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11e44d66fd
https://bugzilla.redhat.com/show_bug.cgi?id=1035955 There's a window when starting a qemu process between fork() and exec() during which we are doing things that may fail but not tunnelling the error to the daemon. This is basically all within qemuProcessHook(). So whenever we fail in something, e.g. placing a process onto numa node, users are left with: error: Child quit during startup handshake: Input/output error while the original error is thrown into the domain log: libvirt: error : internal error: NUMA memory tuning in 'preferred' mode only supports single node Hence, we should read the log file and search for the error message and report it to users. Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>