On Mon, Aug 8, 2016 at 2:25 PM, Julian Margetson <runa...@candw.ms> wrote: > On 8/8/2016 9:39 AM, Kefeng Wang wrote: >> >> +cc Rob >> >> On 2016/8/8 20:51, Julian Margetson wrote: >>> >>> On 8/8/2016 8:22 AM, Kefeng Wang wrote: >>>> >>>> On 2016/8/8 19:52, Julian Margetson wrote: >>>>> >>>>> Problem booting Kernel 4.8-rc1 on Sam460ex ( Canyonlands) machine . >>>>> >>>>> This is what I get with the bisect. >>>> >>>> Hi Julian >>>> >>>> I have no Sam460ex machine, could you show the good and bad kernel >>>> bootlog? >> >> I have no experience about PowerPC, the status shows below, >> version boot >> v4.7 ok >> v4.8-rc1 fail >> v4.7 + this patch fail(right?) >> >> Does PowerPC support earlyprintk/earlycon? Please set it, and let's show >> somethings from earlyprintk. > > Not getting any output with earlyprintk so not sure if it works or if my > settings are incorrect .
This should work: earlycon=uart8250,mmio,ef600300,115200n8 Adding "initcall_debug debug" would also be useful here. > I tried to revert the commit but the result is the same so I suspect that > this one may not really be the problem . > Looks like the real problem may be something affecting the the device tree > loading . That's strange. If it is this commit, the init order changes as it changed from device to arch initcall. I haven't seen any other platforms having problems. Rob
