Hello. I will upgrade to the newest kernel image the ASAP and will update you about the results.
I also checked the firmware version than I installed, 20260622-1 is currently installed. Kind regards, -Homer Haddock On Wednesday, August 12th, 2026 at 3:12 PM, Martin Steigerwald <[email protected]> wrote: > Greetings. > > Replying as an user – I am not a member of the Debian kernel team: > > Homer Haddock - 12.08.26, 20:14:37 CEST: > > I have a laptop equipped with an AMD Ryzen 5 3500U using integrated > > graphics. After installing the latest kernel from Testing > > (7.1.7+deb14-amd64) I noticed a problem while using it. > > At first it was minor glitches of about 5% of the screen being replaced > > with random blocky colours for just long enough to be noticed but would > > disappear before it impacted anything. > > > > Recently it spiked to 75% of the screen with multiple flashes in short > > succession. I checked btop and it reported high CPU usage but low load > > average. So it seems as though a lack of available CPU impacts this > > bug. > > > > I would normally figure out this problem myself but I couldn't find any > > helpful information besides bug #1093084. > > I saw something similar with vanilla 7.1.7 kernel – self-compiled – on my > ThinkPad T14 AMD Gen 5 with integrated AMD Radeon 780M GPU. I did not see > the 75% case, but under usual workloads the CPU is not fully utilized on > this system. > > It went away with vanilla 7.1.8. Can you try with 7.1.8 once the Debian > kernel image for that becomes available? > > I use firmware-amd-graphics 20260622-1 package. > > Best, > -- > Martin > > >
