[Xperia Arc Q&A, Help & Troubleshooting] cashher:
Hello,

I had try a few time to root my SE Arc S with DoomLord.

But everytime i try it i get the next error:

busybox: /system/xbin/dhcprelay: Read-only file system
busybox: /system/xbin/diff: Read-only file system
busybox: /system/xbin/dirname: Read-only file system
busybox: /system/xbin/dmesg: Read-only file system
busybox: /system/xbin/dnsd: Read-only file system
busybox: /system/xbin/dnsdomainname: Read-only file system
busybox: /system/xbin/dos2unix: Read-only file system
busybox: /system/xbin/du: Read-only file system
busybox: /system/xbin/dumpkmap: Read-only file system
busybox: /system/xbin/dumpleases: Read-only file system
busybox: /system/xbin/echo: Read-only file system
busybox: /system/xbin/ed: Read-only file system
busybox: /system/xbin/egrep: Read-only file system
busybox: /system/xbin/eject: Read-only file system
busybox: /system/xbin/env: Read-only file system
busybox: /system/xbin/envdir: Read-only file system
busybox: /system/xbin/envuidgid: Read-only file system
busybox: /system/xbin/ether-wake: Read-only file system
busybox: /system/xbin/expand: Read-only file system
busybox: /system/xbin/expr: Read-only file system
busybox: /system/xbin/fakeidentd: Read-only file system
busybox: /system/xbin/false: Read-only file system
busybox: /system/xbin/fbset: Read-only file system
busybox: /system/xbin/fbsplash: Read-only file system
busybox: /system/xbin/fdflush: Read-only file system
busybox: /system/xbin/fdformat: Read-only file system
busybox: /system/xbin/fdisk: Read-only file system
busybox: /system/xbin/fgconsole: Read-only file system
busybox: /system/xbin/fgrep: Read-only file system
busybox: /system/xbin/find: Read-only file system
busybox: /system/xbin/findfs: Read-only file system
busybox: /system/xbin/flock: Read-only file system
busybox: /system/xbin/fold: Read-only file system
busybox: /system/xbin/free: Read-only file system
busybox: /system/xbin/freeramdisk: Read-only file system
busybox: /system/xbin/fsck: Read-only file system
busybox: /system/xbin/fsck.minix: Read-only file system
busybox: /system/xbin/fsync: Read-only file system
busybox: /system/xbin/ftpd: Read-only file system
busybox: /system/xbin/ftpget: Read-only file system
busybox: /system/xbin/ftpput: Read-only file system
busybox: /system/xbin/fuser: Read-only file system
busybox: /system/xbin/getopt: Read-only file system
busybox: /system/xbin/getty: Read-only file system
busybox: /system/xbin/grep: Read-only file system
busybox: /system/xbin/gunzip: Read-only file system
busybox: /system/xbin/gzip: Read-only file system
busybox: /system/xbin/halt: Read-only file system
busybox: /system/xbin/hd: Read-only file system
busybox: /system/xbin/hdparm: Read-only file system
busybox: /system/xbin/head: Read-only file system
busybox: /system/xbin/hexdump: Read-only file system
busybox: /system/xbin/hostid: Read-only file system
busybox: /system/xbin/hostname: Read-only file system
busybox: /system/xbin/httpd: Read-only file system
busybox: /system/xbin/hush: Read-only file system
busybox: /system/xbin/hwclock: Read-only file system
busybox: /system/xbin/id: Read-only file system
busybox: /system/xbin/ifconfig: Read-only file system
busybox: /system/xbin/ifdown: Read-only file system
busybox: /system/xbin/ifenslave: Read-only file system
busybox: /system/xbin/ifplugd: Read-only file system
busybox: /system/xbin/ifup: Read-only file system
busybox: /system/xbin/inetd: Read-only file system
busybox: /system/xbin/init: Read-only file system
busybox: /system/xbin/insmod: Read-only file system
busybox: /system/xbin/install: Read-only file system
busybox: /system/xbin/ionice: Read-only file system
busybox: /system/xbin/iostat: Read-only file system
busybox: /system/xbin/ip: Read-only file system
busybox: /system/xbin/ipaddr: Read-only file system
busybox: /system/xbin/ipcalc: Read-only file system
busybox: /system/xbin/ipcrm: Read-only file system
busybox: /system/xbin/ipcs: Read-only file system
busybox: /system/xbin/iplink: Read-only file system
busybox: /system/xbin/iproute: Read-only file system
busybox: /system/xbin/iprule: Read-only file system
busybox: /system/xbin/iptunnel: Read-only file system
busybox: /system/xbin/kbd_mode: Read-only file system
busybox: /system/xbin/kill: Read-only file system
busybox: /system/xbin/killall: Read-only file system
busybox: /system/xbin/killall5: Read-only file system
busybox: /system/xbin/klogd: Read-only file system
busybox: /system/xbin/last: Read-only file system
busybox: /system/xbin/length: Read-only file system
busybox: /system/xbin/less: Read-only file system
busybox: /system/xbin/linux32: Read-only file system
busybox: /system/xbin/linux64: Read-only file system
busybox: /system/xbin/linuxrc: Read-only file system
busybox: /system/xbin/ln: Read-only file system
busybox: /system/xbin/loadfont: Read-only file system
busybox: /system/xbin/loadkmap: Read-only file system
busybox: /system/xbin/logger: Read-only file system
busybox: /system/xbin/login: Read-only file system
busybox: /system/xbin/logname: Read-only file system
busybox: /system/xbin/logread: Read-only file system
busybox: /system/xbin/losetup: Read-only file system
busybox: /system/xbin/lpd: Read-only file system
busybox: /system/xbin/lpq: Read-only file system
busybox: /system/xbin/lpr: Read-only file system
busybox: /system/xbin/ls: Read-only file system
busybox: /system/xbin/lsattr: Read-only file system
busybox: /system/xbin/lsmod: Read-only file system
busybox: /system/xbin/lspci: Read-only file system
busybox: /system/xbin/lsusb: Read-only file system
busybox: /system/xbin/lzcat: Read-only file system
busybox: /system/xbin/lzma: Read-only file system
busybox: /system/xbin/lzop: Read-only file system
busybox: /system/xbin/lzopcat: Read-only file system
busybox: /system/xbin/makedevs: Read-only file system
busybox: /system/xbin/makemime: Read-only file system
busybox: /system/xbin/man: Read-only file system
busybox: /system/xbin/md5sum: Read-only file system
busybox: /system/xbin/mdev: Read-only file system
busybox: /system/xbin/mesg: Read-only file system
busybox: /system/xbin/microcom: Read-only file system
busybox: /system/xbin/mkdir: Read-only file system
busybox: /system/xbin/mkdosfs: Read-only file system
busybox: /system/xbin/mke2fs: Read-only file system
busybox: /system/xbin/mkfifo: Read-only file system
busybox: /system/xbin/mkfs.ext2: Read-only file system
busybox: /system/xbin/mkfs.minix: Read-only file system
busybox: /system/xbin/mkfs.vfat: Read-only file system
busybox: /system/xbin/mknod: Read-only file system
busybox: /system/xbin/mkpasswd: Read-only file system
busybox: /system/xbin/mkswap: Read-only file system
busybox: /system/xbin/mktemp: Read-only file system
busybox: /system/xbin/modinfo: Read-only file system
busybox: /system/xbin/modprobe: Read-only file system
busybox: /system/xbin/more: Read-only file system
busybox: /system/xbin/mount: Read-only file system
busybox: /system/xbin/mountpoint: Read-only file system
busybox: /system/xbin/mpstat: Read-only file system
busybox: /system/xbin/mt: Read-only file system
busybox: /system/xbin/mv: Read-only file system
busybox: /system/xbin/nameif: Read-only file system
busybox: /system/xbin/nbd-client: Read-only file system
busybox: /system/xbin/nc: Read-only file system
busybox: /system/xbin/netstat: Read-only file system
busybox: /system/xbin/nice: Read-only file system
busybox: /system/xbin/nmeter: Read-only file system
busybox: /system/xbin/nohup: Read-only file system
busybox: /system/xbin/nslookup: Read-only file system
busybox: /system/xbin/ntpd: Read-only file system
busybox: /system/xbin/od: Read-only file system
busybox: /system/xbin/openvt: Read-only file system
busybox: /system/xbin/passwd: Read-only file system
busybox: /system/xbin/patch: Read-only file system
busybox: /system/xbin/pgrep: Read-only file system
busybox: /system/xbin/pidof: Read-only file system
busybox: /system/xbin/ping: Read-only file system
busybox: /system/xbin/ping6: Read-only file system
busybox: /system/xbin/pipe_progress: Read-only file system
busybox: /system/xbin/pivot_root: Read-only file system
busybox: /system/xbin/pkill: Read-only file system
busybox: /system/xbin/pmap: Read-only file system
busybox: /system/xbin/popmaildir: Read-only file system
busybox: /system/xbin/poweroff: Read-only file system
busybox: /system/xbin/powertop: Read-only file system
busybox: /system/xbin/printenv: Read-only file system
busybox: /system/xbin/printf: Read-only file system
busybox: /system/xbin/ps: Read-only file system
busybox: /system/xbin/pscan: Read-only file system
busybox: /system/xbin/pwd: Read-only file system
busybox: /system/xbin/raidautorun: Read-only file system
busybox: /system/xbin/rdate: Read-only file system
busybox: /system/xbin/rdev: Read-only file system
busybox: /system/xbin/readahead: Read-only file system
busybox: /system/xbin/readlink: Read-only file system
busybox: /system/xbin/readprofile: Read-only file system
busybox: /system/xbin/realpath: Read-only file system
busybox: /system/xbin/reboot: Read-only file system
busybox: /system/xbin/reformime: Read-only file system
busybox: /system/xbin/remove-shell: Read-only file system
busybox: /system/xbin/renice: Read-only file system
busybox: /system/xbin/reset: Read-only file system
busybox: /system/xbin/resize: Read-only file system
busybox: /system/xbin/rev: Read-only file system
busybox: /system/xbin/rm: Read-only file system
busybox: /system/xbin/rmdir: Read-only file system
busybox: /system/xbin/rmmod: Read-only file system
busybox: /system/xbin/route: Read-only file system
busybox: /system/xbin/rpm: Read-only file system
busybox: /system/xbin/rpm2cpio: Read-only file system
busybox: /system/xbin/rtcwake: Read-only file system
busybox: /system/xbin/run-parts: Read-only file system
busybox: /system/xbin/runlevel: Read-only file system
busybox: /system/xbin/runsv: Read-only file system
busybox: /system/xbin/runsvdir: Read-only file system
busybox: /system/xbin/rx: Read-only file system
busybox: /system/xbin/script: Read-only file system
busybox: /system/xbin/scriptreplay: Read-only file system
busybox: /system/xbin/sed: Read-only file system
busybox: /system/xbin/sendmail: Read-only file system
busybox: /system/xbin/seq: Read-only file system
busybox: /system/xbin/setarch: Read-only file system
busybox: /system/xbin/setconsole: Read-only file system
busybox: /system/xbin/setfont: Read-only file system
busybox: /system/xbin/setkeycodes: Read-only file system
busybox: /system/xbin/setlogcons: Read-only file system
busybox: /system/xbin/setsid: Read-only file system
busybox: /system/xbin/setuidgid: Read-only file system
busybox: /system/xbin/sh: Read-only file system
busybox: /system/xbin/sha1sum: Read-only file system
busybox: /system/xbin/sha256sum: Read-only file system
busybox: /system/xbin/sha512sum: Read-only file system
busybox: /system/xbin/showkey: Read-only file system
busybox: /system/xbin/slattach: Read-only file system
busybox: /system/xbin/sleep: Read-only file system
busybox: /system/xbin/smemcap: Read-only file system
busybox: /system/xbin/softlimit: Read-only file system
busybox: /system/xbin/sort: Read-only file system
busybox: /system/xbin/split: Read-only file system
busybox: /system/xbin/start-stop-daemon: Read-only file system
busybox: /system/xbin/stat: Read-only file system
busybox: /system/xbin/strings: Read-only file system
busybox: /system/xbin/stty: Read-only file system
busybox: /system/xbin/su: Read-only file system
busybox: /system/xbin/sulogin: Read-only file system
busybox: /system/xbin/sum: Read-only file system
busybox: /system/xbin/sv: Read-only file system
busybox: /system/xbin/svlogd: Read-only file system
busybox: /system/xbin/swapoff: Read-only file system
busybox: /system/xbin/swapon: Read-only file system
busybox: /system/xbin/switch_root: Read-only file system
busybox: /system/xbin/sync: Read-only file system
busybox: /system/xbin/sysctl: Read-only file system
busybox: /system/xbin/syslogd: Read-only file system
busybox: /system/xbin/tac: Read-only file system
busybox: /system/xbin/tail: Read-only file system
busybox: /system/xbin/tar: Read-only file system
busybox: /system/xbin/tcpsvd: Read-only file system
busybox: /system/xbin/tee: Read-only file system
busybox: /system/xbin/telnet: Read-only file system
busybox: /system/xbin/telnetd: Read-only file system
busybox: /system/xbin/test: Read-only file system
busybox: /system/xbin/tftp: Read-only file system
busybox: /system/xbin/tftpd: Read-only file system
busybox: /system/xbin/time: Read-only file system
busybox: /system/xbin/timeout: Read-only file system
busybox: /system/xbin/top: Read-only file system
busybox: /system/xbin/touch: Read-only file system
busybox: /system/xbin/tr: Read-only file system
busybox: /system/xbin/traceroute: Read-only file system
busybox: /system/xbin/traceroute6: Read-only file system
busybox: /system/xbin/true: Read-only file system
busybox: /system/xbin/tty: Read-only file system
busybox: /system/xbin/ttysize: Read-only file system
busybox: /system/xbin/tunctl: Read-only file system
busybox: /system/xbin/udhcpc: Read-only file system
busybox: /system/xbin/udhcpd: Read-only file system
busybox: /system/xbin/udpsvd: Read-only file system
busybox: /system/xbin/umount: Read-only file system
busybox: /system/xbin/uname: Read-only file system
busybox: /system/xbin/uncompress: Read-only file system
busybox: /system/xbin/unexpand: Read-only file system
busybox: /system/xbin/uniq: Read-only file system
busybox: /system/xbin/unix2dos: Read-only file system
busybox: /system/xbin/unlzma: Read-only file system
busybox: /system/xbin/unlzop: Read-only file system
busybox: /system/xbin/unxz: Read-only file system
busybox: /system/xbin/unzip: Read-only file system
busybox: /system/xbin/uptime: Read-only file system
busybox: /system/xbin/usleep: Read-only file system
busybox: /system/xbin/uudecode: Read-only file system
busybox: /system/xbin/uuencode: Read-only file system
busybox: /system/xbin/vconfig: Read-only file system
busybox: /system/xbin/vi: Read-only file system
busybox: /system/xbin/vlock: Read-only file system
busybox: /system/xbin/volname: Read-only file system
busybox: /system/xbin/wall: Read-only file system
busybox: /system/xbin/watch: Read-only file system
busybox: /system/xbin/watchdog: Read-only file system
busybox: /system/xbin/wc: Read-only file system
busybox: /system/xbin/wget: Read-only file system
busybox: /system/xbin/which: Read-only file system
busybox: /system/xbin/who: Read-only file system
busybox: /system/xbin/whoami: Read-only file system
busybox: /system/xbin/xargs: Read-only file system
busybox: /system/xbin/xz: Read-only file system
busybox: /system/xbin/xzcat: Read-only file system
busybox: /system/xbin/yes: Read-only file system
busybox: /system/xbin/zcat: Read-only file system
busybox: /system/xbin/zcip: Read-only file system
--- pushing SU binary
failed to copy 'files\su' to '/system/bin/su': Read-only file system
--- correcting ownership
Unable to chmod /system/bin/su: No such file or directory
--- correcting permissions
Unable to chmod /system/bin/su: No such file or directory
--- correcting symlinks
rm failed for /system/xbin/su, Read-only file system
link failed Read-only file system
--- pushing Superuser app
failed to copy 'files\Superuser.apk' to '/system/app/./Superuser.apk': Read-only
file system
--- cleaning
--- rebooting
ALL DONE!!!

failed to copy 'files\Superuser.apk' to '/system/app/./Superuser.apk': Read-only

How can i solve this problem?

Sony Ericsson Xperia Arc S (LT18i)

4.0.4

2.6.32.9-perf BuildUser@BuildHost#1

4.1.B.0.587

(Windows 7 Ultimate)

DooMLoRD_v3_ROOT-zergRush-busybox-su

Thanks.