From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: "Chen, Rong A" <rong.a.chen@intel.com>,
Nathan Chancellor <nathan@kernel.org>
Cc: kernel test robot <lkp@intel.com>,
Kees Cook <keescook@chromium.org>,
"llvm@lists.linux.dev" <llvm@lists.linux.dev>,
"kbuild-all@lists.01.org" <kbuild-all@lists.01.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Nick Desaulniers <ndesaulniers@google.com>,
Masahiro Yamada <masahiroy@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [kbuild-all] Re: powerpc-linux-objdump: Warning: Unrecognized form: 0x23
Date: Thu, 1 Sep 2022 05:45:31 +0000 [thread overview]
Message-ID: <9d77cb93-2eff-d87d-6554-1636d5e7d5ec@csgroup.eu> (raw)
In-Reply-To: <8d2c3aef-aa4f-1f4d-dc89-622554ffda31@intel.com>
Le 01/09/2022 à 06:59, Chen, Rong A a écrit :
>
>
> On 9/1/2022 10:03 AM, Nathan Chancellor wrote:
>> Hi Rong,
>>
>> On Thu, Sep 01, 2022 at 09:15:58AM +0800, Chen, Rong A wrote:
>>>
>>>
>>> On 8/31/2022 11:40 PM, Nathan Chancellor wrote:
>>>> On Wed, Aug 31, 2022 at 02:52:36PM +0800, kernel test robot wrote:
>>>>> tree:
>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>>>> master
>>>>> head: dcf8e5633e2e69ad60b730ab5905608b756a032f
>>>>> commit: f9b3cd24578401e7a392974b3353277286e49cee Kconfig.debug:
>>>>> make DEBUG_INFO selectable from a choice
>>>>> date: 5 months ago
>>>>> config: powerpc-buildonly-randconfig-r003-20220830
>>>>> (https://download.01.org/0day-ci/archive/20220831/202208311414.4OPuYS9K-lkp@intel.com/config)
>>>>> compiler: clang version 16.0.0
>>>>> (https://github.com/llvm/llvm-project
>>>>> c7df82e4693c19e3fd2e25c83eb04d9deb7b7b59)
>>>>> reproduce (this is a W=1 build):
>>>>> wget
>>>>> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>>>> chmod +x ~/bin/make.cross
>>>>> # install powerpc cross compiling tool for clang build
>>>>> # apt-get install binutils-powerpc-linux-gnu
>>>>> #
>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9b3cd24578401e7a392974b3353277286e49cee
>>>>> git remote add linus
>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>>>> git fetch --no-tags linus master
>>>>> git checkout f9b3cd24578401e7a392974b3353277286e49cee
>>>>> # save the config file
>>>>> mkdir build_dir && cp config build_dir/.config
>>>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang
>>>>> make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
>>>>>
>>>>> If you fix the issue, kindly add following tag where applicable
>>>>> Reported-by: kernel test robot <lkp@intel.com>
>>>>>
>>>>> All warnings (new ones prefixed by >>):
>>>>>
>>>>>>> powerpc-linux-objdump: Warning: Unrecognized form: 0x23
>>>>
>>>> Given this is clang 16.0.0 with
>>>> CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y, which uses DWARF5 by
>>>> default instead of DWARF4, it looks like older binutils not
>>>> understanding DWARF5. What version of binutils is being used by the
>>>> bot?
>>>
>>> Hi Nathan,
>>>
>>> We're using binutils v2.38.90.20220713-2
>>>
>>> ||/ Name Version Architecture Description
>>> +++-==============-==================-============-==========================================
>>> ii binutils 2.38.90.20220713-2 amd64 GNU assembler,
>>> linker and binary utilities
>>
>> Thanks for chiming in! This looks like the output of 'dpkg -l', right? I
>
> Hi Nathan,
>
> oh, yes, I misunderstood, it's not related to this package.
>
>> noticed on second glance that the tuple for the objdump warning above is
>> 'powerpc-linux-', which leads me to believe that a kernel.org toolchain
>> (or a self compiled one) is being used. I would expect the tuple to be
>> 'powerpc-linux-gnu-' if Debian's package was being used. Is that
>> possible?
>
> you are right, we used a self-compiled toolchain, we'll try the binutils
> from debian package.
Can you first tell us the version you are using ?
powerpc-linux-objdump -v
That will tell you the version.
Thanks
Christophe
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: kbuild-all@lists.01.org
Subject: Re: powerpc-linux-objdump: Warning: Unrecognized form: 0x23
Date: Thu, 01 Sep 2022 05:45:31 +0000 [thread overview]
Message-ID: <9d77cb93-2eff-d87d-6554-1636d5e7d5ec@csgroup.eu> (raw)
In-Reply-To: <8d2c3aef-aa4f-1f4d-dc89-622554ffda31@intel.com>
[-- Attachment #1: Type: text/plain, Size: 3624 bytes --]
Le 01/09/2022 à 06:59, Chen, Rong A a écrit :
>
>
> On 9/1/2022 10:03 AM, Nathan Chancellor wrote:
>> Hi Rong,
>>
>> On Thu, Sep 01, 2022 at 09:15:58AM +0800, Chen, Rong A wrote:
>>>
>>>
>>> On 8/31/2022 11:40 PM, Nathan Chancellor wrote:
>>>> On Wed, Aug 31, 2022 at 02:52:36PM +0800, kernel test robot wrote:
>>>>> tree:
>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>>>> master
>>>>> head: dcf8e5633e2e69ad60b730ab5905608b756a032f
>>>>> commit: f9b3cd24578401e7a392974b3353277286e49cee Kconfig.debug:
>>>>> make DEBUG_INFO selectable from a choice
>>>>> date: 5 months ago
>>>>> config: powerpc-buildonly-randconfig-r003-20220830
>>>>> (https://download.01.org/0day-ci/archive/20220831/202208311414.4OPuYS9K-lkp(a)intel.com/config)
>>>>> compiler: clang version 16.0.0
>>>>> (https://github.com/llvm/llvm-project
>>>>> c7df82e4693c19e3fd2e25c83eb04d9deb7b7b59)
>>>>> reproduce (this is a W=1 build):
>>>>> wget
>>>>> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>>>> chmod +x ~/bin/make.cross
>>>>> # install powerpc cross compiling tool for clang build
>>>>> # apt-get install binutils-powerpc-linux-gnu
>>>>> #
>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9b3cd24578401e7a392974b3353277286e49cee
>>>>> git remote add linus
>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>>>> git fetch --no-tags linus master
>>>>> git checkout f9b3cd24578401e7a392974b3353277286e49cee
>>>>> # save the config file
>>>>> mkdir build_dir && cp config build_dir/.config
>>>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang
>>>>> make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
>>>>>
>>>>> If you fix the issue, kindly add following tag where applicable
>>>>> Reported-by: kernel test robot <lkp@intel.com>
>>>>>
>>>>> All warnings (new ones prefixed by >>):
>>>>>
>>>>>>> powerpc-linux-objdump: Warning: Unrecognized form: 0x23
>>>>
>>>> Given this is clang 16.0.0 with
>>>> CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y, which uses DWARF5 by
>>>> default instead of DWARF4, it looks like older binutils not
>>>> understanding DWARF5. What version of binutils is being used by the
>>>> bot?
>>>
>>> Hi Nathan,
>>>
>>> We're using binutils v2.38.90.20220713-2
>>>
>>> ||/ Name Version Architecture Description
>>> +++-==============-==================-============-==========================================
>>> ii binutils 2.38.90.20220713-2 amd64 GNU assembler,
>>> linker and binary utilities
>>
>> Thanks for chiming in! This looks like the output of 'dpkg -l', right? I
>
> Hi Nathan,
>
> oh, yes, I misunderstood, it's not related to this package.
>
>> noticed on second glance that the tuple for the objdump warning above is
>> 'powerpc-linux-', which leads me to believe that a kernel.org toolchain
>> (or a self compiled one) is being used. I would expect the tuple to be
>> 'powerpc-linux-gnu-' if Debian's package was being used. Is that
>> possible?
>
> you are right, we used a self-compiled toolchain, we'll try the binutils
> from debian package.
Can you first tell us the version you are using ?
powerpc-linux-objdump -v
That will tell you the version.
Thanks
Christophe
next prev parent reply other threads:[~2022-09-01 5:45 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-31 6:52 powerpc-linux-objdump: Warning: Unrecognized form: 0x23 kernel test robot
2022-08-31 15:40 ` Nathan Chancellor
2022-08-31 15:40 ` Nathan Chancellor
2022-09-01 1:15 ` [kbuild-all] " Chen, Rong A
2022-09-01 2:03 ` Nathan Chancellor
2022-09-01 2:03 ` Nathan Chancellor
2022-09-01 4:59 ` [kbuild-all] " Chen, Rong A
2022-09-01 5:45 ` Christophe Leroy [this message]
2022-09-01 5:45 ` Christophe Leroy
2022-09-01 5:52 ` [kbuild-all] " Chen, Rong A
2022-09-01 16:55 ` Nathan Chancellor
2022-09-01 16:55 ` Nathan Chancellor
2022-09-01 17:04 ` [kbuild-all] " Nick Desaulniers
2022-09-01 17:04 ` Nick Desaulniers
2022-09-02 0:54 ` [kbuild-all] " Chen, Rong A
2022-09-02 1:01 ` Philip Li
2022-09-01 5:44 ` Christophe Leroy
2022-09-01 5:44 ` Christophe Leroy
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