Re: [linux-usb-devel] 2.6.18.2: lockdep warnings on rmmod ohci_hcd

[Alan Stern <stern@rowland.harvard.edu>]

On Mon, 6 Nov 2006, Andrey Borzenkov wrote:

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> On Monday 06 November 2006 17:18, Arjan van de Ven wrote:
> > On Mon, 2006-11-06 at 15:46 +0300, Andrey Borzenkov wrote:
> > > I presume this is lockdep; this looks initially truncated,
> > > unfortunately this
> > > is how it was stored in messages. I will try to get more complete
> > > output ig
> > > required.
> >
> > the interesting bits are missing unfortunately (the first 10 lines or
> > so).
> >
> > Also this will be in "dmesg" if your system actually survives...
> 
> well, dmesg had exactly the same contents. Here full dmesg with increased 
> LOG_SHIFT.

I always find it rather difficult to understand the meaning of lockdep 
warnings, but this looks a bug that was fixed in 2.6.19-rc1.  The patch 
that fixed it is here:

http://marc.theaimsgroup.com/?l=linux-usb-devel&m=115938807428103&w=2

Alan Stern

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