Hi Stan! On 10/6/21 18:59, Stan Johnson wrote: > I can confirm that X is not working on a PowerPC G4 Cube with the stock > Debian kernel "vmlinux-5.14.0-2-powerpc". X does work with the stock > Debian kernel "vmlinux-5.10.0-8-powerpc". In both cases, I'm using the > latest Debian SID with Xfce. In 5.14.0-2, wdm runs but the system > console screen remains blank (the LCD backlight is on).
Thanks for the confirmation. > (BTW, I have a PowerBook G4 12" 1.5GHz, but I didn't test the 5.14 > kernel there. The PB G4 overheats and shuts off whenever it runs > anything CPU-intensive, such as a Gentoo upgrade or even compressing a > file. I think Apple had a way of throttling the CPU speed to prevent > overheating -- it doesn't have any problems with Mac OS X Tiger or > Leopard -- but they probably didn't share the details.) We should start a separate discussion for that. > I'll attempt a bisect, starting with mainline v5.14 and going backwards > if necessary (it looks like 5.12.9 worked; I'm not sure about v5.13). If > there's a kernel regression, I'll confirm the regression exists on both > the G4 Cube and the PB G4. I don't have an iBook to test. Thanks. This is much appreciated. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - [email protected] `. `' Freie Universitaet Berlin - [email protected] `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913

