linux-kernel - Re: BUG: sleeping function called from invalid context at kernel/fork.c:385

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Message-Id: <20070530163413.87ecfe18.randy.dunlap@oracle.com>
Date:	Wed, 30 May 2007 16:34:13 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Christoph Lameter <clameter@....com>
Cc:	"Luck, Tony" <tony.luck@...el.com>, David Chinner <dgc@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>, linux-ia64@...r.kernel.org,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: BUG: sleeping function called from invalid context at
 kernel/fork.c:385

On Wed, 30 May 2007 16:31:35 -0700 (PDT) Christoph Lameter wrote:

> On Wed, 30 May 2007, Luck, Tony wrote:
> 
> > 
> > > `.exit.text' referenced in section `.init.text' of drivers/built-in.o: 
> > > defined in discarded section `.exit.text' of drivers/built-in.o
> > 
> > 
> > This one is a fatal error ... the code is trying to call a function
> > that has been marked __exit in a driver that has been built-in, instead
> > of as a module.  Since a builtin driver can never be unloaded, the kernel
> > has thrown away all the __exit routines (at link time).
> > 
> > The error message appears less than helpful in tracking down which
> > routine in which driver is the problem though.
> 
> Right. I have no idea where to look. The function has no name? Or is the 
> segment .exit.text referenced by namne in .init.text?

Maybe 'objdump drivers/built-in.o and then grep that output (file)
for /exit.text/ ...


---
~Randy
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