> ffffff273cdb3bc0::findstack -v
stack pointer for thread ffffff273cdb3bc0: ffffff012fbd8450
  ffffff012fbd84c0 param_preset()
  ffffff012fbd8550 die+0xdf(e, ffffff012fbd8670, 0, 1)
  ffffff012fbd8660 trap+0xdf3(ffffff012fbd8670, 0, 1)
  ffffff012fbd8670 0xfffffffffb8001d6()
  ffffff012fbd87c0 lwp_hash_in+0x37(ffffff323d1ca038, ffffff42844cd3c0, ffffff42dc019f40, 4, 1)
  ffffff012fbd88b0 lwp_create+0x95d(fffffffffb8004d0, 0, 0, ffffff323d1ca038, 10, 3b, ffffff012fbd8e50, ffffff2b00000002, ffffff2400000000)
  ffffff012fbd8eb0 syslwp_create+0x17b(fea7eadc, c0, fea7ead8)
  ffffff012fbd8f10 _sys_sysenter_post_swapgs+0x153()

  > ffffff323d1ca038::print proc_t p_lwpfree
p_lwpfree = 0