* [linux-next:master] BUILD REGRESSION 3d229ce89862b8e82d71a9e11d6f840ca272a6d6
@ 2026-10-20 22:38 kernel test robot
2026-10-20 23:39 ` Andrew Morton
0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2026-10-20 22:38 UTC (permalink / raw)
To: Andrew Morton; +Cc: Linux Memory Management List, Mark Brown
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
branch HEAD: 3d229ce89862b8e82d71a9e11d6f840ca272a6d6 Add linux-next specific files for 20261019
Error/Warning (recently discovered and may have been fixed):
https://lore.kernel.org/oe-kbuild-all/202610210232.uzFGXnjw-lkp@intel.com
https://lore.kernel.org/oe-kbuild-all/202610210332.DDqYQv5K-lkp@intel.com
arch/arm64/kvm/vgic/vgic-irs-v5.c:1016:15: warning: variable 'addr' set but not used [-Wunused-but-set-variable=]
kernel/sched/ext/ext.c:5178:17: error: implicit declaration of function 'scx_reenq_wait_dispatching'; did you mean 'scx_wait_dispatching'? [-Wimplicit-function-declaration]
Unverified Error/Warning (likely false positive, kindly check if interested):
fs/ext2/super.c:1040:7: warning: writing variable 's_mount_state' requires holding spinlock '_res->s_lock' exclusively [-Wthread-safety-precise]
fs/ext2/super.c:1138:8: warning: writing variable 's_rsv_window_root' requires holding spinlock '_res->s_rsv_window_lock' exclusively [-Wthread-safety-precise]
Error/Warning ids grouped by kconfigs:
recent_errors
|-- arm64-defconfig
| `-- arch-arm64-kvm-vgic-vgic-irs-v5.c:warning:variable-addr-set-but-not-used
|-- sparc64-defconfig
| |-- fs-ext2-super.c:warning:writing-variable-s_mount_state-requires-holding-spinlock-_res-s_lock-exclusively
| `-- fs-ext2-super.c:warning:writing-variable-s_rsv_window_root-requires-holding-spinlock-_res-s_rsv_window_lock-exclusively
`-- x86_64-rhel-9.4-bpf
`-- kernel-sched-ext-ext.c:error:implicit-declaration-of-function-scx_reenq_wait_dispatching
elapsed time: 1127m
configs tested: 246
configs skipped: 10
tested configs:
alpha allnoconfig gcc-16.2.0
alpha allyesconfig gcc-16.2.0
alpha defconfig gcc-16.2.0
arc allmodconfig gcc-16.2.0
arc allnoconfig gcc-16.2.0
arc allyesconfig gcc-16.2.0
arc defconfig gcc-16.2.0
arc randconfig-1000-20261021 clang-17
arc randconfig-1000-20261021 gcc-16.2.0
arc randconfig-1001-20261021 clang-17
arc randconfig-1001-20261021 gcc-14.4.0
arm allnoconfig clang-17
arm allnoconfig gcc-16.2.0
arm am200epdkit_defconfig clang-24
arm defconfig clang-24
arm defconfig gcc-16.2.0
arm footbridge_defconfig clang-24
arm neponset_defconfig gcc-16.2.0
arm netwinder_defconfig gcc-16.2.0
arm randconfig-1000-20261021 clang-17
arm randconfig-1000-20261021 clang-24
arm randconfig-1001-20261021 clang-17
arm randconfig-1002-20261021 clang-17
arm randconfig-1002-20261021 gcc-14.4.0
arm randconfig-1003-20261021 clang-17
arm64 allmodconfig clang-24
arm64 allnoconfig gcc-16.2.0
arm64 defconfig gcc-16.2.0
arm64 randconfig-1000-20261021 clang-21
arm64 randconfig-1000-20261021 clang-24
arm64 randconfig-1001-20261021 clang-24
arm64 randconfig-1001-20261021 gcc-13.5.0
arm64 randconfig-1002-20261021 clang-24
arm64 randconfig-1003-20261021 clang-24
arm64 randconfig-1003-20261021 gcc-8.5.0
csky allmodconfig gcc-16.2.0
csky allnoconfig gcc-16.2.0
csky defconfig gcc-16.2.0
csky randconfig-1000-20261021 clang-24
csky randconfig-1000-20261021 gcc-16.2.0
csky randconfig-1001-20261021 clang-24
csky randconfig-1001-20261021 gcc-10.5.0
hexagon alldefconfig clang-19
hexagon allmodconfig clang-24
hexagon allmodconfig gcc-16.2.0
hexagon allnoconfig clang-24
hexagon allnoconfig gcc-16.2.0
hexagon defconfig clang-24
hexagon defconfig gcc-16.2.0
hexagon randconfig-1000-20261021 clang-24
hexagon randconfig-1001-20261021 clang-24
i386 allmodconfig gcc-14
i386 allnoconfig gcc-14
i386 allnoconfig gcc-16.2.0
i386 allyesconfig gcc-14
i386 buildonly-randconfig-1000-20261020 clang-22
i386 buildonly-randconfig-1001-20261020 gcc-14
i386 buildonly-randconfig-1002-20261020 clang-22
i386 buildonly-randconfig-1003-20261020 clang-22
i386 buildonly-randconfig-1004-20261020 clang-22
i386 buildonly-randconfig-1005-20261020 clang-22
i386 defconfig clang-22
i386 defconfig gcc-16.2.0
i386 randconfig-1000-20261020 clang-22
i386 randconfig-1001-20261020 clang-22
i386 randconfig-1002-20261020 gcc-14
i386 randconfig-1003-20261020 clang-22
i386 randconfig-1004-20261020 clang-22
i386 randconfig-1005-20261020 gcc-14
i386 randconfig-1006-20261020 clang-22
i386 randconfig-1007-20261020 gcc-14
i386 randconfig-1008-20261020 gcc-14
i386 randconfig-1009-20261020 clang-22
i386 randconfig-1010-20261020 gcc-14
i386 randconfig-1011-20261020 gcc-14
i386 randconfig-1012-20261020 clang-22
i386 randconfig-1013-20261020 gcc-12
loongarch allmodconfig clang-19
loongarch allnoconfig clang-20
loongarch allnoconfig gcc-16.2.0
loongarch defconfig clang-24
loongarch randconfig-1000-20261021 clang-24
loongarch randconfig-1000-20261021 gcc-15.3.0
loongarch randconfig-1001-20261021 clang-21
loongarch randconfig-1001-20261021 clang-24
m68k allmodconfig gcc-16.2.0
m68k allnoconfig gcc-16.2.0
m68k allyesconfig gcc-16.2.0
m68k defconfig clang-24
m68k defconfig gcc-16.2.0
m68k m5272c3_defconfig gcc-16.2.0
m68k m5275evb_defconfig gcc-16.2.0
microblaze allnoconfig gcc-16.2.0
microblaze allyesconfig gcc-16.2.0
microblaze defconfig clang-24
microblaze defconfig gcc-16.2.0
mips allmodconfig gcc-16.2.0
mips allnoconfig gcc-16.2.0
mips allyesconfig gcc-16.2.0
mips ip30_defconfig gcc-16.2.0
mips loongson3_defconfig clang-24
nios2 allmodconfig gcc-11.5.0
nios2 allnoconfig clang-24
nios2 allnoconfig gcc-11.5.0
nios2 defconfig clang-24
nios2 defconfig gcc-11.5.0
nios2 randconfig-1000-20261021 clang-24
nios2 randconfig-1000-20261021 gcc-11.5.0
nios2 randconfig-1001-20261021 clang-24
nios2 randconfig-1001-20261021 gcc-11.5.0
openrisc allmodconfig gcc-16.2.0
openrisc allnoconfig clang-24
openrisc allnoconfig gcc-16.2.0
openrisc defconfig gcc-16.2.0
parisc allmodconfig gcc-16.2.0
parisc allnoconfig clang-24
parisc allnoconfig gcc-16.2.0
parisc allyesconfig gcc-16.2.0
parisc defconfig gcc-16.2.0
parisc generic-64bit_defconfig clang-24
parisc randconfig-1000-20261020 gcc-15.3.0
parisc randconfig-1000-20261021 gcc-10.5.0
parisc randconfig-1001-20261020 gcc-13.5.0
parisc randconfig-1001-20261021 gcc-10.5.0
parisc64 defconfig clang-24
parisc64 defconfig gcc-16.2.0
powerpc allmodconfig gcc-16.2.0
powerpc allnoconfig clang-24
powerpc allnoconfig gcc-16.2.0
powerpc holly_defconfig clang-24
powerpc pmac32_defconfig clang-24
powerpc randconfig-1000-20261020 gcc-16.2.0
powerpc randconfig-1000-20261021 gcc-10.5.0
powerpc randconfig-1001-20261020 clang-24
powerpc randconfig-1001-20261021 gcc-10.5.0
powerpc tqm8540_defconfig clang-24
powerpc64 randconfig-1000-20261020 gcc-8.5.0
powerpc64 randconfig-1000-20261021 gcc-10.5.0
powerpc64 randconfig-1001-20261020 clang-17
powerpc64 randconfig-1001-20261021 gcc-10.5.0
riscv allmodconfig clang-24
riscv allnoconfig clang-24
riscv allnoconfig gcc-16.2.0
riscv defconfig clang-24
riscv defconfig gcc-16.2.0
riscv randconfig-1000-20261020 gcc-11.5.0
riscv randconfig-1000-20261020 gcc-12.5.0
riscv randconfig-1001-20261020 gcc-11.5.0
riscv randconfig-1001-20261020 gcc-8.5.0
s390 allnoconfig clang-24
s390 allyesconfig gcc-16.2.0
s390 defconfig clang-18
s390 defconfig gcc-16.2.0
s390 randconfig-1000-20261020 clang-24
s390 randconfig-1000-20261020 gcc-11.5.0
s390 randconfig-1001-20261020 gcc-10.5.0
s390 randconfig-1001-20261020 gcc-11.5.0
sh allmodconfig gcc-16.2.0
sh allnoconfig clang-24
sh allnoconfig gcc-16.2.0
sh allyesconfig gcc-16.2.0
sh defconfig gcc-14
sh defconfig gcc-16.2.0
sh migor_defconfig gcc-16.2.0
sh randconfig-1000-20261020 gcc-11.5.0
sh randconfig-1000-20261020 gcc-16.2.0
sh randconfig-1001-20261020 gcc-11.5.0
sparc allnoconfig clang-24
sparc allnoconfig gcc-16.2.0
sparc defconfig gcc-16.2.0
sparc randconfig-1000-20261020 gcc-16.2.0
sparc randconfig-1000-20261021 clang-24
sparc randconfig-1001-20261020 gcc-8.5.0
sparc randconfig-1001-20261021 clang-24
sparc64 defconfig clang-24
sparc64 defconfig gcc-14
sparc64 randconfig-1000-20261020 clang-20
sparc64 randconfig-1000-20261021 clang-24
sparc64 randconfig-1001-20261020 clang-24
sparc64 randconfig-1001-20261021 clang-24
um allnoconfig clang-17
um allnoconfig clang-24
um allyesconfig gcc-14
um allyesconfig gcc-16.2.0
um defconfig clang-24
um defconfig gcc-14
um i386_defconfig gcc-14
um randconfig-1000-20261020 clang-17
um randconfig-1000-20261021 clang-24
um randconfig-1001-20261020 clang-20
um randconfig-1001-20261021 clang-24
um x86_64_defconfig clang-24
um x86_64_defconfig clang-24
um x86_64_defconfig gcc-14
x86_64 allmodconfig clang-22
x86_64 allnoconfig clang-22
x86_64 allnoconfig clang-24
x86_64 allyesconfig clang-22
x86_64 buildonly-randconfig-1000-20261021 gcc-14
x86_64 buildonly-randconfig-1001-20261021 gcc-12
x86_64 buildonly-randconfig-1002-20261021 gcc-14
x86_64 buildonly-randconfig-1003-20261021 gcc-14
x86_64 buildonly-randconfig-1004-20261021 clang-22
x86_64 buildonly-randconfig-1005-20261021 clang-22
x86_64 defconfig gcc-14
x86_64 kexec clang-22
x86_64 randconfig-1000-20261020 clang-22
x86_64 randconfig-1001-20261020 clang-22
x86_64 randconfig-1002-20261020 clang-22
x86_64 randconfig-1003-20261020 gcc-14
x86_64 randconfig-1004-20261020 clang-22
x86_64 randconfig-1005-20261020 clang-22
x86_64 randconfig-1006-20261020 gcc-14
x86_64 randconfig-1007-20261020 gcc-14
x86_64 randconfig-1008-20261020 clang-22
x86_64 randconfig-1009-20261020 clang-22
x86_64 randconfig-1010-20261020 gcc-14
x86_64 randconfig-1011-20261020 clang-22
x86_64 randconfig-1012-20261020 clang-22
x86_64 randconfig-1012-20261021 gcc-14
x86_64 randconfig-1013-20261020 clang-22
x86_64 randconfig-1013-20261021 gcc-13
x86_64 randconfig-1014-20261020 clang-22
x86_64 randconfig-1014-20261021 clang-22
x86_64 randconfig-1015-20261020 clang-22
x86_64 randconfig-1015-20261021 gcc-14
x86_64 randconfig-1016-20261020 clang-22
x86_64 randconfig-1016-20261021 clang-22
x86_64 randconfig-1017-20261020 clang-22
x86_64 randconfig-1017-20261021 clang-22
x86_64 rhel-9.4 clang-22
x86_64 rhel-9.4 gcc-14
x86_64 rhel-9.4-bpf gcc-14
x86_64 rhel-9.4-func clang-22
x86_64 rhel-9.4-func gcc-14
x86_64 rhel-9.4-kselftests clang-22
x86_64 rhel-9.4-kselftests gcc-14
x86_64 rhel-9.4-kunit gcc-14
x86_64 rhel-9.4-ltp gcc-14
x86_64 rhel-9.4-rust clang-22
xtensa allnoconfig clang-24
xtensa allnoconfig gcc-16.2.0
xtensa randconfig-1000-20261020 gcc-15.3.0
xtensa randconfig-1000-20261021 clang-24
xtensa randconfig-1001-20261020 gcc-9.5.0
xtensa randconfig-1001-20261021 clang-24
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [linux-next:master] BUILD REGRESSION 3d229ce89862b8e82d71a9e11d6f840ca272a6d6
2026-10-20 22:38 [linux-next:master] BUILD REGRESSION 3d229ce89862b8e82d71a9e11d6f840ca272a6d6 kernel test robot
@ 2026-10-20 23:39 ` Andrew Morton
2026-10-21 1:31 ` Philip Li
0 siblings, 1 reply; 3+ messages in thread
From: Andrew Morton @ 2026-10-20 23:39 UTC (permalink / raw)
To: kernel test robot
Cc: Linux Memory Management List, Mark Brown, Ingo Molnar,
Peter Zijlstra
On Wed, 21 Oct 2026 06:38:27 +0800 kernel test robot <lkp@intel.com> wrote:
> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> branch HEAD: 3d229ce89862b8e82d71a9e11d6f840ca272a6d6 Add linux-next specific files for 20261019
>
> Error/Warning (recently discovered and may have been fixed):
>
> https://lore.kernel.org/oe-kbuild-all/202610210232.uzFGXnjw-lkp@intel.com
> https://lore.kernel.org/oe-kbuild-all/202610210332.DDqYQv5K-lkp@intel.com
>
> arch/arm64/kvm/vgic/vgic-irs-v5.c:1016:15: warning: variable 'addr' set but not used [-Wunused-but-set-variable=]
> kernel/sched/ext/ext.c:5178:17: error: implicit declaration of function 'scx_reenq_wait_dispatching'; did you mean 'scx_wait_dispatching'? [-Wimplicit-function-declaration]
Thanks.
cc sched peeps.
hp2:/usr/src/linux-next> git grep -r scx_reenq_wait_dispatching .
kernel/sched/ext/ext.c: scx_reenq_wait_dispatching(p);
hp2:/usr/src/linux-next>
yeah, that'll do it. Probably already fixed.
> Unverified Error/Warning (likely false positive, kindly check if interested):
>
> fs/ext2/super.c:1040:7: warning: writing variable 's_mount_state' requires holding spinlock '_res->s_lock' exclusively [-Wthread-safety-precise]
> fs/ext2/super.c:1138:8: warning: writing variable 's_rsv_window_root' requires holding spinlock '_res->s_rsv_window_lock' exclusively [-Wthread-safety-precise]
I doubt if anything else can see these things within ->fill_super().
What tool generated these warnings?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [linux-next:master] BUILD REGRESSION 3d229ce89862b8e82d71a9e11d6f840ca272a6d6
2026-10-20 23:39 ` Andrew Morton
@ 2026-10-21 1:31 ` Philip Li
0 siblings, 0 replies; 3+ messages in thread
From: Philip Li @ 2026-10-21 1:31 UTC (permalink / raw)
To: Andrew Morton
Cc: kernel test robot, Linux Memory Management List, Mark Brown,
Ingo Molnar, Peter Zijlstra
On Tue, Oct 20, 2026 at 04:39:28PM -0700, Andrew Morton wrote:
> On Wed, 21 Oct 2026 06:38:27 +0800 kernel test robot <lkp@intel.com> wrote:
>
> > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > branch HEAD: 3d229ce89862b8e82d71a9e11d6f840ca272a6d6 Add linux-next specific files for 20261019
> >
> > Error/Warning (recently discovered and may have been fixed):
> >
> > https://lore.kernel.org/oe-kbuild-all/202610210232.uzFGXnjw-lkp@intel.com
> > https://lore.kernel.org/oe-kbuild-all/202610210332.DDqYQv5K-lkp@intel.com
> >
> > arch/arm64/kvm/vgic/vgic-irs-v5.c:1016:15: warning: variable 'addr' set but not used [-Wunused-but-set-variable=]
> > kernel/sched/ext/ext.c:5178:17: error: implicit declaration of function 'scx_reenq_wait_dispatching'; did you mean 'scx_wait_dispatching'? [-Wimplicit-function-declaration]
>
> Thanks.
>
> cc sched peeps.
>
> hp2:/usr/src/linux-next> git grep -r scx_reenq_wait_dispatching .
> kernel/sched/ext/ext.c: scx_reenq_wait_dispatching(p);
> hp2:/usr/src/linux-next>
>
> yeah, that'll do it. Probably already fixed.
>
> > Unverified Error/Warning (likely false positive, kindly check if interested):
> >
> > fs/ext2/super.c:1040:7: warning: writing variable 's_mount_state' requires holding spinlock '_res->s_lock' exclusively [-Wthread-safety-precise]
> > fs/ext2/super.c:1138:8: warning: writing variable 's_rsv_window_root' requires holding spinlock '_res->s_rsv_window_lock' exclusively [-Wthread-safety-precise]
>
> I doubt if anything else can see these things within ->fill_super().
> What tool generated these warnings?
Sorry, this is a false positive that there's reply from Marco Elver at [1] to
metion this is an unstable Clang issue.
I will update bot to filter this issue to avoid showing it in the report.
[1] https://lore.kernel.org/all/ataR1cznaBt-6ge2@elver.google.com/
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-10-21 1:32 UTC | newest]
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2026-10-20 22:38 [linux-next:master] BUILD REGRESSION 3d229ce89862b8e82d71a9e11d6f840ca272a6d6 kernel test robot
2026-10-20 23:39 ` Andrew Morton
2026-10-21 1:31 ` Philip Li
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