[poky] Trouble running Poky 2.7 qemu-x86 build

[Geoff Shannon]

Hi all, I'm trying to get started using Poky to build a custom image to run
on a beaglebone black.  I started off by trying to follow the Yocto Project
Quickstart and I'm stuck at getting the image to run on QEMU.  I'm new to
both Yocto Project and using QEMU so I expect I'm doing something simple
that's wrong but I haven't been able to figure it out.

I cloned the poky git repository, checked out tag yocto-2.7, ran `source
oe-init-build-env build`, setup my local.conf file with the contents in
file attached to this message, and then ran `bitbake core-image-sato`.

This appeared to complete successfully, so I then proceeded to try and test
the built image by running `runqemu qemux86`. This spit out this output,
and then proceeds to hang indefinitely.

```
runqemu - INFO - Running MACHINE=qemux86 bitbake -e...
runqemu - INFO - Continuing with the following parameters:

KERNEL:
[/home/geoff/prog/yocto/quick-build/poky/build/tmp/deploy/images/qemux86/bzImage--5.0.3+git0+f0b575cda6_3df4aae607-r0-qemux86-20190520070424.bin]
MACHINE: [qemux86]
FSTYPE: [ext4]
ROOTFS:
[/home/geoff/prog/yocto/quick-build/poky/build/tmp/deploy/images/qemux86/core-image-sato-qemux86-20190520070424.rootfs.ext4]
CONFFILE:
[/home/geoff/prog/yocto/quick-build/poky/build/tmp/deploy/images/qemux86/core-image-sato-qemux86-20190520070424.qemuboot.conf]

runqemu - INFO - Setting up tap interface under sudo
[sudo] password for geoff:
runqemu - INFO - Network configuration: 192.168.7.2::192.168.7.1:255
.255.255.0
runqemu - INFO - Running
/home/geoff/prog/yocto/quick-build/poky/build/tmp/work/x86_64-linux/qemu-helper-native/1.0-r1/recipe-sysroot-native/usr/bin/qemu-system-i386
-device virtio-net-pci,netdev=net0,mac=52:54:00:12:34:02 -netdev
tap,id=net0,ifname=tap0,script=no,downscript=no -drive
file=/home/geoff/prog/yocto/quick-build/poky/build/tmp/deploy/images/qemux86/core-image-sato-qemux86-20190520070424.rootfs.ext4,if=virtio,format=raw
-vga vmware -show-cursor -usb -device usb-tablet -object
rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0
-cpu pentium2 -m 256 -serial mon:vc -serial null -kernel
/home/geoff/prog/yocto/quick-build/poky/build/tmp/deploy/images/qemux86/bzImage--5.0.3+git0+f0b575cda6_3df4aae607-r0-qemux86-20190520070424.bin
-append 'root=/dev/vda rw highres=off  mem=256M ip=192.168.7.2:
:192.168.7.1:255.255.255.0 vga=0 uvesafb.mode_option=640x480-32
oprofile.timer=1 uvesafb.task_timeout=-1 '
```

I was under the impression that this would pop up a window with the built
image running in QEMU, but nothing happens.

In case it helps, the output of `uname -a` on my machine is:
Linux pop-os 4.18.0-17-generic #18~18.04.1-Ubuntu SMP Fri Mar 15 15:27:12
UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

If anyone has ideas about what is going wrong, further troubleshooting
suggestions I would very much appreciate it.  If there is a more suitable
place to ask for this kind of help my apologies and I would appreciate a
pointer to the correct place to get help.

Thanks,
Geoff

Nothing is ever easy.
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