On Mon, 2010-06-28 at 09:49 -0700, Paul E. McKenney wrote:
> And it does appear to be reproducible perhaps 50% of boots running
> CONFIG_PREEMPT on kernel-ml8. I have not yet seen it on any other
> system.
> Do you have a patch to instrument the interrupts so as to get the info
> you need, or shou
On Wed, Jun 09, 2010 at 06:08:54PM -0700, Paul E. McKenney wrote:
> On Thu, Jun 10, 2010 at 09:20:08AM +1000, Benjamin Herrenschmidt wrote:
> > On Wed, 2010-06-09 at 14:52 -0700, Paul E. McKenney wrote:
> > > Hello!
> > >
> > > I get the following during boot on a 16 CPU Power box. Thoughts?
> >
liable)
> > [c0008e1afcd0] [c005cb60] .__schedule_bug+0xac/0xd0
> > [c0008e1afd70] [c05f0c34] .schedule+0xc0/0x894
> > [c0008e1afe40] [c00142d0] .cpu_idle+0x1f8/0x20c
> > [c0008e1afed0] [c00000600b08] .start_secondary+0x3bc/0x3fc
> > [c
ily 1
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> RPC: Registered tcp NFSv4.1 backchannel transport module.
> Trying to unpack rootfs image as initramfs...
> Freeing initrd memory: 2455k freed
> BUG: scheduling while atomic: swapper/0/0x0002
>
protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
Trying to unpack rootfs image as initramfs...
Freeing initrd memory: 2455k freed
BUG: scheduling while atomic: swapper/0/0x0002
no locks held by