From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4EA90246BC6 for ; Wed, 7 Jan 2026 02:49:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767754160; cv=none; b=G0Qx4TczfRrCTVYmC35KJ6HTb6vC/PfP81PladNbYT08jI+5TkRlaIo8/LY5j9FRCjjnF0/31hNugLwGLstVIgmx6DMpc90PCRffD0lJQa8QMT3xQHWKNcf6aDHsCChltB3gYeH8t+UXM7kYj4EZ6DsK7AEaxrsfojEb/FKaXs4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767754160; c=relaxed/simple; bh=vDJS0XJIvShHvy1s5LI88yF/ezwgGudEa1Vg4keUD5M=; h=Date:From:To:Cc:Subject:Message-ID; b=Al20csv6Puy4jDtk6OM8XoX+ExFNrxFPt3YuJ3RGZYS2A/VFIotkNkxp8HZ+rFv3rMj67Ftr9CuMcmUJlREEV8Vutg60OdQhn23iTPja8Vl5JLB9GvesFL2bvY3ITyqDJmcQfPo3GzOWP34xuLd8E2qic8wvjSnh/BZG8+Uydo8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Az0HrzP2; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Az0HrzP2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767754159; x=1799290159; h=date:from:to:cc:subject:message-id; bh=vDJS0XJIvShHvy1s5LI88yF/ezwgGudEa1Vg4keUD5M=; b=Az0HrzP2DK6sGYiqLxyC0oBt3IonMIsYrH9p3k6wFaCezxUT6WeXE/Xv 1OOgfUVgKBaincUFHLcbJJ64cp+G7DfnOo1JDXgXDcfZ8Jidy8rqGOarI OrQwpElrcjQdZAzKxtSdbCLSs0ddzrb3lo69tfMIoQtEtd8s9ZxZf2yrH qWfutY/YMlbLZw5OMnDjePrLz51+qYY98Mm9fNmDLGhpSeJH4Xga9o2A7 ezoaWnw62eSabTvF4V9OI18SpaDF73Mj5jqcG2JmWnplW9Vq/ixYZsPAI os53Trf9nYoRDpYuPnG71dj2Ep5EaAYS4tHZfE4HPn0RXSOMIBrNQm5T3 w==; X-CSE-ConnectionGUID: P9VtJDN/Ryax3W4R4FP0RQ== X-CSE-MsgGUID: o4/V/1uhReyDhcLkXoDhBw== X-IronPort-AV: E=McAfee;i="6800,10657,11663"; a="91780224" X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="91780224" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2026 18:49:18 -0800 X-CSE-ConnectionGUID: Wn6dzBCtQjWRv50KH13oYQ== X-CSE-MsgGUID: W6VBBuUSQC2w3bGu9iPxfA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="207680682" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 06 Jan 2026 18:49:16 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vdJbl-000000003P7-3ofK; Wed, 07 Jan 2026 02:49:13 +0000 Date: Wed, 07 Jan 2026 10:49:04 +0800 From: kernel test robot To: Nick Terrell Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: ERROR: modpost: "__ld_r13_to_r20_ret" [lib/zstd/zstd_decompress.ko] undefined! Message-ID: <202601071032.PQHPKfyf-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hi Nick, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f0b9d8eb98dfee8d00419aa07543bdc2c1a44fb1 commit: 65d1f5507ed2c78c64fce40e44e5574a9419eb09 zstd: Import upstream v1.5.7 date: 10 months ago config: arc-randconfig-r061-20260107 (https://download.01.org/0day-ci/archive/20260107/202601071032.PQHPKfyf-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260107/202601071032.PQHPKfyf-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202601071032.PQHPKfyf-lkp@intel.com/ All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: "__ld_r13_to_r23_ret" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__ld_r13_to_r19_ret" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__st_r13_to_r15" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__st_r13_to_r24" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__st_r13_to_r19" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__st_r13_to_r23" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__ld_r13_to_r24_ret" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__ld_r13_to_r18_ret" [lib/zstd/zstd_decompress.ko] undefined! >> ERROR: modpost: "__ld_r13_to_r20_ret" [lib/zstd/zstd_decompress.ko] undefined! >> ERROR: modpost: "__ld_r13_to_r15_ret" [lib/zstd/zstd_decompress.ko] undefined! WARNING: modpost: suppressed 2 unresolved symbol warnings because there were too many) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki