On Thu, 12 Dec 2013 16:45:32 -0800, Vipul Jain said: > I would like to enable softlockup and hardlockup option in Linux kernel > and would like to test it to make sure that when soft and hard lockup > condition arises we do see kernel taking configured action. Hence was > wondering if there is any tool to do the same (basically injecting the > errors).
Build your kernel with CONFIG_BOOTPARAM_HARDLOCKUP_PANIC and/or CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC and then stick an infinite loop somewhere in the kernel. See lib/Kconfig.debug under 'Debug Lockups and Hangs'.
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