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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed "ltp.prctl08.fail" on: commit: 2aa2f0a955c7459279e861f62c770f5f81d64f4f ("[PATCH] sched/fork: Fix = timer_slack_ns inheritance for RT tasks") url: https://github.com/intel-lab-lkp/linux/commits/Xiao-Feng-via-B4-Relay/= sched-fork-Fix-timer_slack_ns-inheritance-for-RT-tasks/20260520-210956 patch link: https://lore.kernel.org/all/20260520-sched-fork-fix-timer-slack= -v1-1-d4fc937245b2@xiaomi.com/ patch subject: [PATCH] sched/fork: Fix timer_slack_ns inheritance for RT ta= sks in testcase: ltp version:=20 with following parameters: disk: 1HDD fs: ext4 test: syscalls-05 config: x86_64-rhel-9.4-ltp compiler: gcc-14 test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00G= Hz (Cascade Lake) with 128G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202605281011.2ba77cc3-lkp@intel.co= m 2026-05-29 16:17:35 kirk -f syscalls-05 --tmp-dir /fs/sda1/tmpdir Host information Hostname: lkp-csl-d02 Python: 3.13.5 (main, Jun 25 2025, 18:55:22) [GCC 14.2.0] Directory: /fs/sda1/tmpdir/kirk.root/tmp0lg24sa6 Connecting to SUT: default Suite: syscalls-05 =E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2= =94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80 ... =1B[1;37mprctl02: =1B[0m=1B[1;32mpass=1B[0m | =1B[1;33mtainted=1B[0m (0.01= 1s) =1B[1;37mprctl08: =1B[0m=1B[1;31mfail=1B[0m | =1B[1;33mtainted=1B[0m (0.01= 1s) <--- =1B[1;37mpreadv203: =1B[0m=1B[1;36mskip=1B[0m | =1B[1;33mtainted=1B[0m (47= .775s) =1B[1;37mprofil01: =1B[0m=1B[1;32mpass=1B[0m | =1B[1;33mtainted=1B[0m (5.0= 05s) ... Execution time: 9m 8s Disconnecting from SUT: default Target information =E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2= =94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80 Kernel: Linux 7.1.0-rc4+ #1 SMP PREEMPT_DYNAMIC Tue May 26 16:01:55 CST 2= 026 Cmdline: ip=3D::::lkp-csl-d02::dhcp root=3D/dev/ram0 RESULT_ROOT=3D/result/ltp/1HDD-ext4-syscalls-05/lkp-csl-d02/debia= n-13-x86_64-20250902.cgz/x86_64-rhel-9.4-ltp/gcc-14/2aa2f0a955c7459279e861f= 62c770f5f81d64f4f/0 BOOT_IMAGE=3D/pkg/linux/x86_64-rhel-9.4-ltp/gcc-14/2aa2f0a955c745= 9279e861f62c770f5f81d64f4f/vmlinuz-7.1.0-rc4+ branch=3Dlinux-devel/devel-hourly-20260521-050335 job=3D/lkp/jobs/scheduled/lkp-csl-d02/ltp-1HDD-ext4-syscalls-05-d= ebian-13-x86_64-20250902.cgz-2aa2f0a955c7-20260526-26280-5dbkeb-0.yaml user=3Dlkp ARCH=3Dx86_64 kconfig=3Dx86_64-rhel-9.4-ltp commit=3D2aa2f0a955c7459279e861f62c770f5f81d64f4f intremap=3Dposted_msi acpi_rsdp=3D0x36983000 max_uptime=3D14400 LKP_SERVER=3D10.239.97.5 nokaslr selinux=3D0 debug apic=3Ddebug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=3D100 net.ifnames=3D0 printk.devkmsg=3Don panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic oops=3Dpanic load_ramdisk=3D2 prompt_ramdisk=3D0 drbd.minor_count=3D8 systemd.log_level=3Derr ignore_loglevel console=3Dtty0 earlyprintk=3DttyS0,115200 console=3DttyS0,115200 vga=3Dnormal rw keep_initrds=3D/osimage/pkg/debian-13-x86_64-20250902.cgz/ltp-x86= _64-8cd7644a5-1_20260514.cgz acpi_rsdp=3D0x36983000 Machine: unknown Arch: x86_64 RAM: 114660756 kB Swap: 0 kB Distro: debian 13 =E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2= =94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80 TEST SUMMARY =E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2= =94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80 Suite: syscalls-05 Runtime: 9m 4s Runs: 189 Results: Passed: 1293 Failed: 3 Broken: 0 Skipped: 38 Warnings: 0 =1B[1;31mFailures:=1B[0m =E2=80=A2 prctl08 Session stopped The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260528/202605281011.2ba77cc3-lkp@= intel.com --=20 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki