On Wed, Jun 09, 2021 at 02:30:18PM -0400, Zi Yan wrote: > On 3 Jun 2021, at 10:22, Mel Gorman wrote: > > Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> > > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > > --- > > include/linux/mmzone.h | 20 +++++- > > mm/internal.h | 2 +- > > mm/page_alloc.c | 159 +++++++++++++++++++++++++++++------------ > > mm/swap.c | 2 +- > > 4 files changed, 135 insertions(+), 48 deletions(-) > > > > Hi Mel, > > I am not able to boot my QEMU VM with v5.13-rc5-mmotm-2021-06-07-18-33. > git bisect points to this patch. The VM got stuck at ???Booting from ROM??????. > > My kernel config is attached and my qemu command is: > > qemu-system-x86_64 -kernel ~/repos/linux-1gb-thp/arch/x86/boot/bzImage \ > -drive file=~/qemu-image/vm.qcow2,if=virtio \ > -append "nokaslr root=/dev/vda1 rw console=ttyS0 " \ > -pidfile vm.pid \ > -netdev user,id=mynet0,hostfwd=tcp::11022-:22 \ > -device virtio-net-pci,netdev=mynet0 \ > -m 16g -smp 6 -cpu host -enable-kvm -nographic \ > -machine hmat=on -object memory-backend-ram,size=8g,id=m0 \ > -object memory-backend-ram,size=8g,id=m1 \ > -numa node,memdev=m0,nodeid=0 -numa node,memdev=m1,nodeid=1 > > The attached config has THP disabled. The VM cannot boot with THP enabled, > either. > There is not a lot of information to go on here. Can you confirm that a revert of that specific patch from mmotm-2021-06-07-18-33 also boots? It sounds like your console log is empty, does anything useful appear if you add "earlyprintk=serial,ttyS0,115200" to the kernel command line? -- Mel Gorman SUSE Labs
