There should be some easy way to go from builds (eg tgrid) to errors.yoctoproject.org. One idea would be an "errors" link in the left-most column below the commit SHA to the search form at errors.yp for that SHA (http://errors.yoctoproject.org/Errors/Search/Args/?items=10&query=ff8a0c9d79af)
http://git.yoctoproject.org/cgit/cgit.cgi/yocto-autobuilder/commit/?id=98bf95e2cc6ea52c5e7141cc91b028fd5a5a547e