Steve> I have a process probably stuck in the IWCM or CMA waiting
Steve> on a refcnt to go to zero. Does anyone know of a way to
Steve> figure out what the process is blocked on short of using a
Steve> kernel debugger? Like once its stuck, is there any useful
Steve> information I can gather about what the process is waiting
Steve> on?
/proc/<pid>/wchan will show you where it's waiting. And "echo t >
/proc/sysrq-trigger" will put a stack trace of everything into the
kernel log.
- R.
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