Re: [PATCH] perf_counter: Provide functions for locking and pinning the context for a task

Paul Mackerras
2009-06-01T21:38:29Z

Ingo Molnar writes:

> -tip testing found that these patches are causing a crash:

Argh. What was userspace doing at the time of the crash, do you know?
It looks like it might have been on/off-lining a cpu, judging by the
stack trace. Would there have been any counters attached to the task
doing there, or were there any per-cpu counters active?

Paul.