So, why doesn't QEMU support external checkpoints? (ie an option where checkpoints each get written to a new file.)
-----Original Message----- From: Qemu-discuss <qemu-discuss-bounces+leek2=llnl....@nongnu.org> On Behalf Of Peter Maydell Sent: Wednesday, December 1, 2021 9:11 AM To: Динар Талибуллин <dinar...@gmail.com> Cc: qemu-discuss@nongnu.org Subject: Re: Save qemu state On Wed, 1 Dec 2021 at 14:14, Динар Талибуллин <dinar...@gmail.com> wrote: > > Hello. Is it possible to save qemu state if image is in *. elf format? > I tried to do it in qemu monitor, but it require qcow2 format You need QEMU to know about one disk which is in qcow2 format, so it can save the state there, but that disk doesn't actually have to be attached to the emulated machine. This blog post has a note on how to do that: https://urldefense.us/v3/__https://translatedcode.wordpress.com/2015/07/06/tricks-for-debugging-qemu-savevm-snapshots/__;!!G2kpM7uM-TzIFchu!m3xbK4CoKKh7PSXBOyAvLwSMVOMcUtGC2p2XsSROlweyhgOgW7Y9Eigo-wp7yaw$ (look for the bit starting "If the QEMU system you’re trying to debug doesn’t have a disk image at all".) -- PMM
