[Qemu-discuss] Does VBox do the right thing when it creates differencing images for *.qed/*.qcow?

2016-12-13 Thread Basin Ilya
Hi. I have been using qemu-kvm for a couple of months with *.qcow2 images and I noticed that making a snapshot does not create a new file. Instead it stores everything in the same image file. Looks like the clusters have some kind of reference counting (just like in LVM thin or BTRFS). When you wr

[Qemu-discuss] Running callbacks on instruction fetches and data accesses

2016-12-13 Thread David Vernet
Hello Qemu users, I am interested in using Qemu for a research project of mine, and I was curious if it was possible to, for a kernel running on Qemu, run a callback on instruction fetches and data accesses. In the context of Simics (an x86 emulator), this can be accomplished by creating a module

[Qemu-discuss] qemu-system-x86_64 hangs in 1024 x 768 Graphic mode when using -curses

2016-12-13 Thread Kevin Wilson
Hi, I have this setup: - Ubuntu Server 14.04.1: - QEMU version 2.2.0: qemu-system-x86_64 --version QEMU emulator version 2.2.0 (Debian 2:2.2+dfsg-5expubuntu8+contrail3), Copyright (c) 2003-2008 Fabrice Bellard I had downloaded fedora 21 installation iso: Fedora-Live-Workstation-x86_64-21-5.iso

Re: [Qemu-discuss] qemu-system-x86_64 hangs in 1024 x 768 Graphic mode when using -curses

2016-12-13 Thread Vincenzo Romano
I presume that your Fedora is trying to use a graphics mode to display its logo and fancy boot progression bar. Try using another quemu-system binary with graphics support (like -spice). -- Vincenzo Romano - NotOrAnd.IT -- NON QVIETIS MARIBVS NAVTA PERITVS 2016-12-13 16:42 GMT+01:00 Kevin Wilson