Hi list, I am in the process of migrating an embedded project from ext2 to nilfs2 and have a problem with nilfs_cleanerd. It does not start on mount and I cannot start it manually. The below sequence is reproduced on the build system, a QEMU i586, with a similar kernel as the target (also i586, AMD Geode LX): # mkfs.nilfs2 /dev/sdb1 mkfs.nilfs2 (nilfs-utils 2.1.1) Start writing file system initial data to the device Blocksize:4096 Device:/dev/sdb1 Device Size:2146765824 File system initialization succeeded !! # mount.nilfs2 /dev/sdb1 /mnt/cf # echo $? 0 # mount | grep nilfs /dev/sdb1 on /mnt/cf type nilfs2 (rw,gcpid=489) # nilfs-clean -l No cleaner found on /dev/sdb1. # dmesg | tail ... segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds # tail /var/log/syslog ... Mar 14 16:48:50 monit kernel: segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds Mar 14 16:48:51 monit nilfs_cleanerd[489]: start Mar 14 16:48:51 monit nilfs_cleanerd[489]: cannot open nilfs on /dev/sdb1: Function not implemented Mar 14 16:48:51 monit nilfs_cleanerd[489]: cannot create cleanerd on /dev/sdb1: Function not implemented Mar 14 16:48:51 monit nilfs_cleanerd[489]: shutdown Trying to start it manually with nilfs_cleanerd /dev/sdb1 gives the same result. Kernel is a lean vanilla 3.2.11, but I have tried most 3.2.x kernels. To a novice, like me, the lengthy strace below seems to suggest a socket error of some sort (sendto(-1218631408,...). Are there any specific kernel CONFIGs needed to get it going? /S-G # strace -f /sbin/nilfs_cleanerd /dev/sdb1 execve("/sbin/nilfs_cleanerd", ["/sbin/nilfs_cleanerd", "/dev/sdb1"], [/* 13 vars */]) = 0 brk(0) = 0x8dfd000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7742000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=17637, ...}) = 0 mmap2(NULL, 17637, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb773d000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/usr/lib/libnilfs.so.0", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260\22"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=24842, ...}) = 0 mmap2(NULL, 17896, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7738000 mmap2(0xb773c000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4) = 0xb773c000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/usr/lib/libnilfsgc.so.0", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\16"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=19922, ...}) = 0 mmap2(NULL, 17340, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7733000 mmap2(0xb7737000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3) = 0xb7737000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/librt.so.1", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240\30"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=30624, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7732000 mmap2(NULL, 33336, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7729000 mmap2(0xb7730000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6) = 0xb7730000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260e\1"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1294572, ...}) = 0 mmap2(NULL, 1300080, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75eb000 mmap2(0xb7723000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x138) = 0xb7723000 mmap2(0xb7726000, 9840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7726000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libpthread.so.0", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220G\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=112012, ...}) = 0 mmap2(NULL, 94688, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75d3000 mmap2(0xb75e7000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13) = 0xb75e7000 mmap2(0xb75e9000, 4576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb75e9000 close(3) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb75d2000 set_thread_area({entry_number:-1 -> 6, base_addr:0xb75d28c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 mprotect(0xb7723000, 4096, PROT_READ) = 0 munmap(0xb773d000, 17637) = 0 set_tid_address(0xb75d2908) = 1224 sendto(-1218631408, umovestr: Input/output error 0xc, 3076423668, MSG_EOR|MSG_ERRQUEUE|MSG_DONTWAIT|MSG_CONFIRM|0xb75d0000, {sa_family=0xed31 /* AF_??? */, sa_data="^\211\341\203\344\360PTRh\300\334\4\10"}, 3220150176) = 0 futex(0xbfef9790, 0x81 /* FUTEX_??? */, 1) = 0 rt_sigaction(SIGRTMIN, {0xb75d7280, [], SA_SIGINFO}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {0xb75d7680, [], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0 uname({sys="Linux", node="monit.site.tpm", ...}) = 0 readlink("/dev", 0xbfef771f, 4096) = -1 EINVAL (Invalid argument) readlink("/dev/sdb1", 0xbfef771f, 4096) = -1 EINVAL (Invalid argument) brk(0) = 0x8dfd000 brk(0x8e1e000) = 0x8e1e000 clone(Process 1225 attached child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb75d2908) = 1225 [pid 1224] exit_group(0) = ? Process 1224 detached setsid() = 1225 chdir("/") = 0 close(0) = 0 close(1) = 0 close(2) = 0 open("/dev/null", O_RDONLY) = 0 open("/dev/null", O_WRONLY) = 1 open("/dev/null", O_WRONLY) = 2 time(NULL) = 1331898633 open("/etc/localtime", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=1892, ...}) = 0 fstat64(3, {st_mode=S_IFREG|0644, st_size=1892, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7741000 read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0"..., 4096) = 1892 _llseek(3, -28, [1864], SEEK_CUR) = 0 read(3, "\nCET-1CEST,M3.5.0,M10.5.0/3\n", 4096) = 28 close(3) = 0 munmap(0xb7741000, 4096) = 0 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1892, ...}) = 0 socket(PF_FILE, SOCK_DGRAM, 0) = 3 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 connect(3, {sa_family=AF_FILE, path="/dev/log"}, 110) = 0 send(3, "<30>Mar 16 12:50:33 nilfs_cleane"..., 47, MSG_NOSIGNAL) = 47 open("/dev/sdb1", O_RDONLY) = 4 ioctl(4, BLKGETSIZE64, 0xbfef8658) = 0 lseek(4, 1024, SEEK_SET) = 1024 read(4, "\2\0\0\0\0\00044\30\1\0\0KH.\227\17t\213\r\2\0\0\0\377"..., 1024) = 1024 lseek(4, 2146758656, SEEK_SET) = 2146758656 read(4, "\2\0\0\0\0\00044\30\1\0\0KH.\227\17t\213\r\2\0\0\0\377"..., 1024) = 1024 readlink("/dev", 0xbfef5e4f, 4096) = -1 EINVAL (Invalid argument) readlink("/dev/sdb1", 0xbfef5e4f, 4096) = -1 EINVAL (Invalid argument) open("/proc/mounts", O_RDONLY) = 5 fstat64(5, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7741000 read(5, "rootfs / rootfs rw 0 0\nprocfs /p"..., 1024) = 765 readlink("/dev", 0xbfef5e4f, 4096) = -1 EINVAL (Invalid argument) readlink("/dev/sdb1", 0xbfef5e4f, 4096) = -1 EINVAL (Invalid argument) close(5) = 0 munmap(0xb7741000, 4096) = 0 open("/mnt/cf", O_RDONLY) = 5 stat64("/dev/sdb1", {st_mode=S_IFBLK|0660, st_rdev=makedev(8, 17), ...}) = 0 statfs("/dev/shm", {f_type=0x858458f6, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0 open("/proc/mounts", O_RDONLY) = 6 fstat64(6, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7741000 read(6, "rootfs / rootfs rw 0 0\nprocfs /p"..., 1024) = 765 statfs("/lib/init/rw", {f_type=0x858458f6, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0 statfs("/dev", {f_type=0x858458f6, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0 statfs("/dev/shm", {f_type=0x858458f6, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0 read(6, "", 1024) = 0 close(6) = 0 munmap(0xb7741000, 4096) = 0 futex(0xb75ea184, 0x81 /* FUTEX_??? */, 2147483647) = 0 close(4) = 0 close(5) = 0 time(NULL) = 1331898633 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1892, ...}) = 0 send(3, "<27>Mar 16 12:50:33 nilfs_cleane"..., 98, MSG_NOSIGNAL) = 98 time(NULL) = 1331898633 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1892, ...}) = 0 send(3, "<27>Mar 16 12:50:33 nilfs_cleane"..., 103, MSG_NOSIGNAL) = 103 time(NULL) = 1331898633 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1892, ...}) = 0 send(3, "<30>Mar 16 12:50:33 nilfs_cleane"..., 50, MSG_NOSIGNAL) = 50 close(3) = 0 exit_group(1) = ? Process 1225 detached -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html