On Tue, Feb 09, 2021 at 03:06:14PM +0200, Yordan Karadzhov (VMware) wrote: Hi Yordan! I have the same issue of an all-black plots area. > Ciao Dario, > > There is a bug in one of the patches from the last patch-set I sent. This > bug was reported by Tzvetomir. My guess is that you are hitting the same > issue. If this is the case you must also have an error message saying > "Unable to find FreeSans font". I have the same error message. I tried installing the `gnu-free-fonts` package on Arch, but it does not get rid of the error. > > You can manually do the fix suggested by Tzvetomir (see his reply to [PATCH > 15/24] kernel-shark: Update KsDualMarker and KsGLWidget) or just get a > corrected (rebased) version of the code from > https://github.com/yordan-karadzhov/kernel-shark-v2.beta I tried installing from your github repo, but the same error still shows. I have all other dependencies installed. FreeSans is the only complaint from the cmake .. command. Is there another potential fix I could try? > > Please let me know if this fixes your issue. > Thank you very much for testing and reporting! > > Best > Yordan Thank you! Cheers, Solomon