From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2668F3BB9F8 for ; Thu, 30 Jul 2026 10:27:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785407241; cv=none; b=JhBweoj7cRW9c9ME6EkmXAOYEz6gPA/RzJlLtxfDqXPrhcmSfcq0/1EE3nvh45RDazcXyXGFj7MG469tbbpiVWBaI0U0j8JZ0ch2ebEbxZL+EnpF14KmF3j6fPEmxH0X767ByZ0ZoHPu2am5jtBbkCP4chfmaGGpG5gWCI+TxMU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785407241; c=relaxed/simple; bh=f7IjzBpuOq5XX4/CEuYws05MatN7Avv57/w5HFz6N7U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pQt1tVfRgxybhJCwqUsEbD0FgSzORNnubWEeSX4VEB11QpZ++aTonFTIq2jtf+j73JW/kvBr4exmwfYS5lNyJHUViq+sjsEESQEzpyh6F/PZGTqAIn8VctkxB2zmXCtTzE2ggWePUg4HRw2COwxdP/xsGe6sXiIdcGeZeY6jJzk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ox/wP/3x; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ox/wP/3x" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1E961F00A3A; Thu, 30 Jul 2026 10:27:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785407240; bh=6rSWr8fwtQYxD1TV1uSRrl7zL+hfWo5KR+aPAhxuFaw=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Ox/wP/3xzPcJeze1Fbmzb28eblDtZOzvFInLef/Wmpb5eOLT5ZIpEFKjfMBF8bFCN 0GZ5fJxkl/vDAygREJIIa6DOkaBkqPcUksXAlVYGkHUu/IoAGmv8ah4JyDm2BiRD3T reZ6b4Dv6CHXJTa1X9vC86eoJY2HNcvb8bXKk1pd4JhSA8m3Vc0QAv0r8yA7SXivFn nGR413as5d7L0TCvbaAM26HnQRxMXIP9qRBQDDPQV/MtkDNw/Du4zZok2sEByOvvIP Ouu8py23NZlBF1zHPZGL7e9OwU6f3S37ETDxUeLftzQtJ5HqesluqlFR8yS2ompMX4 7TsMFDQkSLqFA== Date: Thu, 30 Jul 2026 13:27:13 +0300 From: Leon Romanovsky To: kernel test robot , Marco Elver , Guo Ren Cc: Jason Gunthorpe , linux-rdma@vger.kernel.org Subject: Re: [rdma:wip/leon-for-next] BUILD REGRESSION a273210687f255b12c2f6baf8f25ff80cdbb29ed Message-ID: <20260730102713.GO12003@unreal> References: <202607280004.TAQWia5O-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <202607280004.TAQWia5O-lkp@intel.com> On Tue, Jul 28, 2026 at 12:30:20AM +0800, kernel test robot wrote: > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git wip/leon-for-next > branch HEAD: a273210687f255b12c2f6baf8f25ff80cdbb29ed RDMA/cxgb4: remove dead NULL checks after GFP_NOFAIL allocations > > Unverified Error/Warning (likely false positive, kindly check if interested): > > drivers/infiniband/hw/mthca/mthca_provider.c:946:1: internal compiler error: in final_scan_insn_1, at final.cc:2823 > > Error/Warning ids grouped by kconfigs: > > recent_errors > `-- csky-allmodconfig > `-- drivers-infiniband-hw-mthca-mthca_provider.c:internal-compiler-error:in-final_scan_insn_1-at-final.cc AI suggests this is a GCC 16 bug, with mthca affected as collateral damage. "It’s a csky backend bug against GCC 16, exposed (not caused) by commit 0fc1bd38a19c “slab: improve KMALLOC_PARTITION_RANDOM randomness” switching the token to _CODE_LOCATION_." Thanks > > elapsed time: 884m > > configs tested: 94 > configs skipped: 2 > > tested configs: > alpha allnoconfig gcc-16.1.0 > alpha allyesconfig gcc-16.1.0 > alpha defconfig gcc-16.1.0 > arc allmodconfig gcc-16.1.0 > arc allyesconfig gcc-16.1.0 > arc randconfig-001 gcc-8.5.0 > arc randconfig-001-20260727 gcc-8.5.0 > arc randconfig-002-20260727 gcc-8.5.0 > arm imx_v4_v5_defconfig clang-24 > arm randconfig-001-20260727 gcc-8.5.0 > arm randconfig-002-20260727 gcc-8.5.0 > arm randconfig-003-20260727 gcc-8.5.0 > arm randconfig-004-20260727 clang-20 > arm64 randconfig-001 gcc-14.3.0 > arm64 randconfig-001-20260727 gcc-9.5.0 > arm64 randconfig-002-20260727 gcc-8.5.0 > arm64 randconfig-003-20260727 gcc-8.5.0 > arm64 randconfig-004-20260727 gcc-15.2.0 > csky allmodconfig gcc-16.1.0 > csky randconfig-001-20260727 gcc-11.5.0 > csky randconfig-002-20260727 gcc-9.5.0 > hexagon randconfig-001-20260727 clang-22 > hexagon randconfig-002-20260727 clang-24 > i386 allmodconfig gcc-14 > i386 buildonly-randconfig-001-20260727 gcc-14 > i386 buildonly-randconfig-002-20260727 gcc-14 > i386 buildonly-randconfig-003-20260727 gcc-14 > i386 buildonly-randconfig-004-20260727 clang-22 > i386 buildonly-randconfig-005-20260727 clang-22 > i386 buildonly-randconfig-006-20260727 gcc-14 > i386 randconfig-001-20260727 clang-22 > i386 randconfig-002-20260727 gcc-14 > i386 randconfig-003-20260727 clang-22 > i386 randconfig-004-20260727 gcc-14 > i386 randconfig-005-20260727 gcc-12 > i386 randconfig-006-20260727 clang-22 > i386 randconfig-007-20260727 clang-22 > i386 randconfig-011-20260727 clang-22 > i386 randconfig-012-20260727 clang-22 > i386 randconfig-013-20260727 clang-22 > i386 randconfig-014-20260727 clang-22 > i386 randconfig-015-20260727 clang-22 > i386 randconfig-016-20260727 gcc-14 > i386 randconfig-017-20260727 gcc-13 > loongarch defconfig clang-24 > loongarch randconfig-001-20260727 gcc-16.1.0 > loongarch randconfig-002-20260727 gcc-15.2.0 > nios2 allnoconfig gcc-11.5.0 > nios2 randconfig-001-20260727 gcc-8.5.0 > nios2 randconfig-002-20260727 gcc-11.5.0 > parisc allmodconfig gcc-16.1.0 > parisc allyesconfig gcc-16.1.0 > parisc defconfig gcc-16.1.0 > parisc randconfig-001-20260727 gcc-12.5.0 > parisc randconfig-002-20260727 gcc-8.5.0 > powerpc randconfig-001-20260727 gcc-11.5.0 > powerpc randconfig-002-20260727 gcc-8.5.0 > powerpc64 randconfig-001-20260727 gcc-8.5.0 > powerpc64 randconfig-002-20260727 clang-18 > riscv randconfig-001-20260727 gcc-9.5.0 > riscv randconfig-002-20260727 gcc-11.5.0 > s390 randconfig-001-20260727 clang-24 > s390 randconfig-002-20260727 gcc-8.5.0 > sh defconfig gcc-16.1.0 > sh randconfig-001-20260727 gcc-15.2.0 > sh randconfig-002-20260727 gcc-16.1.0 > sparc randconfig-001 gcc-16.1.0 > sparc randconfig-001-20260727 gcc-16.1.0 > sparc randconfig-002-20260727 gcc-8.5.0 > sparc64 randconfig-001-20260727 gcc-10.5.0 > sparc64 randconfig-002-20260727 gcc-12.5.0 > um randconfig-001-20260727 gcc-14 > um randconfig-002-20260727 clang-21 > x86_64 buildonly-randconfig-001-20260727 gcc-14 > x86_64 buildonly-randconfig-002-20260727 gcc-14 > x86_64 buildonly-randconfig-003-20260727 clang-22 > x86_64 buildonly-randconfig-004-20260727 clang-22 > x86_64 buildonly-randconfig-005-20260727 gcc-14 > x86_64 buildonly-randconfig-006-20260727 gcc-14 > x86_64 randconfig-001 gcc-14 > x86_64 randconfig-001-20260727 gcc-13 > x86_64 randconfig-002-20260727 clang-22 > x86_64 randconfig-003-20260727 gcc-14 > x86_64 randconfig-004-20260727 clang-22 > x86_64 randconfig-005-20260727 clang-22 > x86_64 randconfig-006-20260727 clang-22 > x86_64 randconfig-071-20260727 gcc-12 > x86_64 randconfig-072-20260727 gcc-14 > x86_64 randconfig-073-20260727 gcc-14 > x86_64 randconfig-074-20260727 clang-22 > x86_64 randconfig-075-20260727 gcc-12 > x86_64 randconfig-076-20260727 gcc-14 > xtensa randconfig-001-20260727 gcc-14.3.0 > xtensa randconfig-002-20260727 gcc-8.5.0 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki