On Tue, 2014-02-04 at 21:29 +0000, Chris Wilson wrote: > On Tue, Feb 04, 2014 at 09:15:14PM +0200, Imre Deak wrote: > > It's not signal safe and I got kms_flip in hung state with the backtrace > > below, while the parent process waiting for the signal helper to exit. > > It was quite easy to reproduce the bug by running > > > > kms_flip --run-subtest=flip-vs-dpms-off-vs-modeset > > snprintf is not signalsafe either (man 7 signal). X goes as far as > implementing its own limited pnprintf() instead. Thanks. I got only as far as to realize that asprintf is not signal-safe b/c of malloc and didn't remember any place with an official list of allowed functions.. I also missed at least igt_skip() calling vprintf(), so this needs some more thought. --Imre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
