performance: 0.672 device: 0.642 semantic: 0.631 graphic: 0.625 hypervisor: 0.624 architecture: 0.580 mistranslation: 0.575 user-level: 0.538 virtual: 0.495 debug: 0.478 network: 0.442 i386: 0.428 socket: 0.380 permissions: 0.361 x86: 0.340 kernel: 0.337 peripherals: 0.325 register: 0.312 ppc: 0.258 assembly: 0.244 PID: 0.234 vnc: 0.201 boot: 0.169 risc-v: 0.161 VMM: 0.155 files: 0.153 arm: 0.137 TCG: 0.126 KVM: 0.119 qcow2 double free version 0.14.1 when using qcow2 images, after some time, glibc detects a double free or corruption. On Sun, May 22, 2011 at 8:58 AM, Andrew Kroll