linux-kernel - Re: 2.6.18-rc2: depmod warning for backlight.ko

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Date:	Tue, 18 Jul 2006 19:56:43 +0800
From:	"Antonino A. Daplas" <adaplas@...il.com>
To:	Matt Reuther <mreuther@...ch.edu>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.18-rc2: depmod warning for backlight.ko

Matt Reuther wrote:
> Hi, Antonino.
> 
> I am still getting warnings on depmod with the 2.6.18-rc2 kernel:
> 
>   INSTALL sound/usb/snd-usb-audio.ko
>   INSTALL sound/usb/snd-usb-lib.ko
>   INSTALL sound/usb/usx2y/snd-usb-usx2y.ko
> if [ -r System.map -a -x /sbin/depmod ]; then /sbin/depmod -ae -F System.map  
> 2.6.18-rc2; fi
> WARNING: /lib/modules/2.6.18-rc2/kernel/drivers/video/backlight/backlight.ko 
> needs unknown symbol fb_unregister_client
> WARNING: /lib/modules/2.6.18-rc2/kernel/drivers/video/backlight/backlight.ko 
> needs unknown symbol fb_register_client
> 
> You posted a patch here a few days ago for 2.6.18-rc1-mm1 which fixes this 
> issue. Basically, the USB Apple Cinema display driver selects backlight 
> support, but backlight needs some things from framebuffer, which is turned 
> off. Kconfig does not recursively select CONFIG_FB, so backlight ends up with 
> unresolved symbols.
> 

The patch is still in the -mm tree. They're all in Ottawa right now, so this
will have to wait.

Tony

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