Re: How to collect debug information while booting kernel on powerpc 32 bit

2020-07-02 Thread Giuseppe Sacco
Hello Adrian, Il giorno mer, 01/07/2020 alle 20.02 +0200, John Paul Adrian Glaubitz ha scritto: > On 7/1/20 4:51 PM, Giuseppe Sacco wrote: > > How may I debug the problem? I tried a lot of kernel parameters without > > having any additional information on the screen. Would it be helpful to > >

Re: How to collect debug information while booting kernel on powerpc 32 bit

2020-07-01 Thread John Paul Adrian Glaubitz
On 7/1/20 4:51 PM, Giuseppe Sacco wrote: > How may I debug the problem? I tried a lot of kernel parameters without > having any additional information on the screen. Would it be helpful to > connect a serial cable (where?), use it to connect a console, and get > more info? Is there any parameter

How to collect debug information while booting kernel on powerpc 32 bit

2020-07-01 Thread Giuseppe Sacco
Hello, I cannot boot a powerbook g4 with kernels more recent than 3.16. Using 5.6 and 5.7 from sid, the system blocks after printing these lines: pmac32_cpufreq: registering PowerMac CPU frequency driver pamc32_cpufreq: Low: 667 MHz, High: 867 Mhz, Boot: 667 MHz I opened a bug report (#963689)