I tried a simple umount -o remount,udba=inotify /storage, and the
following popped up in my dmesg (see attached file).
Not certain if mounting (i.e. not -o remount) with udba=inotify works,
can't test it right now.
SYSINFO
~~~~~~~
kernel : 2.6.20.3 (Vanilla, inotify-support)
aufs : latest cvs as of 18. march 2007
aufs compiled: make -f local.mk, w/ CONFIG_AUFS_HINOTIFY = y
Kindest regards, Jørgen.
[ 121.467484] ------------[ cut here ]------------
[ 121.470667] kernel BUG at /root/aufs.wcvs/aufs/fs/aufs/super.c:357!
[ 121.473883] invalid opcode: 0000 [#1]
[ 121.476984] SMP
[ 121.479900] Modules linked in: aufs
[ 121.483050] CPU: 0
[ 121.483054] EIP: 0060:[<d0c2172a>] Not tainted VLI
[ 121.483061] EFLAGS: 00010246 (2.6.20.3 #5)
[ 121.492459] EIP is at aufs_remount_fs+0x2aa/0x360 [aufs]
[ 121.495548] eax: cf3dc2ac ebx: cf9daf14 ecx: 00000002 edx: 00000005
[ 121.498767] esi: cf9daf4c edi: cfa37754 ebp: cf9daf4c esp: c8851da4
[ 121.502002] ds: 007b es: 007b ss: 0068
[ 121.505130] Process mount (pid: 3227, ti=c8850000 task=c885a580 task.ti=c8850000)
[ 121.508398] Stack: 00000001 cf757e84 ffff2348 cf757e84 ffff2348 cf757e00 ce555ec0 00000000
[ 121.514737] cfcf0860 00000003 00000005 cf60b994 00000005 00000000 00000001 00000005
[ 121.521177] 00000020 00000001 00000000 00000000 c8819000 0000002a d0c3d6a0 cf757e00
[ 121.527617] Call Trace:
[ 121.533467] [<c0166b5d>] do_remount_sb+0xbd/0x120
[ 121.536670] [<c017b416>] do_mount+0x246/0x6f0
[ 121.539849] [<c014be4c>] get_page_from_freelist+0x27c/0x340
[ 121.543087] [<c015409d>] __handle_mm_fault+0x52d/0x910
[ 121.546160] [<c014bf67>] __alloc_pages+0x57/0x310
[ 121.549346] [<c04ba02c>] error_code+0x7c/0x84
[ 121.552513] [<c017a4d0>] copy_mount_options+0x40/0x150
[ 121.555719] [<c017b937>] sys_mount+0x77/0xc0
[ 121.558885] [<c0103050>] sysenter_past_esp+0x5d/0x81
[ 121.562032] [<c04b0033>] svcauth_gss_accept+0x453/0xb50
[ 121.565174] =======================
[ 121.568266] Code: 8b 47 0c 85 c0 74 b8 0f b7 40 6a 25 00 f0 00 00 3d 00 40 00 00 75 a8 3b 7f 18 74 0f 89 f8 e8 ce 7e 00 00 8b 54 24 28 3b 10 75 7d <0f> 0b eb fe 89 f6 89 d8 e8 b9 7e 00 00 8b 54 24 28 3b 10 74 a7
[ 121.579314] EIP: [<d0c2172a>] aufs_remount_fs+0x2aa/0x360 [aufs] SS:ESP 0068:c8851da4
[ 121.585614] BUG: at kernel/exit.c:860 do_exit()
[ 121.588856] [<c0123877>] do_exit+0x757/0x7e0
[ 121.592060] [<c012007b>] oops_may_print+0xb/0x10
[ 121.595228] [<c0104600>] do_trap+0x0/0xf0
[ 121.598304] [<c0104f40>] do_invalid_op+0x0/0xb0
[ 121.601504] [<c0104fe2>] do_invalid_op+0xa2/0xb0
[ 121.604707] [<d0c2172a>] aufs_remount_fs+0x2aa/0x360 [aufs]
[ 121.607984] [<d0c33602>] alloc_hinotify+0x52/0x90 [aufs]
[ 121.611245] [<d0c32913>] set_h_iptr+0xf3/0x1e0 [aufs]
[ 121.614345] [<c0177ab5>] iput+0x35/0x70
[ 121.617513] [<d0c333cd>] reset_hinotify+0x7d/0xa0 [aufs]
[ 121.620783] [<c04ba02c>] error_code+0x7c/0x84
[ 121.623979] [<c017007b>] __kill_fasync+0x3b/0x50
[ 121.627176] [<d0c2172a>] aufs_remount_fs+0x2aa/0x360 [aufs]
[ 121.630294] [<c0166b5d>] do_remount_sb+0xbd/0x120
[ 121.633505] [<c017b416>] do_mount+0x246/0x6f0
[ 121.636700] [<c014be4c>] get_page_from_freelist+0x27c/0x340
[ 121.639950] [<c015409d>] __handle_mm_fault+0x52d/0x910
[ 121.643166] [<c014bf67>] __alloc_pages+0x57/0x310
[ 121.646255] [<c04ba02c>] error_code+0x7c/0x84
[ 121.649443] [<c017a4d0>] copy_mount_options+0x40/0x150
[ 121.652673] [<c017b937>] sys_mount+0x77/0xc0
[ 121.655860] [<c0103050>] sysenter_past_esp+0x5d/0x81
[ 121.659062] [<c04b0033>] svcauth_gss_accept+0x453/0xb50
[ 121.662262] =======================
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