linux-kernel - Re: [PATCH] Fix /proc/fb oops after module removal

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Message-ID: <20080413084247.245d4711@laptopd505.fenrus.org>
Date:	Sun, 13 Apr 2008 08:42:47 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Alexey Dobriyan <adobriyan@...il.com>, adaplas@...il.com,
	linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net
Subject: Re: [PATCH] Fix /proc/fb oops after module removal

On Sat, 12 Apr 2008 15:20:06 -0700
Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Sun, 13 Apr 2008 01:10:29 +0400 Alexey Dobriyan
> <adobriyan@...il.com> wrote:
> 
> > /proc/fb is not removed during rmmod.
> > 
> > Steps to reproduce:
> > 
> > 	modprobe fb
> > 	rmmod fb
> > 	ls /proc
> > 

> 
> hm, that's the sort of thing which one would expect people to notice
> fairly soon after we added the bug.  Yet it appears that the bug is
> present in at least 2.6.20 and probably earlier.

rmmod is generally a rare operation... esp for something like a framebuffer

wonder if we need a scripted action that loads all modules and then tries to 
unload the ones it can

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