Hello, In the last couple of days I saw a series of these errors. Can someone say what it is and what consequences it has? I assume dataloss is always the case, right? [460976.529867] fd_do_rw() returned -22 for non S_ISBLK [460977.529895] fd_do_rw() returned -22 for non S_ISBLK [460978.530471] fd_do_rw() returned -22 for non S_ISBLK [460979.530994] fd_do_rw() returned -22 for non S_ISBLK [467598.475214] fd_do_rw() returned -22 for non S_ISBLK [467599.151055] fd_do_rw() returned -22 for non S_ISBLK [467600.150796] fd_do_rw() returned -22 for non S_ISBLK [467601.151342] fd_do_rw() returned -22 for non S_ISBLK This is on Ubuntu 13.10 with kernel 3.11.0-14 (customly patched for fileio): uname -a Linux linuxstore-1 3.11.0-14-generic #21 SMP Tue Dec 10 16:54:51 CET 2013 x86_64 x86_64 x86_64 GNU/Linux Thanks. -- Henrik -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html