StacktraceTop:
pushbuf_kref () from /tmp/apport_sandbox_ZyMo9z/usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
pushbuf_validate () from /tmp/apport_sandbox_ZyMo9z/usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
nv50_flush () from /tmp/apport_sandbox_ZyMo9z/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
st_glFlush () from /tmp/apport_sandbox_ZyMo9z/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
dri2_make_current () from /tmp/apport_sandbox_ZyMo9z/usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
StacktraceTop: sandbox_ ZyMo9z/ usr/lib/ x86_64- linux-gnu/ libdrm_ nouveau. so.2 sandbox_ ZyMo9z/ usr/lib/ x86_64- linux-gnu/ libdrm_ nouveau. so.2 sandbox_ ZyMo9z/ usr/lib/ x86_64- linux-gnu/ dri/nouveau_ dri.so sandbox_ ZyMo9z/ usr/lib/ x86_64- linux-gnu/ dri/nouveau_ dri.so sandbox_ ZyMo9z/ usr/lib/ x86_64- linux-gnu/ mesa-egl/ libEGL. so.1
pushbuf_kref () from /tmp/apport_
pushbuf_validate () from /tmp/apport_
nv50_flush () from /tmp/apport_
st_glFlush () from /tmp/apport_
dri2_make_current () from /tmp/apport_