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Hot-unplugging a disk from a guest that supports hot-unplugging generates an error in the libvirt log when running QEMU with the "-msg timestamp=on" flag. 2015-08-06 10:48:59.945+0000: 11662: error : qemuMonitorTextDriveDel:2594 : operation failed: deleting drive-virtio-disk4 drive failed: 2015-08-06T10:48:59.945058Z Device 'drive-virtio-disk4' not found This error is caused because the HMP results are getting prefixed with a timestamp. Parsing the output is not reliable with STRPREFIX as the results can be prefixed with a timestamp. Using strstr ensures that parsing the output works whether the results are prefixed or not. Cc: Stefan Hajnoczi <stefanha@redhat.com> Cc: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Frank Schreuder <fschreuder@transip.nl>
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>