Comment 8 for bug 1755499

arm64:

statfs("/mnt/scratch/079", {f_type=ZFS_SUPER_MAGIC, f_bsize=131072, f_blocks=15097, f_bfree=15097, f_bavail=15097, f_files=3864945, f_ffree=3864939, f_fsid={val=[2326582274, 8984039]}, f_namelen=255, f_frsize=131072, f_flags=ST_VALID|ST_RELATIME}) = 0
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR) = -1 EACCES (Permission denied)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY) = -1 EACCES (Permission denied)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR|O_TRUNC) = -1 EACCES (Permission denied)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY|O_TRUNC) = -1 EACCES (Permission denied)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR|O_APPEND) = -1 EACCES (Permission denied)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY|O_APPEND) = -1 EACCES (Permission denied)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR|O_TRUNC|O_APPEND) = -1 EACCES (Permission denied)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY|O_TRUNC|O_APPEND) = -1 EACCES (Permission denied)
truncate("/mnt/scratch/079/immutable.f", 0) = -1 EACCES (Permission denied)
utimensat(AT_FDCWD, "/mnt/scratch/079/immutable.f", [{tv_sec=0, tv_nsec=0}, {tv_sec=0, tv_nsec=0}], 0) = -1 EPERM (Operation not permitted)
utimensat(AT_FDCWD, "/mnt/scratch/079/immutable.f", NULL, 0) = -1 EPERM (Operation not permitted)

x86:
statfs("/mnt/scratch/079", {f_type=ZFS_SUPER_MAGIC, f_bsize=131072, f_blocks=15102, f_bfree=15102, f_bavail=15102, f_files=3866273, f_ffree=3866267, f_fsid={val=[4130572324, 1396799]}, f_namelen=255, f_frsize=131072, f_flags=ST_VALID|ST_RELATIME}) = 0
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR) = -1 EPERM (Operation not permitted)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY) = -1 EPERM (Operation not permitted)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR|O_TRUNC) = -1 EPERM (Operation not permitted)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY|O_TRUNC) = -1 EPERM (Operation not permitted)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR|O_APPEND) = -1 EPERM (Operation not permitted)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY|O_APPEND) = -1 EPERM (Operation not permitted)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_RDWR|O_TRUNC|O_APPEND) = -1 EPERM (Operation not permitted)
openat(AT_FDCWD, "/mnt/scratch/079/immutable.f", O_WRONLY|O_TRUNC|O_APPEND) = -1 EPERM (Operation not permitted)
truncate("/mnt/scratch/079/immutable.f", 0) = -1 EPERM (Operation not permitted)
utime("/mnt/scratch/079/immutable.f", {actime=0, modtime=0}) = -1 EPERM (Operation not permitted)
utime("/mnt/scratch/079/immutable.f", NULL) = -1 EPERM (Operation not permitted)