In /var/log/messages
Sep 7 09:13:13 updater: updater.c:7045 ==== Start flash update ====
Sep 7 09:13:13 updater: updater.c:7049 This is X86 platform
Sep 7 09:13:13 updater: boot/boot_lock.c(228): failed to mount boot device /dev/synoboot2 /tmp/bootmnt (errno:2)
Sep 7 09:13:13 updater: updater.c:6510 Failed to mount boot partition
Sep 7 09:13:13 updater: updater.c:3134 No need to reset reason for v.42214
Sep 7 09:13:13 updater: updater.c:7652 Failed to accomplish the update! (errno = 21)
Sep 7 09:13:13 install.cgi: ninstaller.c:1546 Executing [/tmpData/upd@te/updater -v /tmpData > /dev/null 2>&1] error[21]
Sep 7 09:13:15 install.cgi: ninstaller.c:123 Mount partion /dev/md0 /tmpRoot
Sep 7 09:13:15 install.cgi: ninstaller.c:1515 Moving updater for configuration upgrade...cmd=[/bin/mv -f /tmpData/upd@te/updater /tmpRoot/.updater > /dev/null 2>&1]
Sep 7 09:13:15 install.cgi: ninstaller.c:152 umount partition /tmpRoot
Sep 7 09:13:15 install.cgi: ErrFHOSTCleanPatchDirFile: After updating /tmpData/upd@te...cmd=[/bin/rm -rf /tmpData/upd@te > /dev/null 2>&1]
Sep 7 09:13:15 install.cgi: ErrFHOSTCleanPatchDirFile: Remove /tmpData/upd@te.pat...
Sep 7 09:13:15 install.cgi: ErrFHOSTDoUpgrade(1794): child process failed, retv=-21
Sep 7 09:13:15 install.cgi: ninstaller.c:1811(ErrFHOSTDoUpgrade) err=[-1]
Sep 7 09:13:15 install.cgi: ninstaller.c:1815(ErrFHOSTDoUpgrade) retv=[-21]
Sep 7 09:13:15 install.cgi: install.c:409 Upgrade by the manual patch fail.
Sep 7 09:13:15 install.cgi: install.c:678 Upgrade by the uploaded patch /tmpData/@autoupdate/upload.pat fail.
any ideas?