Public bug reported:
Steps to reproduce:
1) Set "seccomp_sandbox = 1" in /etc/libvirt/qemu.conf
2) stop libvirt-bin; start libvirt-bin
3) Define a VM using SDL graphic. Example XML extract:
<graphics type='sdl' display=':0' xauth='/home/simon/.Xauthority'/>
<video>
<model type='vmvga' vram='9216' heads='1'/>
</video>
4) xhost +SI:localgroup:kvm
5) Start the VM
Expected behavior: should display a usable SDL window
Problematic behavior: displays an empty SDL window
Workaround: don't use QEMU's seccomp_sandbox
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: libvirt-bin 1.2.2-0ubuntu13.1.15
ProcVersionSignature: Ubuntu 3.13.0-73.116-generic 3.13.11-ckt30
Uname: Linux 3.13.0-73-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Dec 11 20:39:00 2015
InstallationDate: Installed on 2014-01-26 (684 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140124)
KernLog:
SourcePackage: libvirt
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.libvirt.qemu.conf: [inaccessible: [Errno 13] Permission
denied: '/etc/libvirt/qemu.conf']
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed trusty
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https://bugs.launchpad.net/bugs/1525457
Title:
QEMU seccomp_sandbox prevents local SDL graphic from working
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