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Laine Stump
2f2ed992c0
qemu: prevent termination of guests w/hostdev on driver reconnect
This should resolve: https://bugzilla.redhat.com/show_bug.cgi?id=959191 The problem was that qemuUpdateActivePciHostdevs was returning 0 (success) when no hostdevs were present, but would otherwise return -1 (failure) even when it completed successfully. It is only called from qemuProcessReconnect(), and when qemuProcessReconnect got back an error, it would not only stop reconnecting, but would terminate the guest qemu process "to remove danger of it ending up running twice if user tries to start it again later". (This bug was introduced in commit 011cf7ad, which was pushed between v1.0.2 and v1.0.3, so all maintenance branches from v1.0.3 up to 1.0.5 will need this one line patch applied.) (cherry picked from commit 2ea45647bcde23cff5da48f725561ff5ba3fba39)
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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>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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