not every problem. Not expected to e.g. solve the halting problem.
If it can solve every problem that a human can solve, then it would be AGI. If it can solve every problem that a somewhat unintelligent human can solve, I think that would still count as AGI.
If it can solve every problem that a human can solve, then it would be AGI. If it can solve every problem that a somewhat unintelligent human can solve, I think that would still count as AGI.