Hi, Can you please file a gitlab issue and post a screenshot of the corruption?
Thanks, Marek On Tue, Oct 8, 2024, 15:21 Valtteri Koskivuori <vkos...@gmail.com> wrote: > Hello all. > > I run Arch Linux on a 2006 Fujitsu S2110 laptop that has sentimental > value to me. Earlier in 2024, I observed a regression that broke > wayland-based compositors, such as Sway and Cage. The framebuffer shows > up garbled, and the following error is emitted to the kernel log: > > [drm:radeon_crtc_do_set_base [radeon]] *ERROR* trying to scanout > microtiled buffer > > I spent the past weekend tracking this down, and managed to set up for a > bisect, which lead me to that specific commit, which was a part of merge > request !28209 in March. > Mesa seems to be setting the tiling flag RADEON_TILING_MICRO, which then > later gets checked in the Linux driver, giving that error above. > > TL;DR: reverting f424ef18010 on the latest HEAD resolves this issue for > me, > though I'm not familiar enough with the code to determine if reverting > it results in adverse effects on other hardware. More details below for > the interested. > > GPU: [AMD/ATI] RS480M [Mobility Radeon Xpress 200] > CPU: AMD Turion(tm) 64 Mobile Technology MT-37 > Linux arch 6.11.1-arch1-1 #1 SMP PREEMPT_DYNAMIC Mon, 30 Sep 2024 23:49:50 > +0000 x86_64 GNU/Linux > Mesa 24.2.3-1 (arch package) > Sway and Cage were broken, but i3 seems to be unaffected. > > I hope this information is helpful. I'd be happy to help with testing a > potential fix, if needed. > > Thank you all for the work you do. > Br, > Valtteri Koskivuori >
