[OLPC-devel] Re: suggested requirement for new kernels and initrds:
must boot under qemu and/or kexec as kernel and initrd before
release as a stream
marcelo at kvack.org
Sat Jul 8 17:36:40 EDT 2006
On Wed, Jul 05, 2006 at 08:37:10AM -0600, Jordan Crouse wrote:
> > Are you using serial console? Otherwise CONFIG_VGA_NOPROBE makes the
> > console not work. Can we disable that for now and use VGA console?
> I think we can do that pretty easily - we'll just add a qemu defconfig for
> the kernel and use it based on a flag.
> > Other than that, I think CONFIG_MGEODE_LX=y might cause problems in qemu.
> Really? All that basically does is enable MMX and set a 32 byte cache
> line. qemu should be able to handle that, should it not?
Right, it does not cause a problem for qemu. Bad guess.
> > Jordan, can you please change the CPU type to generic i386 in defconfig?
> > It shrinks bzImage by about 16k.
> Just to play devils advocate, going to i386 will be a performance
> tradeoff - we'll lose the MMX memcpy. Is that deemed acceptable?
I think its worthwile as Ronald mentioned.
> Somebody send me a qemu .config for the kernel and I'll add it to buildrom.
Just need to disable _VGA_NOPROBE from the current .config...
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