needinfo canceled: [Bug 589959] perf callchain doesn't work on x86_64

[Red Hat Bugzilla]

Product: Fedora
Version: rawhide
Component: kernel

Josh Boyer <jwboyer(a)redhat.com&gt; has canceled Bug Zapper
<triage(a)lists.fedoraproject.org&gt;&#39;s request for needinfo:
Bug 589959: perf callchain doesn't work on x86_64
https://bugzilla.redhat.com/show_bug.cgi?id=589959