* [rdma:wip/leon-for-next] BUILD REGRESSION a273210687f255b12c2f6baf8f25ff80cdbb29ed
@ 2026-07-27 16:30 kernel test robot
2026-07-30 10:27 ` Leon Romanovsky
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2026-07-27 16:30 UTC (permalink / raw)
To: Leon Romanovsky; +Cc: Doug Ledford, Jason Gunthorpe, linux-rdma
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
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [rdma:wip/leon-for-next] BUILD REGRESSION a273210687f255b12c2f6baf8f25ff80cdbb29ed
2026-07-27 16:30 [rdma:wip/leon-for-next] BUILD REGRESSION a273210687f255b12c2f6baf8f25ff80cdbb29ed kernel test robot
@ 2026-07-30 10:27 ` Leon Romanovsky
0 siblings, 0 replies; 2+ messages in thread
From: Leon Romanovsky @ 2026-07-30 10:27 UTC (permalink / raw)
To: kernel test robot, Marco Elver, Guo Ren; +Cc: Jason Gunthorpe, linux-rdma
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-07-27 16:30 [rdma:wip/leon-for-next] BUILD REGRESSION a273210687f255b12c2f6baf8f25ff80cdbb29ed kernel test robot
2026-07-30 10:27 ` Leon Romanovsky
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