device: 0.807 socket: 0.797 graphic: 0.796 network: 0.698 mistranslation: 0.658 ppc: 0.599 PID: 0.506 vnc: 0.504 register: 0.494 permissions: 0.476 kernel: 0.474 user-level: 0.473 files: 0.459 architecture: 0.393 boot: 0.370 arm: 0.364 TCG: 0.361 performance: 0.355 debug: 0.334 semantic: 0.324 risc-v: 0.315 VMM: 0.277 i386: 0.236 hypervisor: 0.234 x86: 0.200 virtual: 0.195 KVM: 0.135 peripherals: 0.066 assembly: 0.046 ‘qemu-img info replication:’ causes segfault Typing the literal command ‘qemu-img info replication:’ causes a segfault. Note that ‘replication:’ is not a filename. $ ./qemu-img info replication: qemu-img: block.c:2609: bdrv_open_inherit: Assertion `!!(flags & BDRV_O_PROTOCOL) == !!drv->bdrv_file_open' failed. Aborted (core dumped) This was originally found by Han Han and reported in Fedora: https://bugzilla.redhat.com/show_bug.cgi?id=1505652 Fixed here: https://git.qemu.org/?p=qemu.git;a=commitdiff;h=cb83d2efe1f591cdc7