Comment 2 for bug 1632077

StacktraceTop:
 mir::fatal_error_abort(char const*, ...) (reason=0x7fd55af5f98c "Failed to schedule page flip") at ./src/common/fatal/fatal.cpp:43
 ?? () from /tmp/apport_sandbox_FukxsO/usr/lib/x86_64-linux-gnu/mir/server-platform/graphics-mesa-kms.so.10
 mir::compositor::CompositingFunctor::operator()() (this=0x5647ef5b0840) at ./src/server/compositor/multi_threaded_compositor.cpp:143
 operator() () at /usr/include/c++/6/functional:2136
 execute (this=0x7fd553a80c70) at ./src/server/thread/basic_thread_pool.cpp:40