问题：failed to find romfile "vgabios-stdvga.bin"
解决：
apt-get install vgabios
ln -s /usr/share/vgabios/vgabios.stdvga.bin /usr/share/qemu/vgabios-stdvga.bin
root@ostack1:/var/cache/apt/archives# ll /usr/share/vgabios/ 总用量 344 drwxr-xr-x 2 root root 4096 8月 11 09:00 ./ drwxr-xr-x 139 root root 4096 8月 11 09:00 ../ -rw-r--r-- 1 root root 41472 2月 17 2016 vgabios.bin lrwxrwxrwx 1 root root 18 2月 17 2016 vgabios-cirrus.bin -> vgabios.cirrus.bin -rw-r--r-- 1 root root 36352 2月 17 2016 vgabios.cirrus.bin -rw-r--r-- 1 root root 36352 2月 17 2016 vgabios.cirrus.debug.bin -rw-r--r-- 1 root root 42496 2月 17 2016 vgabios.debug.bin lrwxrwxrwx 1 root root 15 2月 17 2016 vgabios-qxl.bin -> vgabios.qxl.bin -rw-r--r-- 1 root root 41472 2月 17 2016 vgabios.qxl.bin -rw-r--r-- 1 root root 42496 2月 17 2016 vgabios.qxl.debug.bin lrwxrwxrwx 1 root root 18 2月 17 2016 vgabios-stdvga.bin -> vgabios.stdvga.bin lrwxrwxrwx 1 root root 11 2月 17 2016 vgabios.stdvga.bin -> vgabios.bin lrwxrwxrwx 1 root root 17 2月 17 2016 vgabios.stdvga.debug.bin -> vgabios.debug.bin lrwxrwxrwx 1 root root 18 2月 17 2016 vgabios-vmware.bin -> vgabios.vmware.bin -rw-r--r-- 1 root root 41472 2月 17 2016 vgabios.vmware.bin -rw-r--r-- 1 root root 42496 2月 17 2016 vgabios.vmware.debug.bin
root@ostack1:/var/cache/apt/archives# ll /usr/share/qemu/ 总用量 312 drwxr-xr-x 4 root root 4096 8月 11 09:04 ./ drwxr-xr-x 139 root root 4096 8月 11 09:00 ../ drwxr-xr-x 2 root root 4096 8月 10 19:52 init/ drwxr-xr-x 2 root root 4096 8月 10 19:54 keymaps/ lrwxrwxrwx 1 root root 26 3月 2 2016 pxe-e1000.rom -> ../../lib/ipxe/82540em.rom lrwxrwxrwx 1 root root 21 3月 2 2016 pxe-ne2k_isa.rom -> ../../lib/ipxe/ne.rom lrwxrwxrwx 1 root root 26 3月 2 2016 pxe-pcnet32.rom -> ../../lib/ipxe/pcnet32.rom lrwxrwxrwx 1 root root 26 3月 2 2016 pxe-rtl8139.rom -> ../../lib/ipxe/rtl8139.rom lrwxrwxrwx 1 root root 29 3月 2 2016 pxe-virtio.rom -> ../../lib/ipxe/virtio-net.rom -rw-r--r-- 1 root root 630 4月 25 2018 qemu-icon.bmp -rw-r--r-- 1 root root 30955 4月 25 2018 qemu_logo_no_text.svg -rw-r--r-- 1 root root 262511 8月 9 11:54 trace-events-all lrwxrwxrwx 1 root root 37 8月 11 09:04 vgabios-stdvga.bin -> /usr/share/vgabios/vgabios.stdvga.bin