Re: clockevents_program_event WARN_ON preventing boot.

From: Dave Jones
Date: Fri May 03 2013 - 16:10:54 EST


On Fri, May 03, 2013 at 08:32:58PM +0200, Thomas Gleixner wrote:
> On Fri, 3 May 2013, Dave Jones wrote:
> > On Fri, May 03, 2013 at 12:49:20AM +0200, Thomas Gleixner wrote:
> >
> > > I'm fundamentally confused and Daves observation about slub debug does
> > > not make it less confusing.
> > >
> > > It'd be nice if you could add some more instrumentation or bisect the
> > > issue.
> >
> > Here's what I ended up with..
> > b352bc1cbc29134a356b5c16ee2281807a7b984e is the first bad commit
> > commit b352bc1cbc29134a356b5c16ee2281807a7b984e
> > Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > Date: Tue Mar 5 14:25:32 2013 +0100
> >
> > tick: Convert broadcast cpu bitmaps to cpumask_var_t
> >
> > Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > Link: http://lkml.kernel.org/r/20130306111537.366394000@xxxxxxxxxxxxx
> > Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> >
>
> I bet you have CONFIG_CPUMASK_OFFSTACK enabled.
>
> /me is a moron and rumages for a brown paperbag.
>
> Patch below.

Works for me.

Tested-by: Dave Jones <davej@xxxxxxxxxx>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/