From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 1AD313D3D13 for ; Thu, 19 Mar 2026 19:38:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773949107; cv=none; b=MXqggS+3Qle1IxjcNiwrOdbJ6OKd+VL1TApo+B7aNT6tjJGgEq2EAwZqkzEhc3TVMgn2lMBE6zwbsnUCxqaFtVWasrNl+5IsLSudSxMp24MLxU/csV9GSz4DE2wxZsMyFIowH/mz8Pp5wfTkm3iSUBB9ijlApxNDv0Ph7kSDOQ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773949107; c=relaxed/simple; bh=ZhMU0mC3R1mIURutyE/TbEk7cCwwb4tdq8n+oxOX3wg=; h=Date:From:To:Cc:Subject:Message-ID; b=skitzEY5zhC9+KfDE1YiG+VNmYN9QRGs+znKWbytuTSJitsYRBk9wawFrffcv3QZb2JeKvzSZ4RMNgBJkaaZL1rKZ+6S0kVbyKppttajom/SVk0RvZwtxhtmuygF5mlYMz32weiVwcHsauFK7TcAMPB6C/++yTXdlj3S5GB49AI= 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=XVjByPtC; arc=none smtp.client-ip=198.175.65.12 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="XVjByPtC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1773949107; x=1805485107; h=date:from:to:cc:subject:message-id; bh=ZhMU0mC3R1mIURutyE/TbEk7cCwwb4tdq8n+oxOX3wg=; b=XVjByPtCYo7nDLvTQYTliGFwqgMLKPVp1NAoNmJZGU21sODOg1n20yQb KF/KquCnmov6VjpHpNPfokOa2QosorcMtWX6hoMMcS5Z+XmLFl2qlXSWM dKPg52nNnefff86ODixRqTOKg4LmTmGEWu42VJf7hLPYfCZ+DmIcrvPxv i4+sp4BcbLbl4dOQdm/ADUylRenCwoSBpjCISavoW+nrYwmkAGcy+Lwt5 QlvcG9Rzk+/jIXK47/zheCwbCJk1FRyDj/h4VxkMIdSj3ofEq229XccHS qeeoDvydDcntI87fwtG3pYmDXIZMjFdKxlKd29UFCMElu5nV86Q1arUDL w==; X-CSE-ConnectionGUID: LdpUSnmlTTS7oXaJzYLy+A== X-CSE-MsgGUID: MCI7Y0ggQUWkbbUoiydW1A== X-IronPort-AV: E=McAfee;i="6800,10657,11734"; a="86509946" X-IronPort-AV: E=Sophos;i="6.23,129,1770624000"; d="scan'208";a="86509946" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2026 12:38:26 -0700 X-CSE-ConnectionGUID: nfkH+JXDTROUU9kkprhKBg== X-CSE-MsgGUID: 1sf+ackESuu/AvAjFcwB1Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,129,1770624000"; d="scan'208";a="227768937" Received: from lkp-server02.sh.intel.com (HELO a51c2a36b9df) ([10.239.97.151]) by fmviesa005.fm.intel.com with ESMTP; 19 Mar 2026 12:38:15 -0700 Received: from kbuild by a51c2a36b9df with local (Exim 4.98.2) (envelope-from ) id 1w3JC1-000000001ar-2q0I; Thu, 19 Mar 2026 19:38:05 +0000 Date: Fri, 20 Mar 2026 03:36:50 +0800 From: kernel test robot To: Nick Terrell Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: ERROR: modpost: "__st_r13_to_r15" [lib/zstd/zstd_decompress.ko] undefined! Message-ID: <202603200328.y02iDyFf-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: e9825d1c79570b4c11259e826b3f7c1511544a85 commit: 65d1f5507ed2c78c64fce40e44e5574a9419eb09 zstd: Import upstream v1.5.7 date: 1 year ago config: arc-randconfig-r073-20260319 (https://download.01.org/0day-ci/archive/20260320/202603200328.y02iDyFf-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 11.5.0 smatch: v0.5.0-9004-gb810ac53 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260320/202603200328.y02iDyFf-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/202603200328.y02iDyFf-lkp@intel.com/ All errors (new ones prefixed by >>, old ones prefixed by <<): WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-mgr-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-bridge-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-region-test.o ERROR: modpost: "__ld_r13_to_r23_ret" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__st_r13_to_r22" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__ld_r13_to_r19_ret" [lib/zstd/zstd_decompress.ko] undefined! ERROR: modpost: "__ld_r13_to_r22_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! WARNING: modpost: suppressed 4 unresolved symbol warnings because there were too many) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki