Description of problem: anolis8.6 aarch64环境，alitests nightly测试case:chrt01报错chrt: failed to set tid 1143529's policy: Operation not permitted Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 下载alitests测试代码 2. 编译： export BUILD_ALITESTS_ONLY=yes export CFLAGS="${CFLAGS} -fcommon" make autotools ./configure make && make install cd /opt/ltp ./runltp -f alitests -s chrt01 Actual results: Running tests....... <<<test_start>>> tag=chrt01 stime=1674032408 cmdline="chrt01.sh" contacts="" analysis=exit <<<test_output>>> incrementing stop /tmp/tone/run/alitests/testcases/bin/chrt01.sh: line 42: echo: write error: Invalid argument /tmp/tone/run/alitests/testcases/bin/chrt01.sh: line 44: echo: write error: Invalid argument chrt: failed to set tid 1143764's policy: Operation not permitted chrt01 1 TFAIL: 'chrt' failed to set scheduling policy. Summary: passed 0 failed 1 skipped 0 warnings 0 <<<execution_status>>> initiation_status="ok" duration=0 termination_type=exited termination_id=1 corefile=no cutime=2 cstime=34 <<<test_end>>> INFO: ltp-pan reported some tests FAIL LTP Version: 20180515 ############################################################### Done executing testcases. LTP Version: 20180515 ############################################################### RUNLTP_END [root@l57f12084 alitests]# [root@l57f12084 alitests]# uname -r 4.19.91-603.git.c452e2d70.an8.aarch64 [root@l57f12084 alitests]# cat /etc/anolis-release Anolis OS release 8.6 Expected results: case pass Additional info: [root@l57f12084 alitests]# uname -r 4.19.91-603.git.c452e2d70.an8.aarch64 [root@l57f12084 alitests]# cat /etc/anolis-release Anolis OS release 8.6 [root@l57f12084 alitests]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 378G 0 378G 0% /dev tmpfs 378G 0 378G 0% /dev/shm tmpfs 378G 4.2G 374G 2% /run tmpfs 378G 0 378G 0% /sys/fs/cgroup /dev/sda2 49G 25G 22G 53% / /dev/sda1 1022M 6.7M 1016M 1% /boot/efi tmpfs 76G 0 76G 0% /run/user/0 [root@l57f12084 alitests]# free -g total used free shared buff/cache available Mem: 755 12 736 4 6 736 Swap: 1 0 1 [root@l57f12084 alitests]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 378G 0 378G 0% /dev tmpfs 378G 0 378G 0% /dev/shm tmpfs 378G 4.2G 374G 2% /run tmpfs 378G 0 378G 0% /sys/fs/cgroup /dev/sda2 49G 25G 22G 53% / /dev/sda1 1022M 6.7M 1016M 1% /boot/efi tmpfs 76G 0 76G 0% /run/user/0 [root@l57f12084 alitests]# cat /proc/cmdline BOOT_IMAGE=(hd1,gpt2)/boot/vmlinuz-4.19.91-603.git.c452e2d70.an8.aarch64 root=UUID=a8b992b0-b11c-458a-9df7-c2bd045be4b9 ro console=tty0 console=ttyS0,115200 rd.driver.pre=ahci crashkernel=0M-2G:0M,2G-8G:192M,8G-:256M [root@l57f12084 alitests]# lscpu Architecture: aarch64 Byte Order: Little Endian CPU(s): 96 On-line CPU(s) list: 0-95 Thread(s) per core: 1 Core(s) per socket: 48 Socket(s): 2 NUMA node(s): 1 Vendor ID: HiSilicon BIOS Vendor ID: HiSilicon Model: 0 Model name: Kunpeng-920 BIOS Model name: HUAWEI Kunpeng 920 5250 Stepping: 0x1 CPU max MHz: 2600.0000 CPU min MHz: 200.0000 BogoMIPS: 200.00 L1d cache: 64K L1i cache: 64K L2 cache: 512K L3 cache: 24576K NUMA node0 CPU(s): 0-95 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma dcpop asimddp asimdfhm [root@l57f12084 alitests]#