Posted on 2015-07-23 18:31
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Linux Kernel
今天用 Buildroot 編譯文件系統燒寫到開發板啟動提示下面的錯誤
can't open /dev/ttyS0: No such file or directory
can't open /dev/ttyS0: No such file or directory
can't open /dev/ttyS0: No such file or directory
can't open /dev/ttyS0: No such file or directory
can't open /dev/ttyS0: No such file or directory
can't open /dev/null: No such file or directory
can't open /dev/null: No such file or directory
can't open /dev/null: No such file or directory
can't open /dev/null: No such file or directory
can't open /dev/null: No such file or directory
后面發現是內核沒有選上 CONFIG_DEVTMPFS_MOUNT 的原因，配置上之后重新編譯內核燒寫到開發板就可以避免這個問題了
