This crash is observed in a Docker container with the following underlying Linux system:
$ uname -a
Linux e095b352e16a 5.10.109-0-virt #1-Alpine SMP Mon, 28 Mar 2022 11:20:52 +0000 x86_64 x86_64 x86_64 GNU/Linux
$ ldd --version
ldd (Ubuntu GLIBC 2.27-3ubuntu1.6) 2.27
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.6 LTS
Release: 18.04
Codename: bionic
Calling
rack-mini-profiler
with the?pp=flamegraph
, this used to work well on earlier Ruby versions.This crash is observed in a Docker container with the following underlying Linux system: