Thank you very much.
I also had the same problem as Peter. (error at start):
darktable_bt_UNAM5Y.txt (4.9 KB)
After your (@houz) instruction:
Darktable starts. 
ATI Radeon HD 5400 Series
Edit:
The equalizer module seems to work for luma and chroma, but the edges part of it does (almost) nothing ( for raw and jpg), is that normal behavior? (last edit, It works, I think, but it is very subtle)
latest, latest 
edit: I found this on the darktable website: “Note that the edge parameter only affects the wavelet basis, not the image directly. You will have to change some denoise/contrast boost parameters to see an effect following adjustments to the edge parameter.” …
I think, this is the answer.
After some time working with equalizer, darktable crashed:
darktable_bt_MH9W5Y.txt (12.3 KB)