: 2010-10-20)
Say Y here to enable the kernel to act as a watchdog to detect
hard lockups.
Hardlockups are bugs that cause the CPU to loop in kernel mode
for more than 10 seconds, without letting other interrupts have a
chance to run. The current stack trace is displayed upon detection
and the system will stay locked up.
hard lockups.
Hardlockups are bugs that cause the CPU to loop in kernel mode
for more than 10 seconds, without letting other interrupts have a
chance to run. The current stack trace is displayed upon detection
and the system will stay locked up.