[Open-graphics] Linux kernel graphics subsystem changes

[Philipp Klaus Krause]

Lourens Veen wrote:

>> While some work is needed to rationalize the current mess, I don't
>> think that too much of the graphics system should be in the Kernel.
>> Currently, X11 can crash and not affect the Kernel at all.  This
>> shouldn't change -- a new graphics system shouldn't pull the Kernel
>> down with it if (make that when since graphics is much less stable
>> than the Kernel) it crashes, the Kernel must survive the crash.
> 
> Does it really matter all that much? If (when) my X hangs, I have to 
> reboot the system to get the system back to a usable (i.e. with a GUI, 
> this is a desktop workstation) state, even if the kernel is still 
> running and I can still access the system over the network. Unless the 
> kernel can clean up after X and put the hardware back into a workable 
> state.
> 
> Lourens

It makes a huge difference for debugging. If the kernel is till running 
it's much easier to get some useful logs and other debugginf info about 
the problem.

Philipp