On Sun, Oct 30, 2016 at 8:14 PM, Klaus Becker <colon...@free.fr> wrote: > Hi, > > I have new passwords and new problems: > > - I updated Debian 8 without any problem, but: > > - the mouse and the mousepad of the iBook G4 will not work. Sometimes after > system start they work some seconds, than the computer is completely frozen, I > can only restart it. > > - how to write a pipe "|", for ex. "dmesg | grep firewire"? (I saw boot hang > some time with a message about firewire) > > - I suppose there is a hardware problem, but I am not sure. I tried another > (usb) mouse and I had the same problem. I also tried the 2 usb connections.
I am guessing you have an ATI card, try: $ cat /etc/modprobe.d/radeon-agpmode.conf options radeon agpmode=-1 You may want to do that from one of the virtual tty (Ctrl+Alt+1), then simply reboot. Some people prefer setting this param using yaboot: https://wiki.debian.org/PowerPC/FAQ#How_do_I_get_graphics_working.3F HTH
