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The cause is: in dump mode, setup_windows() is not invoked so the
*_window variables, like cstate_window, are still NULL; later in
main() -> show_cstates(), the functions, like wrefresh(), will trigger
segfault.
After discussing in PowerTop mailling list, I think the right solution is
we should stub out the ncurses calls in dump mode.
(The patch was also sent to upstream PowerTop mailling list.)
This fixes [BUGID #195]:
Bug 195 - [sdk] powertop segfault when running with dump option
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
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