Re: unable to handle paging request in worker_thread on apm resume

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On Wed, Mar 23, 2005 at 02:33:44AM -0800, Andrew Morton wrote:
> Seems that there's a `struct work_struct' which is still registered but its
> memory has been freed.  It's likely that CONFIG_DEBUG_PAGEALLOC caught this.
> 
> Either that, or some module got unloaded without flushing its workqueue.
> 
> Are you using any modules which do schedule_work()?

No.

> Have you added any code which does schedule_work()?

Hm, I don't think so.  But of course I have some nfsv4 patches, and the
nfsv4 nfsd code does use schedule_delayed_work().  It's possible the
cleanup is wrong, and that bringing nfsd up and down could get nfsv4
into some bad state.  I'll take a look.  Would that explain this?

I'm not claiming this is a recent regression, by the way; apm resume has
always had intermittent problems on this laptop.  It's only recently
that I've actually tried to pay attention to those problems.  (Bad me!)

--b.
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