Re: [BUG] qemu git error with virgl

[Torsten Wohlfarth <towo@siduction.org>]

Hi Igor,

yes, that fixes my issue.

Regards, Torsten

Am 04.01.21 um 19:50 schrieb Igor Mammedov:
> On Sun, 3 Jan 2021 18:28:11 +0100
> Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
>
>> Cc'ing Gerd + patch author/reviewer.
>>
>> On 1/2/21 2:11 PM, Torsten Wohlfarth wrote:
>>> Hello,
>>>
>>> i can't start any system if i use virgl. I get the following error:
>>>
>>> qemu-x86_64: ../ui/console.c:1791: dpy_gl_ctx_create: Assertion
>>> `con->gl' failed.
> Does following fix issue:
>    [PULL 12/55] vl: initialize displays _after_ exiting preconfiguration
>
>>> ./and.sh: line 27: 3337167 Aborted                 qemu-x86_64 -m 4096
>>> -smp cores=4,sockets=1 -cpu host -machine pc-q35-4.0,accel=kvm -device
>>> virtio-vga,virgl=on,xres=1280,yres=800 -display sdl,gl=on -device
>>> intel-hda,id=sound0,msi=on -device
>>> hda-micro,id=sound0-codec0,bus=sound0.0,cad=0 -device qemu-xhci,id=xhci
>>> -device usb-tablet,bus=xhci.0 -net
>>> nic,macaddr=52:54:00:12:34:62,model=e1000 -net
>>> tap,ifname=$INTERFACE,script=no,downscript=no -drive
>>> file=/media/daten2/image/lineageos.qcow2,if=virtio,index=1,media=disk,cache=none,aio=threads
>>>
>>> Set 'tap3' nonpersistent
>>>
>>> i have bicected the issue:
>>>    
>>> towo:Defiant> git bisect good
>>> b4e1a342112e50e05b609e857f38c1f2b7aafdc4 is the first bad commit
>>> commit b4e1a342112e50e05b609e857f38c1f2b7aafdc4
>>> Author: Paolo Bonzini <pbonzini@redhat.com>
>>> Date:   Tue Oct 27 08:44:23 2020 -0400
>>>
>>>      vl: remove separate preconfig main_loop
>>>
>>>      Move post-preconfig initialization to the x-exit-preconfig. If
>>> preconfig
>>>      is not requested, just exit preconfig mode immediately with the QMP
>>>      command.
>>>
>>>      As a result, the preconfig loop will run with accel_setup_post
>>>      and os_setup_post restrictions (xen_restrict, chroot, etc.)
>>>      already done.
>>>
>>>      Reviewed-by: Igor Mammedov <imammedo@redhat.com>
>>>      Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>>>
>>>   include/sysemu/runstate.h |  1 -
>>>   monitor/qmp-cmds.c        |  9 -----
>>>   softmmu/vl.c              | 95
>>> ++++++++++++++++++++---------------------------
>>>   3 files changed, 41 insertions(+), 64 deletions(-)
>>>
>>> Regards,
>>>
>>> Torsten Wohlfarth
>>>
>>>
>>>    
>>