From: Jeff Layton <jlayton@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: oe-kbuild-all@lists.linux.dev,
Christian Brauner <christianvanbrauner@gmail.com>,
Christian Brauner <brauner@kernel.org>,
Christoph Hellwig <hch@lst.de>, Jan Kara <jack@suse.cz>,
Chuck Lever <chuck.lever@oracle.com>
Subject: Re: [brauner-vfs:vfs.all 66/107] ERROR: modpost: "__aeabi_uldivmod" [fs/nilfs2/nilfs2.ko] undefined!
Date: Tue, 10 Mar 2026 07:29:07 -0400 [thread overview]
Message-ID: <441a4f44faf11321df5708ff933c54f8acf2bef9.camel@kernel.org> (raw)
In-Reply-To: <202603100602.KPxiClIO-lkp@intel.com>
On Tue, 2026-03-10 at 06:37 +0800, kernel test robot wrote:
> Hi Jeff,
>
> FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
> head: 521aad921ebdcd2d87e3862753fe6739ee3b24bc
> commit: 0b2600f81cefcdfcda58d50df7be8fd48ada8ce2 [66/107] treewide: change inode->i_ino from unsigned long to u64
> config: arm-randconfig-004-20260310 (https://download.01.org/0day-ci/archive/20260310/202603100602.KPxiClIO-lkp@intel.com/config)
> compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260310/202603100602.KPxiClIO-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@intel.com>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202603100602.KPxiClIO-lkp@intel.com/
>
> All errors (new ones prefixed by >>, old ones prefixed by <<):
>
> > > ERROR: modpost: "__aeabi_uldivmod" [fs/nilfs2/nilfs2.ko] undefined!
This looks like a legit problem. There are some division operations
involving i_ino in NILFS2 that I didn't notice before. I'll spin up a
proposed patch (though I don't have a a good way to test it).
--
Jeff Layton <jlayton@kernel.org>
prev parent reply other threads:[~2026-03-10 11:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-09 22:37 [brauner-vfs:vfs.all 66/107] ERROR: modpost: "__aeabi_uldivmod" [fs/nilfs2/nilfs2.ko] undefined! kernel test robot
2026-03-10 11:29 ` Jeff Layton [this message]
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