linux-kernel - Re: kismet: WARNING: unmet direct dependencies detected for SM_GCC_8550 when selected by SM_CAMCC

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Date:   Tue, 7 Nov 2023 08:00:33 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Philip Li <philip.li@...el.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     kernel test robot <lkp@...el.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        Paul Gazzillo <paul@...zz.com>,
        Necip Fazil Yildiran <fazilyildiran@...il.com>,
        oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Bjorn Andersson <andersson@...nel.org>,
        Taniya Das <quic_tdas@...cinc.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: Re: kismet: WARNING: unmet direct dependencies detected for
 SM_GCC_8550 when selected by SM_CAMCC_8550

Hi Philip,

On 11/7/23 04:45, Philip Li wrote:
> On Tue, Nov 07, 2023 at 11:11:54AM +0100, Geert Uytterhoeven wrote:
>> Hi Robot,
>>
>> On Mon, Nov 6, 2023 at 4:06 PM kernel test robot <lkp@...el.com> wrote:
>>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>> head:   d2f51b3516dade79269ff45eae2a7668ae711b25
>>> commit: ccc4e6a061a21d75b96d82fc4b084a8d96df6eb4 clk: qcom: camcc-sm8550: Add camera clock controller driver for SM8550
>>> date:   7 weeks ago
>>> config: arm-kismet-CONFIG_SM_GCC_8550-CONFIG_SM_CAMCC_8550-0-0 (https://download.01.org/0day-ci/archive/20231106/202311062309.XugQH7AH-lkp@intel.com/config)
>>> reproduce: (https://download.01.org/0day-ci/archive/20231106/202311062309.XugQH7AH-lkp@intel.com/reproduce)
>>>
>>> If you fix the issue in a separate patch/commit (i.e. not just a new version of
>>> the same patch/commit), kindly add following tags
>>> | Reported-by: kernel test robot <lkp@...el.com>
>>> | Closes: https://lore.kernel.org/oe-kbuild-all/202311062309.XugQH7AH-lkp@intel.com/
>>>
>>> kismet warnings: (new ones prefixed by >>)
>>>>> kismet: WARNING: unmet direct dependencies detected for SM_GCC_8550 when selected by SM_CAMCC_8550
>>>    .config:7280:warning: symbol value 'ONFIG_ARCH_MMAP_RND_BITS_MI' invalid for ARCH_MMAP_RND_BITS
>>                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> Where is this coming from? I have seen this warning in several build
>> reports (earliest 2023-01-31), but cannot reproduce it with the provided
>> commit and config.
> 

I'm pretty sure that what Geert is asking about here is the warning (".config:7280:...") with
the truncated kconfig symbol 'ONFIG_ARCH_MMAP_RND_BITS_MI'.  I have also seen several of these.
Is this a bug in kismet or a bug in the robot or something else?

thanks.

> Hi Geert, this was detected by kismet tool developed by Paul Gazzillo and Necip Fazil Yildiran.
> It can be obtained at [1]
> 
> And the issue detected by it can be reproduced by make olddefconfig as well,
> the detail can refer to the reproduce instruction [2]
> 
> I give a try as below inside mainline repo
> 
> $ git checkout ccc4e6a061a21d75b96d82fc4b084a8d96df6eb4
> $ wget https://download.01.org/0day-ci/archive/20231106/202311062309.XugQH7AH-lkp@intel.com/config -O .config
> $ $ make ARCH=arm olddefconfig
>   HOSTCC  scripts/basic/fixdep
>   HOSTCC  scripts/kconfig/conf.o
>   HOSTCC  scripts/kconfig/confdata.o
>   HOSTCC  scripts/kconfig/expr.o
>   LEX     scripts/kconfig/lexer.lex.c
>   YACC    scripts/kconfig/parser.tab.[ch]
>   HOSTCC  scripts/kconfig/lexer.lex.o
>   HOSTCC  scripts/kconfig/menu.o
>   HOSTCC  scripts/kconfig/parser.tab.o
>   HOSTCC  scripts/kconfig/preprocess.o
>   HOSTCC  scripts/kconfig/symbol.o
>   HOSTCC  scripts/kconfig/util.o
>   HOSTLD  scripts/kconfig/conf
> 
> WARNING: unmet direct dependencies detected for SM_GCC_8550
>   Depends on [n]: COMMON_CLK [=y] && COMMON_CLK_QCOM [=y] && (ARM64 || COMPILE_TEST [=n])
>   Selected by [y]:
>   - SM_CAMCC_8550 [=y] && COMMON_CLK [=y] && COMMON_CLK_QCOM [=y]
> 
> [1] https://github.com/paulgazz/kmax#using-kismet
> [2] https://download.01.org/0day-ci/archive/20231106/202311062309.XugQH7AH-lkp@intel.com/reproduce
> 
>>
>> Gr{oetje,eeting}s,
>>
>>                         Geert


-- 
~Randy