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Date: Sun, 03 May 2009 11:39:00 +0200
From: Lee <lee-in-berlin@web.de>
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To: Randy Dunlap <randy.dunlap@oracle.com>
CC: linux-kernel@vger.kernel.org
Subject: Re: [BUG] 2.6.30-rc4: compile fail with CONFIG_DRM_I915=y
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Randy Dunlap wrote:
> Lee wrote:
>> Hi list,
>>
>> compiling 2.6.30-rc4 with following options will result in an compile
>> error:
>>
>> CONFIG_DRM_I915=y
>> CONFIG_ACPI_VIDEO=m
>>
>>
>> drivers/video/backlight/backlight.c: In function
>> ‘backlight_device_register’:
>> drivers/video/backlight/backlight.c:247: warning: format not a string
>> literal and no format arguments
>> drivers/video/output.c: In function ‘video_output_register’:
>> drivers/video/output.c:99: warning: format not a string literal and no
>> format arguments
>> drivers/usb/storage/libusual.c: In function ‘usu_probe_thread’:
>> drivers/usb/storage/libusual.c:159: warning: format not a string literal
>> and no format arguments
>> drivers/built-in.o: In function `intel_opregion_free':
>> (.text+0xaf051): undefined reference to `acpi_video_exit'
>> drivers/built-in.o: In function `intel_opregion_init':
>> (.text+0xaf411): undefined reference to `acpi_video_register'
>> make[1]: *** [.tmp_vmlinux1] Error 1
>> make[1]: Leaving directory `/home/randall/kernel-source'
>> make: *** [debian/stamp/build/kernel] Error 2
>>
>> Compiling the kernel with both options as module or both options
>> built-in results in a working kernel.
> 
> Len Brown posted a patch to fix this, although I can't find it in
> any email archives just now, so I'm appending it below.
> 
> 

Thanks! I'll keep an eye on it that it's merged for the next rc.