am cb8c3cbe: am 9e452d1d: Fix system weak sweeping race.
am cb8c3cbe: am 9e452d1d: Fix system weak sweeping race.

* commit 'cb8c3cbeb3ce53fa15f070f32e4a6a5cbb5b8c7b':
  Fix system weak sweeping race.

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst