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Put a hole in a dry basement wall of a 1950 home, Patched 10 mins. Several days later stills smells of sawdust?
Be more specific, what was the wall you put a hole in made of, what did you patch it with, how did you patch it? Is there discoloration of the wall or patch before/during/after the work was done? Why was the hole made in the first place?
A pic might help. Post it on a host like photobucket, then post the link here.
Your question is vague to say the least