On Mon, May 13, 2013 at 10:17 AM, Oleg Nesterov <o...@redhat.com> wrote:
> Change ptrace_detach() to call flush_ptrace_hw_breakpoint(child).
> This frees the slots for non-ptrace PERF_TYPE_BREAKPOINT users, and
> this ensures that the tracee won't be killed by SIGTRAP triggered by
> the active breakpoints.

There is something wrong with this patch. I've bisected an issue I've
seen in v3.11-rcx kernels while running Starcraft II through wine,
it's crashes 100% of the time, I revert this patch, and there's no
crash any more.

-- 
Felipe Contreras
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