On Mon, 14 Oct 2019, Guilherme G. Piccoli wrote: > Modules linked in: <...> > CPU: 40 PID: 78274 Comm: qemu-system-x86 Tainted: P W OE Tainted: P - Proprietary module loaded ... Try again without that module Tainted: W - Warning issued before Are you sure that that warning is harmless and unrelated? > 4.4.0-45-generic #66~14.04.1-Ubuntu Does the same problem happen with a not so dead kernel? CR2 handling got quite some updates/fixes since then. Thanks, tglx