[PATCH linux v2] net/ncsi: Fix possible deadlock caught with lockdep

Cyril Bur cyrilbur at gmail.com
Mon Feb 29 14:24:19 AEDT 2016


On Mon, 29 Feb 2016 11:54:03 +1030
Joel Stanley <joel at jms.id.au> wrote:

> On Fri, Feb 26, 2016 at 4:40 PM, OpenBMC Patches
> <openbmc-patches at stwcx.xyz> wrote:
> > From: Cyril Bur <cyrilbur at gmail.com>
> >
> > Bringing the interfaces down with ifdown -a directly after boot causes a
> > lockdep warning. It appears that a network interrupt would result in an
> > attempt to acquire that lock again.
> >
> > The solution is to soft disable interrupts.  
> 
> Thanks. So we can boot with and without lockdep enabled and the
> interface always comes up now?
> 

Yes.

> Cheers,
> 
> Joel



More information about the openbmc mailing list