Re: i8042 lockdep false positive.

From: Dmitry Torokhov
Date: Fri Apr 13 2007 - 16:16:19 EST


On 4/13/07, Dave Jones <davej@xxxxxxxxxx> wrote:
On Fri, Apr 13, 2007 at 03:18:32PM -0400, Dmitry Torokhov wrote:
> Hi Dave,
>
> On 4/13/07, Dave Jones <davej@xxxxxxxxxx> wrote:
> > I just had a user file the report below, which iirc, was deemed a false
> > positive. Didn't we add something to the code so that lockdep would
> > ignore what this was doing ? Did we regress?
> >
>
> For some reasn lockdep annotations cease to work when you reload
> psmouse module. I did not have time to look further.

In the case reported, psmouse was non-modular.


OK, I was not precise. Every time we destroy and re-create passthrough
port lockdep starts bitching. For some reason annotation works only
once.

I am more quirious why synaptics could not simply reconnect upon
resume and went into full-blown cleanup/find driver/connect cycle...

--
Dmitry
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