** Tags added: kernel-da-key ** Changed in: linux (Ubuntu) Importance: Undecided => Medium
** Also affects: linux (Ubuntu Artful) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Artful) Importance: Undecided => Medium ** Changed in: linux (Ubuntu Artful) Status: New => Confirmed ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) ** Changed in: linux (Ubuntu Artful) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) ** Changed in: linux (Ubuntu Artful) Status: Confirmed => Triaged ** Changed in: linux (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1769027 Title: perf record crash: refcount_inc assertion failed Status in linux package in Ubuntu: Triaged Status in linux source package in Artful: Triaged Bug description: On linux-hwe-tools-4.13.0-39 in xenial: Trying to run perf record ... --cgroup=mycgroup causes an immediate assertion failure: refcount_inc: Assertion `!(!refcount_inc_not_zero(r))' failed. Confirmed fixed by patching my linux-tools package with this upstream commit (on top of the commit in bug #1767204): https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux- stable.git/commit/tools/perf/util/cgroup.c?id=cd8dd032f61abeb08d2c03bab4968a9de231a1be To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1769027/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp