Re: [Qemu-devel] [Qemu-ppc] [Bug 1674925] Re: Qemu PPC64 kvm no display if --device virtio-gpu-pci is selected

[luigiburdo]

Hello Cédric,

with your last message you made me think about and make more test.

>The default machine for qemu-system-ppc64 is pseries.
yes usually with 2.8 i  boot  the VM without issue on G5 Quad  with the option  
-M  pseries from 2.1 to 2.5 with kvm-pr enabled.
i did the tests and with all pseries now on 2.9 i have the same issue.
example:
qemu-system-ppc64 --enable-kvm -cpu 970fx_v2.0 -m 1024 -M pseries-2.1
qemu-system-ppc64: KVM and IRQ_XICS capability must be present for in-kernel 
XICS

but no issue if i run with -M mac99 before 2.9 was not possible use it on 
qemu-system-ppc64
It means it will no possible anymore in future release of qemu use open 
firmware on powermacs any moore?


>I admit the message is not very clear, but the host kernel is
>using a dev config.

Im so sorry, i learn English by my self reading ml and on irc chatting
is too difficult where no one speak English  around.

>> On Qoriq if i pass the -cpu e500 (normal thing) all is working right qemu 
>> 2.9rc1
>> all boot and so and so.
>but you must be changing the machine right ?
not on Qoriq because it is book3e and is not so flexible like the G5 Quad who 
is book3s machine.
i can run qemu kvm only with emb hardware on Qoriq

>>On G5 the -cpu variable dont fix the issue.
>with which machine ?
On PowerMac G5 Quad 970MP it have similar hardware configuration of IBM 
intellistation power 285

> >I can build a new kernel release , usually mine dont have xics enabled 
> >because G5
>> dont have that feature, if needed i can enable it for testing.**
>Yes that would be interesting.

I will do ASAP just the time to build it .

Thank you really much for your time and patience.
Luigi
________________________________

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1674925

Title:
  Qemu PPC64 kvm no display if  --device virtio-gpu-pci is selected

Status in QEMU:
  New

Bug description:
  Hi,
  i did many tests on qemu 2.8 on my BE machines and i found an issue that i 
think was need to be reported

  Test Machines BE 970MP

  if i setup qemu with

  qemu-system-ppc64 -M 1024 --display sdl(or gtk),gl=on --device virtio-
  gpu-pci,virgl --enable-kvm and so and so

  result is doubled window one is vga other is virtio-gpu-pci without
  any start of the VM . pratically i dont have any output of openbios
  and on the virtual serial output

  the same issue i found is if i select:
  qemu-system-ppc64 -M 1024 --display gtk(or sdl) --device virtio-gpu-pci 
--enable-kvm and so and so

  
  i had been try to change all the -M types of all kind of pseries without any 
positive result.

  Ciao 
  Luigi

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1674925/+subscriptions