linux-kernel - Re: [PATCH] watchdog/mm: Allow dumping memory info in pretimeout

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Date:   Fri, 9 Jun 2023 17:24:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vincent Whitchurch <vincent.whitchurch@...s.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Linux Memory Management List <linux-mm@...ck.org>,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...s.com, Vincent Whitchurch <vincent.whitchurch@...s.com>
Subject: Re: [PATCH] watchdog/mm: Allow dumping memory info in pretimeout

Hi Vincent,

kernel test robot noticed the following build errors:

[auto build test ERROR on 9561de3a55bed6bdd44a12820ba81ec416e705a7]

url:    https://github.com/intel-lab-lkp/linux/commits/Vincent-Whitchurch/watchdog-mm-Allow-dumping-memory-info-in-pretimeout/20230609-144807
base:   9561de3a55bed6bdd44a12820ba81ec416e705a7
patch link:    https://lore.kernel.org/r/20230608-pretimeout-oom-v1-1-542cc91062d7%40axis.com
patch subject: [PATCH] watchdog/mm: Allow dumping memory info in pretimeout
config: i386-randconfig-i051-20230608 (https://download.01.org/0day-ci/archive/20230609/202306091730.papweTh9-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
        git checkout 9561de3a55bed6bdd44a12820ba81ec416e705a7
        b4 shazam https://lore.kernel.org/r/20230608-pretimeout-oom-v1-1-542cc91062d7@axis.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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/202306091730.papweTh9-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "__show_mem" [drivers/watchdog/pretimeout_panic.ko] undefined!

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