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c033e21061
This patch addresses two concerns with the error reporting when an incompatible PCI address is specified for a device: 1) It wasn't always apparent which device had the problem. With this patch applied, any error about an incompatible address will always contain the full address as given in the config, so it will be easier to determine which device's config aused the problem. 2) In some cases when the problem came from bad config, the error message was erroneously classified as VIR_ERR_INTERNAL_ERROR. With this patch applied, the same error message will be changed to indicate either "internal" or "xml" error depending on whether the address came from the config, or was automatically generated by libvirt. Note that in the case of "internal" (due to bad auto-generation) errors, the PCI address won't be of much use in finding the location in config to change (because it was automatically generated). Of course that makes perfect sense, but still the address could provide a clue about a bug in libvirt attempting to use a type of pci bus that doesn't have its flags set correctly (or something similar). In other words, it's not perfect, but it is definitely better.
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>