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" <paul...@linux.vnet.ibm.com>
> >
> > 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 <paul...@linux.vnet.ibm.com>
>
> 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
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