svn 1343 kernel 2.6.6 Step: On node A, call truncate(filename, size) in loop and at the same time, call stat to filename at node B Result On node A, the process went into "D" status On node B, the process exit regular. The call stack on Node A for truncate schedule ocfs_lookup_file_allocation ocfs_get_block ocfs2_zero_extend ocfs_setattr sys_truncate It is in some down fail. Not sure whether it fails in down_read(&OCFS_I(inode)->ip_io_sem); or down(&OCFS_I(inode)->ip_sem) ------------------- Intel China Software Lab. iNet: 8-752-1243 8621-52574545-1243(O) 503-712-6740(Temp) xfling@users.sourceforge.net Opinions are my own and don't represent those of my employer