运行LDD3的例程scull中的scull_load时，出现了很多错误

旧城等待， 2022-09-21 05:42 115阅读 0赞

运行LDD3的例程scull中的scull\_load时，出现了很多错误：

> awk: 0: unexpected character ‘\\’  
> awk: line 1: syntax error at or near ==  
> mknod: missing operand after `0' Try`mknod –help’ for more information.  
> mknod: missing operand after `1' Try`mknod –help’ for more information.  
> mknod: missing operand after `2' Try`mknod –help’ for more information.  
> mknod: missing operand after `3' Try`mknod –help’ for more information.  
> chgrp: cannot access `/dev/scull[0-3]': No such file or directory chmod: cannot access`/dev/scull\[0-3\]’: No such file or directory  
> mknod: missing operand after `4' Try`mknod –help’ for more information.  
> mknod: missing operand after `5' Try`mknod –help’ for more information.  
> mknod: missing operand after `6' Try`mknod –help’ for more information.  
> mknod: missing operand after `7' Try`mknod –help’ for more information.  
> chgrp: cannot access `/dev/scullpipe[0-3]': No such file or directory chmod: cannot access`/dev/scullpipe\[0-3\]’: No such file or directory  
> mknod: missing operand after `8' Try`mknod –help’ for more information.  
> chgrp: cannot access `/dev/scullsingle': No such file or directory chmod: cannot access`/dev/scullsingle’: No such file or directory  
> mknod: missing operand after `9' Try`mknod –help’ for more information.  
> chgrp: cannot access `/dev/sculluid': No such file or directory chmod: cannot access`/dev/sculluid’: No such file or directory  
> mknod: missing operand after `10' Try`mknod –help’ for more information.  
> chgrp: cannot access `/dev/scullwuid': No such file or directory chmod: cannot access`/dev/scullwuid’: No such file or directory  
> mknod: missing operand after `11' Try`mknod –help’ for more information.  
> chgrp: cannot access `/dev/scullpriv': No such file or directory chmod: cannot access`/dev/scullpriv’: No such file or directory

解决办法：  
原因：ubuntu里面的awk有点问题  
办法：  
1）apt-get install gawk  
2）将scull\_load中的`major=$(awk "\\$2==\"$module\" {print \\$1}" /proc/devices)`  
改为：`major=$(awk "\$2==\"$module\" {print \$1}" /proc/devices)`

之后，再次运行scull\_load就可以了。