On Wed, Jul 16, 2014 at 10:57:39PM -0400, Sasha Levin wrote: > On 07/14/2014 06:06 AM, Paul E. McKenney wrote: > > From: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> > > > > Currently, RCU spawns kthreads from several different early_initcall() > > functions. Although this has served RCU well for quite some time, > > as more kthreads are added a more deterministic approach is required. > > This commit therefore causes all of RCU's early-boot kthreads to be > > spawned from a single early_initcall() function. > > > > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> > > Hey Paul, > > I've updated to today's -next and my VM started hanging on boot. Bisect > pointed out this patch. > > I don't have any further info right now, but can provide whatever you'll > find useful. Could you please add initcall_debug to qemu's -append list? If sysrq-T works that early, its output would be helpful as well. Your .config would also be helpful. Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html