On Fri, Dec 22, 2017 at 06:09:00PM +0530, Naresh Kamboju wrote: > On 22 December 2017 at 15:50, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > On 22 December 2017 at 14:36, Greg Kroah-Hartman > > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > >> On Fri, Dec 22, 2017 at 02:29:55PM +0530, Naresh Kamboju wrote: > >>> On 22 December 2017 at 12:41, Greg Kroah-Hartman > >>> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > >>> > On Thu, Dec 21, 2017 at 04:35:30PM -0600, Dan Rue wrote: > >>> >> Hi Greg, > >>> >> > >>> >> It looks like the pending v4.14.8-159-gc2a94d1a609 fails to boot on all > >>> >> arm64 boards. hikey and juno are failing for us, and I see similar arm64 > >>> >> boot failures reported by kernelci. > >>> >> > >>> >> Still investigating root cause. > >>> > > >>> > Any help in bisecting to find the problem here would be great... > >>> > >>> Booting now on arm64 Hikey board. After reverting 83e3c48729d. > >>> > >>> git revert 83e3c48729d9ebb7af5a31a504f3fd6aff0348c4 > > Reverting above commit 83e3c48 (mm/sparsemem: Allocate mem_section at) > might not be the right way to fix this problem. No it isn't :) > Instead cherry pick this commit 629a359bd to fix ARM64 boot crash problem. > (mm/sparsemem: Fix ARM64 boot crash when CONFIG_SPARSEMEM_EXTREME=y) > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git > branch: linux-4.14.y > > git cherry-pick 629a359bdb0e0652a8227b4ff3125431995fec6e I've taken this patch and added it to the queue, thanks. greg k-h