linux-kernel - Re: [ammarfaizi2-block:crng/random/master 29/29] WARNING: modpost: vmlinux.o(__ex_table+0x141c): Section mismatch in reference from the variable .L0 to the variable .debug

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Date:   Mon, 9 May 2022 20:46:59 +0800
From:   Philip Li <philip.li@...el.com>
To:     kernel test robot <lkp@...el.com>
Cc:     "Jason A. Donenfeld" <zx2c4@...nel.org>, kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [ammarfaizi2-block:crng/random/master 29/29] WARNING: modpost:
 vmlinux.o(__ex_table+0x141c): Section mismatch in reference from the
 variable .L0 to the variable .debug_str:.LASF1747

On Mon, May 09, 2022 at 04:33:29PM +0800, kernel test robot wrote:
> tree:   https://github.com/ammarfaizi2/linux-block crng/random/master
> head:   26bcbb981eb1ab60612d6cee1bb1b5f444a23ef2
> commit: 26bcbb981eb1ab60612d6cee1bb1b5f444a23ef2 [29/29] random: use symbolic constants for crng_init states
> config: riscv-randconfig-r042-20220509 (https://download.01.org/0day-ci/archive/20220509/202205091658.vQtGGjeg-lkp@intel.com/config)
> compiler: riscv32-linux-gcc (GCC) 11.3.0
> 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
>         # https://github.com/ammarfaizi2/linux-block/commit/26bcbb981eb1ab60612d6cee1bb1b5f444a23ef2
>         git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
>         git fetch --no-tags ammarfaizi2-block crng/random/master
>         git checkout 26bcbb981eb1ab60612d6cee1bb1b5f444a23ef2
>         # save the config file
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 ARCH=riscv 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All warnings (new ones prefixed by >>, old ones prefixed by <<):

Sorry, kindly ignore this report, which is a false positive.

> 
> >> WARNING: modpost: vmlinux.o(__ex_table+0x141c): Section mismatch in reference from the variable .L0 to the variable .debug_str:.LASF1747
> FATAL: modpost: extable_entry size hasn't been discovered!
> 
> Note: the below error/warnings can be found in parent commit:
> << WARNING: modpost: vmlinux.o(.text+0xa76b86): Section mismatch in reference from the function rtc_update_irq() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(.text+0xbacbf2): Section mismatch in reference from the function comedi_buf_map_get() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(__ex_table+0x141c): Section mismatch in reference from the variable .L0 to the variable .debug_str:.LASF1744
> << WARNING: modpost: vmlinux.o(.text+0xae24ec): Section mismatch in reference from the function ir_raw_get_allowed_protocols() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(.text+0xae2b2e): Section mismatch in reference from the function ir_raw_event_prepare() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(.text+0xae2c8c): Section mismatch in reference from the function ir_raw_event_free() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(.text+0xae2cb0): Section mismatch in reference from the function ir_raw_event_unregister() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(.text+0xb1f67e): Section mismatch in reference from the function thermal_zone_device_enable() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(.text+0xb1f688): Section mismatch in reference from the function thermal_zone_device_disable() to the variable .init.text:.L0
> << WARNING: modpost: vmlinux.o(.text+0xb201d8): Section mismatch in reference from the function thermal_of_cooling_device_register() to the variable .init.text:.L0
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://01.org/lkp