162306a36Sopenharmony_ci.. SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci.. include:: ../disclaimer-zh_TW.rst 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci:Translator: 胡皓文 Hu Haowen <src.res.211@gmail.com> 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci清除 WARN_ONCE 862306a36Sopenharmony_ci-------------- 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciWARN_ONCE / WARN_ON_ONCE / printk_once 僅僅列印一次消息. 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciecho 1 > /sys/kernel/debug/clear_warn_once 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci可以清除這種狀態並且再次允許列印一次告警信息，這對於運行測試集後重現問題 1562306a36Sopenharmony_ci很有用。 1662306a36Sopenharmony_ci 17