On Wed, 06 Dec 2017 16:32:26 -0800, Daniel Walker said: > and it works sometimes on UP, but it doesn't work on SMP. I also tried
Thinking about *why* that hangs a UP should explain why it doesn't work on SMP. > adding in "taskset" to pin multiple version of the "yes" command to each > cpu in the system, but that just resulted in lots of rcu warnings. That's.... unexpected. > The goal is to make the watchdog trigger by starving out the watchdog > petting process. Anyone have any ideas? I'd rather not make a kernel module. What are you trying to achieve by doing that? Have you tried just pointing a 'kill -9' at the watchdog monitor process? Are you using in-kernel watchdogd, or one in userspace?
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