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SubjectRe: boot failure of linux-next due to 1248fb6a8201 ("x86/mm: Randomize per-cpu entry area")
On Fri, Oct 28, 2022 at 3:33 PM Dave Hansen <> wrote:
> On 10/28/22 06:29, Sudip Mukherjee (Codethink) wrote:
> > I will be happy to test any patch or provide any extra log if needed.
> > Though I am not sure how I will collect extra logs (if needed) as there
> > was no output from qemu.
> Could you share your qemu config? The command-line would be fine. Does
> it have a serial console set up?

qemu-system-x86_64 -m 2048 -smp 2 -chardev
socket,id=SOCKSYZ,server,nowait,host=localhost,port=46514 -mon
chardev=SOCKSYZ,mode=control -display none -serial stdio -no-reboot
-name VM-test -device virtio-rng-pci -enable-kvm -cpu
host,migratable=off -device e1000,netdev=net0 -netdev
user,id=net0,restrict=on,hostfwd=tcp: -hda
bullseye.img -snapshot -kernel bzImage -append "root=/dev/sda
console=ttyS0 net.ifnames=0 biosdevname=0"

serial is via stdio, and in normal boots I get the bootlog in the
terminal, but in this case there was nothing.


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