@cliffordheath on twitter says [0] > This will be a kernel data structure protected by a mutex or semaphore. task_for_pid waits at pri>=0 for a wakeup that won

@cliffordheath on twitter says [0] > This will be a kernel data structure protected by a mutex or semaphore. task_for_pid waits at pri>=0 for a wakeup that won't happen because race. ps queues behind it at pri<0 (disabling ^C). At least two bugs there. Seems like a reasonable explanation as to the underlying cause of the behaviour. [0] https://twitter.com/cliffordheath/status/957505667568353280 https://twitter.com/cliffordheath/status/957505667568353280