I'm not 100% certain what caused this, but as I mounted my samba-shares (which is an exported aufs) and tried accessing them, I got the following: ls: reading directory /home/daxxar/samba/videos.datamania: Input/output error
So I tried checking on datamania if I could find the problem, and I found the following in my dmesg: [958904.932570] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:506/alloc_sbinfo() [958904.932615] <d0bf3946> aufs_fill_super+0x86/0x630 [aufs] <c01869df> get_filesystem+0xf/0x40 [958904.932751] <c0171c80> get_sb_nodev+0x40/0x80 <c01717e0> vfs_kern_mount+0xb0/0x150 [958904.932801] <d0bf38c0> aufs_fill_super+0x0/0x630 [aufs] <c01718d9> do_kern_mount+0x39/0x60 [958904.932883] <c0188490> do_mount+0x450/0x760 <c01512e2> get_page_from_freelist+0x3a2/0x410 [958904.932953] <c015921a> __handle_mm_fault+0x4ea/0x900 <c01513a6> __alloc_pages+0x56/0x330 [958904.933085] <c01871c0> copy_mount_options+0x40/0x150 <c0188817> sys_mount+0x77/0xc0 [958904.933143] <c0102fbb> sysenter_past_esp+0x54/0x79 [958911.271223] sb c13c9000, sbinfo c1e61ac0 [958911.271250] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:243/aufs_umount_begin() [958911.271290] <d0bf41b2> aufs_umount_begin+0x52/0x9f [aufs] <c0188970> sys_umount+0x110/0x2c0 [958911.271433] <c015bce6> do_munmap+0x186/0x1e0 <c0188b37> sys_oldumount+0x17/0x20 [958911.271504] <c0102fbb> sysenter_past_esp+0x54/0x79 [958911.275059] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:274/aufs_put_super() [958911.275090] <d0bf32df> aufs_put_super+0x2f/0x50 [aufs] <c0171547> generic_shutdown_super+0x87/0x140 [958911.275191] <c017170e> deactivate_super+0x6e/0x90 <c01888aa> sys_umount+0x4a/0x2c0 [958911.275248] <c015bce6> do_munmap+0x186/0x1e0 <c0188b37> sys_oldumount+0x17/0x20 [958911.275308] <c0102fbb> sysenter_past_esp+0x54/0x79 [958911.275355] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:259/free_sbinfo() [958911.275371] <d0bf327b> free_sbinfo+0x3b/0x70 [aufs] <c0171547> generic_shutdown_super+0x87/0x140 [958911.275450] <c017170e> deactivate_super+0x6e/0x90 <c01888aa> sys_umount+0x4a/0x2c0 [958911.275506] <c015bce6> do_munmap+0x186/0x1e0 <c0188b37> sys_oldumount+0x17/0x20 [958911.275563] <c0102fbb> sysenter_past_esp+0x54/0x79 [958916.443795] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:506/alloc_sbinfo() [958916.443848] <d0bf3946> aufs_fill_super+0x86/0x630 [aufs] <c01869df> get_filesystem+0xf/0x40 [958916.443991] <c0171c80> get_sb_nodev+0x40/0x80 <c01717e0> vfs_kern_mount+0xb0/0x150 [958916.444042] <d0bf38c0> aufs_fill_super+0x0/0x630 [aufs] <c01718d9> do_kern_mount+0x39/0x60 [958916.444125] <c0188490> do_mount+0x450/0x760 <c01512e2> get_page_from_freelist+0x3a2/0x410 [958916.444194] <c015921a> __handle_mm_fault+0x4ea/0x900 <c01513a6> __alloc_pages+0x56/0x330 [958916.444324] <c01871c0> copy_mount_options+0x40/0x150 <c0188817> sys_mount+0x77/0xc0 [958916.444382] <c0102fbb> sysenter_past_esp+0x54/0x79 [958983.382473] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:506/alloc_sbinfo() [958983.382525] <d0bf3946> aufs_fill_super+0x86/0x630 [aufs] <c01869df> get_filesystem+0xf/0x40 [958983.382667] <c0171c80> get_sb_nodev+0x40/0x80 <c01717e0> vfs_kern_mount+0xb0/0x150 [958983.382716] <d0bf38c0> aufs_fill_super+0x0/0x630 [aufs] <c01718d9> do_kern_mount+0x39/0x60 [958983.382797] <c0188490> do_mount+0x450/0x760 <c01512e2> get_page_from_freelist+0x3a2/0x410 [958983.382864] <c015921a> __handle_mm_fault+0x4ea/0x900 <c01513a6> __alloc_pages+0x56/0x330 [958983.382988] <c01871c0> copy_mount_options+0x40/0x150 <c0188817> sys_mount+0x77/0xc0 [958983.383045] <c0102fbb> sysenter_past_esp+0x54/0x79 [958985.516819] sb cf5a5c00, sbinfo cf310520 [958985.516847] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:243/aufs_umount_begin() [958985.516886] <d0bf41b2> aufs_umount_begin+0x52/0x9f [aufs] <c0188970> sys_umount+0x110/0x2c0 [958985.517028] <c015bce6> do_munmap+0x186/0x1e0 <c0188b37> sys_oldumount+0x17/0x20 [958985.517098] <c0102fbb> sysenter_past_esp+0x54/0x79 [958985.520623] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:274/aufs_put_super() [958985.520655] <d0bf32df> aufs_put_super+0x2f/0x50 [aufs] <c0171547> generic_shutdown_super+0x87/0x140 [958985.520754] <c017170e> deactivate_super+0x6e/0x90 <c01888aa> sys_umount+0x4a/0x2c0 [958985.520812] <c015bce6> do_munmap+0x186/0x1e0 <c0188b37> sys_oldumount+0x17/0x20 [958985.520872] <c0102fbb> sysenter_past_esp+0x54/0x79 [958985.520919] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:259/free_sbinfo() [958985.520935] <d0bf327b> free_sbinfo+0x3b/0x70 [aufs] <c0171547> generic_shutdown_super+0x87/0x140 [958985.521015] <c017170e> deactivate_super+0x6e/0x90 <c01888aa> sys_umount+0x4a/0x2c0 [958985.521070] <c015bce6> do_munmap+0x186/0x1e0 <c0188b37> sys_oldumount+0x17/0x20 [958985.521127] <c0102fbb> sysenter_past_esp+0x54/0x79 [958985.861527] sb c13c9000, sbinfo cce83e20 [958985.861553] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:243/aufs_umount_begin() [958985.861591] <d0bf41b2> aufs_umount_begin+0x52/0x9f [aufs] <c0188970> sys_umount+0x110/0x2c0 [958985.861733] <c02dc2cb> do_page_fault+0x3db/0x6f0 <c0188b37> sys_oldumount+0x17/0x20 [958985.861803] <c0102fbb> sysenter_past_esp+0x54/0x79 [958985.863663] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:274/aufs_put_super() [958985.863691] <d0bf32df> aufs_put_super+0x2f/0x50 [aufs] <c0171547> generic_shutdown_super+0x87/0x140 [958985.863785] <c017170e> deactivate_super+0x6e/0x90 <c01888aa> sys_umount+0x4a/0x2c0 [958985.863842] <c02dc2cb> do_page_fault+0x3db/0x6f0 <c0188b37> sys_oldumount+0x17/0x20 [958985.863900] <c0102fbb> sysenter_past_esp+0x54/0x79 [958985.863947] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:259/free_sbinfo() [958985.863962] <d0bf327b> free_sbinfo+0x3b/0x70 [aufs] <c0171547> generic_shutdown_super+0x87/0x140 [958985.864042] <c017170e> deactivate_super+0x6e/0x90 <c01888aa> sys_umount+0x4a/0x2c0 [958985.864134] <c02dc2cb> do_page_fault+0x3db/0x6f0 <c0188b37> sys_oldumount+0x17/0x20 [958985.864192] <c0102fbb> sysenter_past_esp+0x54/0x79 [958988.251914] BUG: warning at /root/aufs.wcvs/aufs/fs/aufs/super.c:506/alloc_sbinfo() [958988.251966] <d0bf3946> aufs_fill_super+0x86/0x630 [aufs] <c01869df> get_filesystem+0xf/0x40 [958988.252114] <c0171c80> get_sb_nodev+0x40/0x80 <c01717e0> vfs_kern_mount+0xb0/0x150 [958988.252165] <d0bf38c0> aufs_fill_super+0x0/0x630 [aufs] <c01718d9> do_kern_mount+0x39/0x60 [958988.252246] <c0188490> do_mount+0x450/0x760 <c01512e2> get_page_from_freelist+0x3a2/0x410 [958988.252313] <c015921a> __handle_mm_fault+0x4ea/0x900 <c01513a6> __alloc_pages+0x56/0x330 [958988.252437] <c01871c0> copy_mount_options+0x40/0x150 <c0188817> sys_mount+0x77/0xc0 [958988.252494] <c0102fbb> sysenter_past_esp+0x54/0x79 [1001610.997254] ------------[ cut here ]------------ [1001610.997302] kernel BUG at /root/aufs.wcvs/aufs/fs/aufs/iinfo.c:62! [1001610.997332] invalid opcode: 0000 [#1] [1001610.997354] SMP [1001610.997378] Modules linked in: aufs nfsd exportfs lockd sunrpc bridge unionfs xfs dm_mod md_mod fuse lp sg psmouse intel_agp agpgart parport_pc parport evdev serio_raw floppy pcspkr 3c59x mii r1000 r8169 i2c_piix4 shpchp pci_hotplug i2c_core ext3 jbd uhci_hcd usbcore ide_generic sd_mod sata_sil libata scsi_mod ide_disk piix generic processor fbcon tileblit font bitblit softcursor vesafb capability commoncap [1001610.997659] CPU: 0 [1001610.997664] EIP: 0060:[<d0c06e55>] Not tainted VLI [1001610.997671] EFLAGS: 00010206 (2.6.17-11-generic #2) [1001610.997809] EIP is at h_iptr_i+0x95/0xc0 [aufs] [1001610.997837] eax: 00000000 ebx: 00000000 ecx: 00000003 edx: c2809084 [1001610.997870] esi: ffff0001 edi: c28090a4 ebp: 00000003 esp: c9d67e80 [1001610.997901] ds: 007b es: 007b ss: 0068 [1001610.997928] Process find (pid: 18532, threadinfo=c9d66000 task=cff61a90) [1001610.997947] Stack: 00000000 00000003 c28090a4 ce7c3260 d0c07862 c13c9000 c1d6e8a4 c2cbca18 [1001610.998019] d0bfd8fb 00018800 cef23d74 00000003 ce7c3278 00000003 00000003 cef23d74 [1001610.998087] 00000003 d0c00750 00000000 00018800 cd6b4580 00000000 00c06e27 ce1d90f4 [1001610.998156] Call Trace: [1001610.998200] <d0c07862> test_ro+0x32/0x60 [aufs] <d0bfd8fb> hidden_open+0x7b/0x130 [aufs] [1001610.998352] <d0c00750> do_open_dir+0xb0/0x150 [aufs] <d0bfdf29> do_open+0xa9/0x140 [aufs] [1001610.998495] <d0c006a0> do_open_dir+0x0/0x150 [aufs] <d0c00690> aufs_open_dir+0x0/0x10 [aufs] [1001610.998631] <c0168c56> __dentry_open+0xb6/0x1e0 <c0168e35> nameidata_to_filp+0x35/0x40 [1001610.998736] <c0168e90> do_filp_open+0x50/0x60 <c0168b33> get_unused_fd+0x53/0xc0 [1001610.998841] <c0168eea> do_sys_open+0x4a/0xe0 <c0168fbc> sys_open+0x1c/0x20 [1001610.998922] <c0102fbb> sysenter_past_esp+0x54/0x79 [1001610.998994] Code: be d1 8d 14 52 8b 40 18 8b 14 90 85 d2 74 07 8b 42 24 85 c0 7e 33 8b 1c 24 89 d0 8b 74 24 04 8b 7c 24 08 8b 6c 24 0c 83 c4 10 c3 <0f> 0b 3e 00 78 a0 c0 d0 eb c1 0f 0b 3d 00 78 a0 c0 d0 eb 8b 0f [1001610.999258] EIP: [<d0c06e55>] h_iptr_i+0x95/0xc0 [aufs] SS:ESP 0068:c9d67e80 [1001610.999730] Are you aware of this problem? :-) Nwo I tried unmounting the device (/storage), using -lf, and it's totally hung. Not responding to ssh any longer either. :( *goes to forcefully reboot the system* Kindest regards, Jørgen. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV