Re: [patch, -rc5-mm1] lock validator, fix NULL type->name bug

Mike Galbraith
2006-05-30T12:04:02Z

On Tue, 2006-05-30 at 14:02 +0200, Ingo Molnar wrote:
> * Mike Galbraith <efault@gmx.de> wrote:
>
> > On Tue, 2006-05-30 at 13:11 +0200, Ingo Molnar wrote:
> > > Subject: lock validator, fix NULL type->name bug
> > > From: Ingo Molnar <mingo@elte.hu>
> > >
> > > this should fix the bug reported Mike Galbraith: pass in a non-NULL
> > > mutex name string even if DEBUG_MUTEXES is turned off.
> >
> > Well, yes and no. It cures the oops, and it almost boots. It passes
> > all tests, and gets to where we start mounting things...
> >
> > kjournald starting. Commit interval 5 seconds
> > EXT3 FS on hdc1, internal journal
> > EXT3-fs: mounted filesystem with ordered data mode.
> >
> > =====================================================
> > [ BUG: possible circular locking deadlock detected! ]
> > -----------------------------------------------------
> > mount/2545 is trying to acquire lock:
> > (&ni->mrec_lock){--..}, at: [<b13d1563>] mutex_lock+0x8/0xa
> >
> > ...and deadlocks.
>
> hm, and no other messages? Are you using serial logging?

nada. Yes, serial console.

-Mike