linux-kernel - Re: Dependency bug in the uvcvideo Kconfig

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Message-ID: <523B5BD6.4000500@infradead.org>
Date:	Thu, 19 Sep 2013 13:17:26 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	"Jeff P. Zacher" <ad_sicks@...oo.com>,
	Peter Senna Tschudin <peter.senna@...il.com>,
	linux-media <linux-media@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Dependency bug in the uvcvideo Kconfig

On 09/18/13 20:44, Jeff P. Zacher wrote:
>  
> 
> You are correct that this problem shown in the forum was in 3.5.4. However, I am 
> having wither the same or similar problem in 3.10.7.
> Here is the broken config file, saved as .config-bad
> 

The failing kernel config file is attached.

>  
> 
>  
> 
> On Wednesday, September 18, 2013 03:52:36 PM you wrote:
> 
>> On 09/18/13 08:37, Peter Senna Tschudin wrote:
> 
>> > Hi Randy,
> 
>> >
> 
>> > I've tried to download the .config file from the link on the forum,
> 
>> > but it tries to install something in my browser and the file is not
> 
>> > downloadable for me. Can you provide it over an simpler interface such
> 
>> > as pastebin.com?
> 
>> >
> 
>> > Thanks
> 
>>
> 
>> The original poster (Jeff) should have mentioned that is is a build bug
> 
>> problem in Linux 3.5.4. Jeff, have you tried 3.5.7? I expect that this
> 
>> problem is already fixed, if not in 3.5.x then in some later kernel
> 
>> version.
> 
>>
> 
>> Jeff, also please provide the kernel .config file as an attachment here
> 
>> since the one posted in the forum does not download (or has been deleted).
> 
>> > On Wed, Sep 18, 2013 at 4:59 PM, Randy Dunlap <rdunlap@...radead.org> wrote:
> 
>> >> [adding linux-media mailing list]
> 
>> >>
> 
>> >> On 09/18/13 06:18, Jeff P. Zacher wrote:
> 
>> >>> Not subscribed, please CC'me in replies:
> 
>> >>>
> 
>> >>> There seems to be a dependency bug in the Kconfig for the uvcvideo
> 
>> >>> kernel
> 
>> >>> module. If uvcvideo is built in and usb support is built as a module,
> 
>> >>> the
> 
>> >>> kernel build will fail with the obviously missing dependanies.
> 
>> >>>
> 
>> >>>
> 
>> >>> Error logs:
> 
>> >>>
> 
>> >>> * ERROR: Failed to compile the "bzImage" target...
> 
>> >>> *
> 
>> >>> * -- Grepping log... --
> 
>> >>> *
> 
>> >>> * SHIPPED scripts/genksyms/keywords.hash.c
> 
>> >>> * SHIPPED scripts/genksyms/parse.tab.h
> 
>> >>> * SHIPPED scripts/genksyms/parse.tab.c
> 
>> >>> * HOSTCC scripts/genksyms/lex.lex.o
> 
>> >>> *scripts/genksyms/lex.lex.c_shipped: In function ‘yylex1’:
> 
>> >>> *scripts/genksyms/lex.lex.c_shipped:904:1: warning: ignoring return
> 
>> >>> value of ‘fwrite’, declared with attribute warn_unused_result
> 
>> >>> [-Wunused-result] *--
> 
>> >>> * CC drivers/video/console/font_8x16.o
> 
>> >>> * CC drivers/video/console/softcursor.o
> 
>> >>> * CC sound/core/seq/seq_memory.o
> 
>> >>> * CC drivers/video/console/fbcondecor.o
> 
>> >>> * CC sound/core/seq/seq_queue.o
> 
>> >>> *drivers/video/console/fbcondecor.c:511:6: warning: function declaration
> 
>> >>> isn’t a prototype [-Wstrict-prototypes]
> 
>> >>> *--
> 
>> >>> *(.text+0xf8fb1): undefined reference to `usb_submit_urb'
> 
>> >>> *drivers/built-in.o: In function `uvc_init':
> 
>> >>> *uvc_driver.c:(.init.text+0x908a): undefined reference to
> 
>> >>> `usb_register_driver'
> 
>> >>> *drivers/built-in.o: In function `uvc_cleanup':
> 
>> >>> *uvc_driver.c:(.exit.text+0x67e): undefined reference to
> 
>> >>> `usb_deregister'
> 
>> >>> *make: *** [vmlinux] Error 1
> 
>> >>> *--
> 
>> >>> * Running with options: --lvm --menuconfig all
> 
>> >>> * Using genkernel.conf from /etc/genkernel.conf
> 
>> >>> * Sourcing arch-specific config.sh from
> 
>> >>> /usr/share/genkernel/arch/x86_64/config.sh ..
> 
>> >>> * Sourcing arch-specific modules_load from
> 
>> >>> /usr/share/genkernel/arch/x86_64/modules_load ..
> 
>> >>> *
> 
>> >>> * ERROR: Failed to compile the "bzImage" target...
> 
>> >>> *
> 
>> >>> * -- End log... --
> 
>> >>>
> 
>> >>> Compiling uvc as a module allows the compilation to complete.
> 
>> >>>
> 
>> >>> Platform x86_64
> 
>> >>>
> 
>> >>> Ref: http://forums.gentoo.org/viewtopic-p-7398782.html#7398782
> 
>> >>>
> 
>> >>>
> 
>> >>> -- Jeff P. Zacher
> 
>> >>> ad_sicks@...oo.com
> 


-- 
~Randy

View attachment "config-bad" of type "text/plain" (105142 bytes)