Hello, I've got an OLinuXino micro recently and tried to run Linux 3.7.3 + aufs 3.7-20130114. When it's up it works. I've got no problem until now but during early boot, there was this error message: [Â Â Â 2.580000] udevd[48]: starting version 182 [Â Â Â 2.670000] usb 1-1.2: new high-speed USB device number 4 using ci_hdrc [Â Â Â 2.890000] usb 1-1.1.1: new high-speed USB device number 5 using ci_hdrc [Â Â Â 7.730000] BUG: looking up invalid subclass: 9 [Â Â Â 7.730000] turning off the locking correctness validator. [Â Â Â 7.730000] [<c000d390>] (unwind_backtrace+0x0/0xe0) from [<c0051e14>] (__lock_acquire+0xe4/0x1808) [Â Â Â 7.730000] [<c0051e14>] (__lock_acquire+0xe4/0x1808) from [<c0053ab4>] (lock_acquire+0xf8/0x11c) [Â Â Â 7.730000] [<c0053ab4>] (lock_acquire+0xf8/0x11c) from [<c032f92c>] (mutex_lock_nested+0x48/0x2a4) [Â Â Â 7.730000] [<c032f92c>] (mutex_lock_nested+0x48/0x2a4) from [<c013d808>] (au_cpup_single+0x23c/0x3e4) [Â Â Â 7.730000] [<c013d808>] (au_cpup_single+0x23c/0x3e4) from [<c013dc74>] (au_cpup_simple+0x8c/0xbc) [Â Â Â 7.730000] [<c013dc74>] (au_cpup_simple+0x8c/0xbc) from [<c013de20>] (au_sio_cpup_simple+0x70/0xc0) [Â Â Â 7.730000] [<c013de20>] (au_sio_cpup_simple+0x70/0xc0) from [<c013de88>] (au_cpup_dir+0x18/0x1c) [Â Â Â 7.730000] [<c013de88>] (au_cpup_dir+0x18/0x1c) from [<c013e214>] (au_cp_dirs+0x164/0x1c4) [Â Â Â 7.730000] [<c013e214>] (au_cp_dirs+0x164/0x1c4) from [<c0148d04>] (au_wr_dir+0x174/0x264) [Â Â Â 7.730000] [<c0148d04>] (au_wr_dir+0x174/0x264) from [<c0149288>] (aufs_setattr+0x198/0x5d4) [Â Â Â 7.730000] [<c0149288>] (aufs_setattr+0x198/0x5d4) from [<c00d2858>] (notify_change+0x208/0x2e0) [Â Â Â 7.730000] [<c00d2858>] (notify_change+0x208/0x2e0) from [<c00bad50>] (do_truncate+0x78/0x94) [Â Â Â 7.730000] [<c00bad50>] (do_truncate+0x78/0x94) from [<c00c87ac>] (do_last.isra.41+0xaa0/0xad8) [Â Â Â 7.730000] [<c00c87ac>] (do_last.isra.41+0xaa0/0xad8) from [<c00c8888>] (path_openat+0xa4/0x400) [Â Â Â 7.730000] [<c00c8888>] (path_openat+0xa4/0x400) from [<c00c8eac>] (do_filp_open+0x2c/0x78) [Â Â Â 7.730000] [<c00c8eac>] (do_filp_open+0x2c/0x78) from [<c00bbcc4>] (do_sys_open+0xe4/0x170) [Â Â Â 7.730000] [<c00bbcc4>] (do_sys_open+0xe4/0x170) from [<c0009300>] (ret_fast_syscall+0x0/0x38) [Â Â Â 9.440000] udevd[126]: starting version 182 [Â Â 14.490000] usb 1-1.2: applying rev.C fixup [Â Â 14.510000] usb 1-1.2: applying rev.C fixup [Â Â 14.530000] MOSCHIP usb-ethernet driver 1-1.2:1.0 eth0: register 'MOSCHIP usb-ethernet driver' at I don't know if this is aufs-related or not. (So the expected answer is yes or no or unsure.) If it has nothing to do with aufs, I won't bother you more. Otherwise I will post more information and make the modified kernel source available for download. Thank you! Guan
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