On Thu, Dec 17, 2020 at 10:15 AM Klaus Kusche <klaus.kusche@xxxxxxxxxxxxxxx> wrote: > > > Hello, > > I don't know where and how to report amdgpu bugs > as the freedesktop.org bugzilla is closed... https://gitlab.freedesktop.org/drm/amd/-/issues > > My problem: > > With kernel 5.10.x, both the internal notebook display and any external screen > become black (or go to the "off" state?) when the kernel boots > (one or two seconds after the VGA text console is shown), > and the system no longer reacts. > > 5.9.x is fine. > > This seems to happen as soon as the amdgpu kernel driver loads/initializes, > even in pure text mode (VGA console or framebuffer), without starting X. > > Dell Precision notebook with > AMD Radeon (TM) Pro WX 3200 Series (POLARIS12, DRM 3.39.0, 5.9.15-gentoo, LLVM 11.0.0) (0x6981) > > Tried all combinations of DC/non-DC, FB/non-FB kernel configurations > (even happens when configuring Amdgpu without framebuffer!). I think this may be the same issue as: https://patchwork.freedesktop.org/patch/408230/ Does the patch there help? It's already on it's way upstream. Alex > > Many thanks for any help! > > -- > Prof. Dr. Klaus Kusche > Private address: Rosenberg 41, 07546 Gera, Germany > +49 365 20413058 klaus.kusche@xxxxxxxxxxxxxxx https://www.computerix.info > Office address: DHGE Gera, Weg der Freundschaft 4, 07546 Gera, Germany > +49 365 4341 306 klaus.kusche@xxxxxxx https://www.dhge.de > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx