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If a stream gets a server initiated abort, the client may still send an abort request before it receives the server side abort. This causes the server to send back another abort for the stream. Since the protocol defines that abort is the last thing to be sent, the client gets confused by this second abort from the server. If the stream is already shutdown, just drop any client requested abort, rather than sending back another message. This fixes the regression from previous versions. Tested as follows In one virsh session virsh # start foo virsh # console foo In other virsh session virsh # destroy foo The first virsh session should be able to continue issuing commands without error. Prior to this patch it saw virsh # list error: Failed to list active domains error: An error occurred, but the cause is unknown virsh # list error: Failed to list active domains error: no call waiting for reply with prog 536903814 vers 1 serial 9 * src/rpc/virnetserverprogram.c: Drop abort requests for streams which no longer exist
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>