Re: virgl avocado hang

[Richard Henderson]

On 6/27/22 16:10, Marc-André Lureau wrote:
> Could you describe how to reproduce? I naively --disable-virglrenderer and I 
> get:
>
> $ tests/venv/bin/avocado run tests/avocado/virtio-gpu.py
> Fetching asset from 
> tests/avocado/virtio-gpu.py:VirtioGPUx86.test_virtio_vga_virgl
> Fetching asset from 
> tests/avocado/virtio-gpu.py:VirtioGPUx86.test_virtio_vga_virgl
> Fetching asset from 
> tests/avocado/virtio-gpu.py:VirtioGPUx86.test_vhost_user_vga_virgl
> Fetching asset from 
> tests/avocado/virtio-gpu.py:VirtioGPUx86.test_vhost_user_vga_virgl
> JOB ID     : d9c5b65777777564d1d926fdfb58deaf0e967d15
> JOB LOG    : 
> /home/elmarco/avocado/job-results/job-2022-06-27T12.56-d9c5b65/job.log
>   (1/2) tests/avocado/virtio-gpu.py:VirtioGPUx86.test_virtio_vga_virgl: CANCEL: VirGL not 
> enabled? (0.08 s)
>   (2/2) tests/avocado/virtio-gpu.py:VirtioGPUx86.test_vhost_user_vga_virgl: CANCEL: Could 
> not find vhost-user-gpu (0.02 s)
> RESULTS    : PASS 0 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0 | CANCEL 
> 2
> JOB TIME   : 0.56 s

Ah, I beg your pardon -- virglrenderer is *not* disabled, I merely assumed it was.  But 
the effect is still there -- dead qemu not reaped, indefinite hang on the driver.

The end of the log is:

> 2022-06-27 17:32:19,746 stacktrace       L0045 ERROR|   Command: 
> ./qemu-system-x86_64 -display none -vga none -chardev 
> socket,id=mon,path=/var/tmp/avo_qemu_sock_4j1r4bdf/qemu-245052-7f2a8c8a3bb0-monitor.sock
>  -mon chardev=mon,mode=control -chardev 
> socket,id=console,path=/var/tmp/avo_qemu_sock_4j1r4bdf/qemu-245052-7f2a8c8a3bb0-console.sock,server=on,wait=off
>  -serial chardev:console -cpu host -m 2G -machine pc,accel=kvm -device 
> virtio-vga-gl -display egl-headless -kernel 
> /home/rth/avocado/data/cache/by_location/892ae21f3ae7d04994d81e1c0bf204ecebe555bb/vmlinuz
>  -initrd 
> /home/rth/avocado/data/cache/by_location/892ae21f3ae7d04994d81e1c0bf204ecebe555bb/initrd.img
>  -append printk.time=0 console=ttyS0 rdinit=/bin/bash

> 2022-06-27 17:32:19,746 stacktrace       L0045 ERROR|   Output: 
> qemu-system-x86_64: -display egl-headless: Parameter 'type' does not accept 
> value 'egl-headless'


if that helps.


r~