(setting to confirmed because this error isn't in the kernel logs) ** Description changed:
+ 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 ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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: Confirmed 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
