I'm using uVision3 with the GNU toolchain. If I try to inspect a global variable with the watch window, some variables are correctly shown, some others are not shown (a row of ??????? appears on the "Value" column of the Watch window, "error 34:undefined identifier" appears on the Output window). The actual content of the variables seems to be correct (I'm able to track some of them with the Memory window), but this issue is making my application really hard to debug... Anyone experienced a similar problem? Regards, Andrea