Please version bump to the latest version, 1.9.12 (released 2017-12-13). https://github.com/jackaudio/jack2/releases/tag/v1.9.12
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=17f973d53dd876580862756aba525b7bd25b12af commit 17f973d53dd876580862756aba525b7bd25b12af Author: Karl Linden <karl.j.linden@gmail.com> AuthorDate: 2017-12-14 06:42:38 +0000 Commit: Patrice Clement <monsieurp@gentoo.org> CommitDate: 2017-12-20 22:34:41 +0000 media-sound/jack2: version bump to 1.9.12. Closes: https://bugs.gentoo.org/640984 Package-Manager: Portage-2.3.18, Repoman-2.3.6 media-sound/jack2/Manifest | 1 + media-sound/jack2/jack2-1.9.12.ebuild | 91 +++++++++++++++++++++++++++++++++++ 2 files changed, 92 insertions(+)