Also, see this apparently very similar recent issue from last week: https://lists.debian.org/debian-powerpc/2025/08/msg00018.html
> On Aug 21, 2025, at 6:35 AM, Jeroen Diederen <[email protected]> wrote: > > You might need to do the following. Boot the machine in recovery mode. You > then do: > > mv /usr/lib/xorg/modules/libglamoregl.so > /usr/lib/xorg/modules/libglamoregl.so.bak > > Ctrl-d or exit to resume booting. > > Michael Campbell schreef op 2025-08-21 20:18: >> Hi, thanks for this. I am new to this list; this is my first "post". >> I am attempting to install Debian 12 PPC64 on my Power Mac G5 Quad. >> The installer runs to completion more or less successfully, although >> it did complain about b43 firmware, presumably related to the Apple >> WiFi/Bluetooth card I have installed. The result boots to GRUB, and >> when I select any non-recovery mode selection from the GRUB menu, it >> takes off nicely. Screens worth of startup messages go by, then the >> screen clears. I BRIEFLY see a text mode login prompt and then the >> screen clears again. That is it. Nothing further happens. I let it sit >> that way for ten minutes, but nothing further happens. >> I am TOTALLY new to Debian, although I have a fair deal of experience >> configuring and installing Arch Linux and the old openSuSE. >> Does what I described above suggest anything to any reader? >> My system details: my G5 Quad has 16 GB of RAM, a Quadro FX 4500 >> graphics card, two internal SATA HDDs, one actually an SSD and the >> other a 2 TB spinner. It is the spinner that I trying to install >> Debian onto. I select Guided, and Whole Disk during install. The Quad >> also has a PCIe eSATA card and a FireWire 800 port expansion card. It >> is also unique in that I have converted it from liquid cooling to air >> cooling, although all the stock Apple fans remain in place and >> operative. I have an Apple FW400 iSight camera and a USB microphone >> also attached. >> I normally run 10.5.9 Sorbet Leopard on it. >> Any thoughts on why the existing new install doesn't seem to come up >> to a point where it is usable would be most appreciated. >> Meantime, I will try it this new installer and see if that changes >> things. >> Thanks, >> Michael >> On August 20, 2025 6:31:21 PM EDT, John Paul Adrian Glaubitz >> <[email protected]> wrote: >>> Hello, >>> I just created updated Debian Ports installation images based on >>> kernel 6.12.38. These are using the debian-installer from Trixie. >>> They can be downloaded from here: >>> https://cdimage.debian.org/cdimage/ports/snapshots/2025-08-21/ >>> Please test and report back. >>> Known issues are kernel instabilities on sun4u (sparc64) machines >>> which are currently being investigated. I will write a separate >>> mail on the issue. >>> Adrian >>> -- >>> .''`. John Paul Adrian Glaubitz >>> : :' : Debian Developer >>> `. `' Physicist >>> `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913 >
