Hello, On Tue, Jan 19, 2016 at 08:36:18PM +0100, Christian Borntraeger wrote: > No, its not a task_struct. Activating some more debug information did indeed > revealed several other issues (overwritten redzones etc). Unfortunately I > only saw the broken things after the facts, so I do not know which code did that. > When I disabled the cgroup controllers in libvirt I was no longer able to trigger > the bugs. Still trying to narrow things down. Hmmm... that's worrying. CONFIG_DEBUG_PAGEALLOC sometimes can catch these sort of bugs red-handed. Might worth trying. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html