Hello Osama Nasr,
> glxinfo -B > name of display: :0 > display: :0 screen: 0 > direct rendering: Yes > Extended renderer info (GLX_MESA_query_renderer): > Vendor: VMware, Inc. (0xffffffff) > Device: llvmpipe (LLVM 7.0, 256 bits) (0xffffffff) oh, this system is running in a VM, that might be important information. > I cant install those packages. > when hit apt install gdb konqueror-dbgsym libgl1-mesa-dri-dbgsym > unable to locate packages , even after update. The dbgsym packages are not in the regular repositories, the mentioned link in my previous mail describes what repositories contain them. Kind regards, Bernhard