$ asmcmd
ASMCMD> passwd sys
Enter old password : **
Enter new password: **

Use of uninitialized value $DBI::errstr in string at $GRID_HOME/lib/asmcmdug.pm line 2048,<STDIN> line 2.

报err，但是修改成功了，用新密码可以连接到asm，求大神解答~