Raspberry pi not ready to self-host yet?

[Warner Losh]

On Jul 1, 2013, at 2:33 AM, Oleksandr Tymoshenko wrote:

> 
> On 2013-07-01, at 1:14 AM, Jordan Hubbard <jordan.hubbard at gmail.com> wrote:
> 
>> Well, I managed to build and install an RPI-B kernel on the PI itself last night using gcc as the compiler, but it doesn't boot.  I get the dreaded "kernel boot args: (null)" and then a hang before even getting into the device probes.
> 
> It crashes due to INVARIANTS options in kernel config. I'm going to
> look into this problem some time  next week unless someone beats me to it. 
> Just disable them for now. 
> 
> The issue with empty console is  that if there is "device sc" in
> kernel config syscons becomes default console. And if crash happens
> before frame buffer driver is initialize no output from kernel appears
> anywhere. Add set boot_multicons="YES" to /boot/loader.rc or remove
> syscons-related stuff from kernel config. 

I've long wondered why we don't make this the default. The number of systems with a free serial port is huge, and the number with some hardware on it are small enough to be manageable by turning it off. If not globally, at least for arm.


Warner