Re: [PATCH] Re: [2.6.20] BUG: workqueue leaked lock

Oleg Nesterov
2007-03-21T18:12:45Z

On 03/21, Oleg Nesterov wrote:
>
> On 03/21, Jarek Poplawski wrote:
> >
> > So, if
> > you have another idea for looking after it, let us know.
>
> No, I don't.

Perhaps we can add lockdep_depth() checks to laundromat_main/nfs4_laundromat
to rule out workqueue.c. According to the trace, we return with client_mutex
held, this seems impossible. So we can also print the value of mutex_is_locked()
if lockdep_depth() != 0.

Oleg.