I have a aufs mount at /storage, and a few mount --binds pointing to subdirectories of /storage. I did a umount -lf /storage, which happened without errors, but then did umount -lf /some/mount/--bind/pointing/to/storage, and the following kernel BUG appeared. :-)
Kindest regards, Jørgen. [82345.550450] ------------[ cut here ]------------ [82345.553451] kernel BUG at /root/aufs.wcvs/aufs/fs/aufs/super.c:268! [82345.556498] invalid opcode: 0000 [#1] [82345.559495] SMP [82345.562321] Modules linked in: bnep rfcomm l2cap aufs skge sata_promise sata_via [82345.568408] CPU: 0 [82345.568409] EIP: 0060:[<f9112f6a>] Not tainted VLI [82345.568410] EFLAGS: 00010246 (2.6.20.3 #9) [82345.577352] EIP is at aufs_umount_begin+0x12a/0x1f0 [aufs] [82345.580312] eax: 00000000 ebx: f746b9dc ecx: c18e9768 edx: f79d8454 [82345.583375] esi: f79d8c84 edi: f74c4550 ebp: cdd1df38 esp: cdd1df08 [82345.586436] ds: 007b es: 007b ss: 0068 [82345.589444] Process umount (pid: 28676, ti=cdd1c000 task=c3955a90 task.ti=cdd1c000) [82345.592558] Stack: 00000000 00000001 cdd1df2c c016fc86 cdd1df4c ffffff9c c18de330 f79d8454 [82345.598514] f746b9dc 00000000 00000002 cdd1df4c cdd1dfb0 c017c51e f74c4550 f74c4550 [82345.604625] f79d8c84 f7bbb34c f74c4550 c0169071 cdd1dfb0 c0169094 00000001 00000001 [82345.610671] Call Trace: [82345.616462] [<c010408a>] show_trace_log_lvl+0x1a/0x30 [82345.619505] [<c0104151>] show_stack_log_lvl+0xb1/0xe0 [82345.622548] [<c0104341>] show_registers+0x1c1/0x2b0 [82345.625583] [<c010454c>] die+0x11c/0x270 [82345.628446] [<c0104722>] do_trap+0x82/0xb0 [82345.631467] [<c0105047>] do_invalid_op+0x97/0xb0 [82345.634498] [<c04e1b94>] error_code+0x7c/0x84 [82345.637526] [<c017c51e>] sys_umount+0xfe/0x250 [82345.640556] [<c0103084>] sysenter_past_esp+0x5d/0x81 [82345.643575] ======================= [82345.646447] Code: 58 38 0f 84 be 00 00 00 8d 51 c8 8b 4a 38 0f 18 01 90 8d 42 38 39 45 e8 75 db 8b 55 ec 8b 82 80 00 00 00 85 c0 0f 85 6a ff ff ff <0f> 0b eb fe 89 f6 65 a1 08 00 00 00 c7 44 24 14 5c c0 13 f9 8b [82345.656364] EIP: [<f9112f6a>] aufs_umount_begin+0x12a/0x1f0 [aufs] SS:ESP 0068:cdd1df08 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
