When I use this patch: diff --git a/src/util/iohelper.c b/src/util/iohelper.c index 8a3c377..255365c 100644 --- a/src/util/iohelper.c +++ b/src/util/iohelper.c @@ -307,6 +307,7 @@ main(int argc, char **argv) if (delete) unlink(path); + fprintf(stderr, _("goodbye world \n")); goto error; return 0; error: The output I see on the command line is: # virsh managedsave kvm1 error: Failed to save domain kvm1 state error: operation failed: domain save job: unexpectedly failed libvirtd outputs the following: 2014-07-30 14:39:39.765+0000: 5975: error : qemuMigrationUpdateJobStatus:1788 : operation failed: domain save job: unexpectedly failed I completed my testing with the following commit from master commit 221b1828f9bf9d1d59d2d4b318249de9f7ec7bb8 Author: Roman Bogorodskiy <bogorodskiy@gmail.com> Date: Thu Jul 24 19:52:11 2014 +0400 We appear to be getting different results. Can you try running out of disk space during a managed save and reporting what you get? Perhaps there is no code problem here after all? A quick look at my libvirtd.conf shows nothing obvious. I'm just using the default config file.