On Mon, Dec 26, 2022 at 8:19 AM Aditya Garg <gargaditya08@xxxxxxxx> wrote: > > The AMD Radeon Pro 5600M with 8GB of HBM2 memory GPU is found in MacBook Pro 16 inch, 2019 (MacBookPro16,4). > > The GPU fails to work on Linux, thus a blank black screen gets displayed on boot. > > If nomodeset is added as a kernel parameter, we are able to access Linux easily. > > The link below contains the journalctl of the failed boot :- > https://gist.github.com/AdityaGarg8/dfe1a1c23bf2b92b640dad89f55b73c7 Can you file a bug report: https://gitlab.freedesktop.org/drm/amd/-/issues/ What sort of monitor are you using? It looks to be failing mode validation: [drm] Mode Validation Warning: Urgent latency failed validation. Alex > > Thanks > Aditya