On 10/28/2014 10:28 PM, Michal Privoznik wrote: > On 28.10.2014 15:31, Eric Blake wrote: >> https://bugzilla.redhat.com/show_bug.cgi?id=1140981 reports that >> the qemu-kvm shipped as part of RHEL 7.0 intentionally cripples >> block jobs by removing the 'block-stream' QMP command, but that >> our probe for whether block jobs work was merely whether >> 'block-job-cancel' exists. Meanwhile, older qemu spelled the >> two commands block_stream and block_job_cancel. We know of no >> qemu build that has block-stream while lacking block-job-cancel, >> so it is easiest to change our witness to the command that >> starts a job rather than ends one. On RHEL, this results in >> changing the message from an ugly: >> >> error: Requested operation is not valid: Command 'block-stream' is >> not found >> >> to a nicer: >> >> error: unsupported configuration: block jobs not supported with this >> qemu binary >> > > ACK and safe for the freeze. Pushed. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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