Re: [BUG] 2.6.30-rc4 hid bluetooth not working

Marcel Holtmann
2009-04-30T22:34:14Z

Hi Jiri,

> > > > My bluetooth keyboard is not working any more in rc4, but was
> > > > working in rc3. Here is the dmesg output, triggered by the first key
> > > > press on the keyboard, fortunately, this is 100% reproductible (once
> > > > per boot).
> > > Does reverting f3784d834c7 fix the problem?
> > we have seen a similar report where reverting f3784d834c7 didn't fix it.
> > And I don't see anything wrong with that patch. Did something important
> > got changed in the work queue code that I am missing?
>
> Calling flush() from work->func() is not safe. That's what the WARN_ON()
> in flush_cpu_workqueue() is there for, right?

I don't know since this got changed in 2.6.30-rc1. I do have this kernel
running and I have seen the WARN_ON() only once. However I have never
seen a NULL pointer because of this patch.

Regards

Marcel