[Pkg-libvirt-maintainers] Bug#612036: Bug#612036: virt-manager: cannot use a local sdl window as a graphics option

[Guido Günther]

severity 612036 minor
retitle 612036 sdl requires special configuration
thanks,

On Sat, Feb 05, 2011 at 12:29:41PM +1100, david b wrote:
> Package: virt-manager
> Severity: important
> 
> 1. I configured a kvm guest to use a local sdl window. 
> 2. I then tried to boot the vm 
> 3. this did not work - I got an error stating "libvirtError: operation failed: failed to retrieve chardev info in qemu with 'info chardev'"
> 4. I chowned my Xauthority file to be owned by my user and the libvirt group - (and chmoded it 640).
> 5. I tried to launch the vm again.
> 6. - I encountered this -->
> "commandline read: virtio-blk-pci,b : Traceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/engine.py", line 808, in run_domain
>     vm.startup()
>   File "/usr/share/virt-manager/virtManager/domain.py", line 1296, in startup
>     self._backend.create()
>   File "/usr/lib/python2.6/dist-packages/libvirt.py", line 333, in create
>     if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
> libvirtError: internal error process exited while connecting to monitor: char device redirected to /dev/pts/18
> "

Unfortunately you didn't provide the domain log nor the domain
configuration (e.g.  it's not clear if you pass XAUTHORITY correctly).
However sdl works fine if:

clear_emulator_capabilities = 0
user = root
group = root

in /etc/libvirt/qemu.conf. Otherwise kvm fails with:

   ~~~~~~~~~~~~~~~~~~~~~~~~~~| DirectFB 1.2.10 |~~~~~~~~~~~~~~~~~~~~~~~~~~
        (c) 2001-2008  The world wide DirectFB Open Source Community
        (c) 2000-2004  Convergence (integrated media) GmbH
      ----------------------------------------------------------------

(*) DirectFB/Core: Single Application Core. (2010-06-30 18:37) 
(!) Direct/Util: opening '/dev/fb0' failed
    --> Operation not permitted
(!) DirectFB/FBDev: Error opening framebuffer device!
(!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER environment variable.
(!) DirectFB/Core: Could not initialize 'system_core' core!
    --> Initialization error!

Cheers,
 -- Guido

> and the vm doesn't boot.
> The /dev/pts/18 'file' has the following permissions:
> crw--w---- 1 myuser tty 136, 18 Feb  5 12:06 /dev/pts/18
> 
> 
> -- System Information:
> Debian Release: 6.0
>   APT prefers testing
>   APT policy: (500, 'testing'), (500, 'stable')
> Architecture: amd64 (x86_64)
> 
> Kernel: Linux 2.6.37 (SMP w/4 CPU cores)
> Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/bash
> 
> 
> 
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