On Wed, Jul 15, 2015 at 12:15 AM, Ming Lin <mlin@xxxxxxxxxx> wrote: > On Tue, 2015-07-14 at 23:58 -0700, Kent Overstreet wrote: >> Can you strace it? > > Strange. Now error message changed. I mean sometimes it showed: mount: /dev/sdt already mounted or /mnt/ busy > > root@afa03:~# mount /dev/sdt /mnt/ > mount: mount(2) failed: No such file or directory -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html