Messages in this thread | | | Date | Sun, 4 Aug 2013 23:16:47 -0500 | Subject | Re: [PATCH 11/13] ptrace: PTRACE_DETACH should do flush_ptrace_hw_breakpoint(child) | From | Felipe Contreras <> |
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On Mon, May 13, 2013 at 10:17 AM, Oleg Nesterov <oleg@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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