linux-kernel - Re: [PATCH 2/2] ext4: align preallocation size to stripe width

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Message-ID: <202512120613.mM5COVWV-lkp@intel.com>
Date: Fri, 12 Dec 2025 07:08:01 +0800
From: kernel test robot <lkp@...el.com>
To: Yu Kuai <yukuai@...as.com>, tytso@....edu, adilger.kernel@...ger.ca,
	linux-ext4@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	yukuai@...as.com
Subject: Re: [PATCH 2/2] ext4: align preallocation size to stripe width

Hi Yu,

kernel test robot noticed the following build errors:

[auto build test ERROR on tytso-ext4/dev]
[also build test ERROR on linus/master v6.18 next-20251211]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/ext4-refactor-size-prediction-into-helper-functions/20251208-163553
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
patch link:    https://lore.kernel.org/r/20251208083246.320965-3-yukuai%40fnnas.com
patch subject: [PATCH 2/2] ext4: align preallocation size to stripe width
config: arm-randconfig-r072-20251210 (https://download.01.org/0day-ci/archive/20251212/202512120613.mM5COVWV-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512120613.mM5COVWV-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/202512120613.mM5COVWV-lkp@intel.com/

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: fs/ext4/mballoc.o: in function `ext4_mb_predict_file_size':
>> mballoc.c:(.text+0x242): undefined reference to `__aeabi_ldivmod'
   arm-linux-gnueabi-ld: (__aeabi_ldivmod): Unknown destination type (ARM/Thumb) in fs/ext4/mballoc.o
>> mballoc.c:(.text+0x242): dangerous relocation: unsupported relocation
>> arm-linux-gnueabi-ld: mballoc.c:(.text+0x268): undefined reference to `__aeabi_ldivmod'
   arm-linux-gnueabi-ld: (__aeabi_ldivmod): Unknown destination type (ARM/Thumb) in fs/ext4/mballoc.o
   mballoc.c:(.text+0x268): dangerous relocation: unsupported relocation
   arm-linux-gnueabi-ld: mballoc.c:(.text+0x29c): undefined reference to `__aeabi_ldivmod'
   arm-linux-gnueabi-ld: (__aeabi_ldivmod): Unknown destination type (ARM/Thumb) in fs/ext4/mballoc.o
   mballoc.c:(.text+0x29c): dangerous relocation: unsupported relocation

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki