openrt x86 f2fs 日志求助

she***

lean的源码 最新的r9.1.1 编译 生成openwrt-x86-64-combined-squashfs.img ，刷入软路由的硬盘msata。日志出现大量的，求解，谢谢。
Thu Jan 31 14:58:16 2019 kern.err kernel: [   40.705880] print_req_error: I/O error, dev loop0, sector 35064
Thu Jan 31 14:58:16 2019 kern.err kernel: [   40.712233] print_req_error: I/O error, dev loop0, sector 35152
Thu Jan 31 14:58:16 2019 kern.info kernel: [   40.712264] F2FS-fs (loop0): Issue discard(4383, 4383, 1) failed, ret: -5
Thu Jan 31 14:58:16 2019 kern.err kernel: [   40.718579] print_req_error: I/O error, dev loop0, sector 35280
Thu Jan 31 14:58:16 2019 kern.info kernel: [   40.725881] F2FS-fs (loop0): Issue discard(4394, 4394, 1) failed, ret: -5
Thu Jan 31 14:58:16 2019 kern.err kernel: [   40.739412] print_req_error: I/O error, dev loop0, sector 51248
Thu Jan 31 14:58:16 2019 kern.info kernel: [   40.739443] F2FS-fs (loop0): Issue discard(4410, 4410, 2) failed, ret: -5
Thu Jan 31 14:58:16 2019 kern.err kernel: [   40.745700] print_req_error: I/O error, dev loop0, sector 51536
Thu Jan 31 14:58:16 2019 kern.info kernel: [   40.759283] F2FS-fs (loop0): Issue discard(6406, 6406, 1) failed, ret: -5
Thu Jan 31 14:58:16 2019 kern.info kernel: [   40.766503] F2FS-fs (loop0): Issue discard(6442, 6442, 1) failed, ret: -5