Re: [Qemu-devel] run qemu with x86_64 arch (host arch)

[KONRAD Frederic]

Le 19/04/2016 23:10, Marwa Hamza a écrit :
> hello
> i'm trying to run qemu with x86_64 arch
> i prepared file system with busybox
> i got that elf file
> _install/bin/busybox:     format de fichier elf64-x86-64
> architecture: i386:x86-64, fanions 0x00000102:
> EXEC_P, D_PAGED
> adresse de départ 0x0000000000522024
> and i compiled linux kernel
> make ARCH=x86_64 x86_64_defconfig
> make ARCH=x86_64
> and i configured qemu
> ./configure --target-list=x86_64-softmmu --disable-vnc --enable-sdl
> --disable-kvm --enable-debug
> make
> then when i run qemu i got a kernel panic _ not syncing vfs :unable to
> mount rootfs on unknown block(1,0)
> ./x86_64-softmmu/qemu-system-x86_64  -M pc -kernel
> /linux-4.1.18/arch/x86_64/boot/bzImage -initrd
> /busybox-1.21.0/rootfs.img.gz -append "root=/dev/ram rdinit=/bin/sh"
> thanks

Hi,

The complete end of the log would help, but I might have two clues for you:

Do you have enabled ramdisk support in your kernel configuration?
What is the format of rootfs.img.gz? Is that supported by your kernel?

Fred