On Mon, 30 Apr 2018 17:01:04 +0000 Joel Fernandes <[email protected]> wrote: Tried 4.17-rc3 and see it too. Could be difference in configs? Also, the > environment is a Qemu system with single CPU 1GB memory. Attached is the > config. > > I think when I had multiple CPUs it was harder to trigger it, but can't > really remember now. There was a time when triggering it was quite > intermittent. >
Bah, I didn't have CONFIG_DEBUG_LOCKDEP enabled, and that is what does the backtrace. -- Steve
