Observed crash on Linux 2.6.37.2 with aufs-20110207/20110214.
(tmpfs,nfs,nfs) # mount -t aufs -o br:/.branch@2=rw:/.branch@1=rr:/.branch@0=rr: none /root Mar 19 15:36:40 134.76.82.230 [ 202.927257] aufs 2.1-standalone.tree-37-20110207 Mar 19 15:36:40 134.76.82.230 [ 202.927691] aufs test_add:261:mount[297]: uid/gid/perm /.branch@1 4294967294/4294967294/0755, 0/0/01777 Mar 19 15:36:40 134.76.82.230 [ 202.927763] aufs test_add:261:mount[297]: uid/gid/perm /.branch@0 4294967294/4294967294/0755, 0/0/01777 # /root/bin/stat /root/sbin/init Mar 19 15:36:40 134.76.82.230 [ 202.960716] ------------[ cut here ]------------ Mar 19 15:36:40 134.76.82.230 [ 202.960778] kernel BUG at /usr/src/packages/BUILD/aufs-2.1~20110214/obj/desktop/fs/aufs/dynop.c:199! Mar 19 15:36:40 134.76.82.230 [ 202.960844] invalid opcode: 0000 [#1] Mar 19 15:36:40 134.76.82.230 PREEMPT Mar 19 15:36:40 134.76.82.230 SMP Mar 19 15:36:40 134.76.82.230 Mar 19 15:36:40 134.76.82.230 [ 202.961011] last sysfs file: /sys/module/nfs/initstate Mar 19 15:36:40 134.76.82.230 [ 202.961065] CPU 1 Mar 19 15:36:40 134.76.82.230 Mar 19 15:36:40 134.76.82.230 [ 202.961105] Modules linked in: Mar 19 15:36:40 134.76.82.230 aufs Mar 19 15:36:40 134.76.82.230 nfs Mar 19 15:36:40 134.76.82.230 lockd Mar 19 15:36:40 134.76.82.230 fscache Mar 19 15:36:40 134.76.82.230 nfs_acl Mar 19 15:36:40 134.76.82.230 auth_rpcgss Mar 19 15:36:40 134.76.82.230 sunrpc Mar 19 15:36:40 134.76.82.230 netconsole Mar 19 15:36:40 134.76.82.230 configfs Mar 19 15:36:40 134.76.82.230 usbhid Mar 19 15:36:40 134.76.82.230 hid Mar 19 15:36:40 134.76.82.230 af_packet Mar 19 15:36:40 134.76.82.230 drm_kms_helper Mar 19 15:36:40 134.76.82.230 drm Mar 19 15:36:40 134.76.82.230 i2c_algo_bit Mar 19 15:36:40 134.76.82.230 i2c_core Mar 19 15:36:40 134.76.82.230 video Mar 19 15:36:40 134.76.82.230 thermal_sys Mar 19 15:36:40 134.76.82.230 hwmon Mar 19 15:36:40 134.76.82.230 output Mar 19 15:36:40 134.76.82.230 intel_agp Mar 19 15:36:40 134.76.82.230 intel_gtt Mar 19 15:36:40 134.76.82.230 agpgart Mar 19 15:36:40 134.76.82.230 ohci_hcd Mar 19 15:36:40 134.76.82.230 ehci_hcd Mar 19 15:36:40 134.76.82.230 usbcore Mar 19 15:36:40 134.76.82.230 tg3 Mar 19 15:36:40 134.76.82.230 ssb Mar 19 15:36:40 134.76.82.230 mmc_core Mar 19 15:36:40 134.76.82.230 pcmcia Mar 19 15:36:40 134.76.82.230 pcmcia_core Mar 19 15:36:40 134.76.82.230 nls_base Mar 19 15:36:40 134.76.82.230 button Mar 19 15:36:40 134.76.82.230 via_velocity Mar 19 15:36:40 134.76.82.230 crc_ccitt Mar 19 15:36:40 134.76.82.230 via_rhine Mar 19 15:36:40 134.76.82.230 r8169 Mar 19 15:36:40 134.76.82.230 pcnet32 Mar 19 15:36:40 134.76.82.230 mii Mar 19 15:36:40 134.76.82.230 forcedeth Mar 19 15:36:40 134.76.82.230 e1000e Mar 19 15:36:40 134.76.82.230 e1000 Mar 19 15:36:40 134.76.82.230 atl2 Mar 19 15:36:40 134.76.82.230 [last unloaded: configfs] Mar 19 15:36:40 134.76.82.230 Mar 19 15:36:40 134.76.82.230 [ 202.961650] Mar 19 15:36:40 134.76.82.230 [ 202.961650] Pid: 1, comm: init Not tainted 2.6.37.2-jng135-desktop #1 Mar 19 15:36:40 134.76.82.230 Mar 19 15:36:40 134.76.82.230 Dell Inc OptiPlex 740 Mar 19 15:36:40 134.76.82.230 / Mar 19 15:36:40 134.76.82.230 0RY469 Mar 19 15:36:40 134.76.82.230 Mar 19 15:36:40 134.76.82.230 [ 202.961650] RIP: 0010:[<ffffffffa0493d40>] Mar 19 15:36:40 134.76.82.230 [<ffffffffa0493d40>] dy_aop+0x711/0x713 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.961650] RSP: 0018:ffff880076833aa8 EFLAGS: 00010282 Mar 19 15:36:40 134.76.82.230 [ 202.961650] RAX: ffffffffa0494658 RBX: ffff88007bb86800 RCX: 0000000000000100 Mar 19 15:36:40 134.76.82.230 [ 202.961650] RDX: ffff88007bb86800 RSI: ffffffffa0445800 RDI: ffff8800744fb8c0 Mar 19 15:36:40 134.76.82.230 [ 202.961650] RBP: ffff8800744fb8c0 R08: 0000000000008050 R09: 00000000000081ed Mar 19 15:36:40 134.76.82.230 [ 202.961650] R10: 0000000000000001 R11: 00000000000006d8 R12: ffffffffa0445800 Mar 19 15:36:40 134.76.82.230 [ 202.961650] R13: ffffffffa04a3b60 R14: ffff880076833b28 R15: ffffffffa0445800 Mar 19 15:36:40 134.76.82.230 [ 202.961650] FS: 00007f9d76ca5700(0000) GS:ffff88007b500000(0000) knlGS:0000000000000000 Mar 19 15:36:40 134.76.82.230 [ 202.961650] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 19 15:36:40 134.76.82.230 [ 202.961650] CR2: 00007fff27fbbfe8 CR3: 000000007b862000 CR4: 00000000000006e0 Mar 19 15:36:40 134.76.82.230 [ 202.961650] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 19 15:36:40 134.76.82.230 [ 202.961650] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Mar 19 15:36:40 134.76.82.230 [ 202.961650] Process init (pid: 1, threadinfo ffff880076832000, task ffff880076830040) Mar 19 15:36:40 134.76.82.230 [ 202.961650] Stack: Mar 19 15:36:40 134.76.82.230 [ 202.961650] ffff880074815980 Mar 19 15:36:40 134.76.82.230 0000000000000000 ffff8800744fb8c0 ffff880074815980 Mar 19 15:36:40 134.76.82.230 [ 202.964110] 0000000000000000 ffffffffa0493f45 0000000000000003 ffffffffa04b47b8 Mar 19 15:36:40 134.76.82.230 Mar 19 15:36:40 134.76.82.230 [ 202.964110] ffff88007ae5f340 ffff88007ae5f390 0000000000001049 ffff88007ae639d0 Mar 19 15:36:40 134.76.82.230 [ 202.964110] Call Trace: Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffffa0493f45>] dy_get+0xb7/0x17a [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffffa0494111>] au_dy_iaop+0x97/0x107 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffffa0499cf3>] au_new_inode+0x288/0x660 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffffa049af30>] aufs_lookup+0x124/0x1b5 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff81109bb2>] d_alloc_and_lookup+0x41/0x67 Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff81109cca>] do_lookup+0xaa/0x100 Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff8110a631>] link_path_walk+0x312/0x478 Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff8110aaa7>] path_walk+0x49/0x9d Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff8110b7ca>] do_path_lookup+0x21/0x69 Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff8110bd4e>] user_path_at+0x44/0x76 Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff81104e80>] vfs_fstatat+0x2b/0x58 Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff81104fb2>] sys_newstat+0x11/0x29 Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<ffffffff81002a4b>] system_call_fastpath+0x16/0x1b Mar 19 15:36:40 134.76.82.230 [ 202.964110] [<00007f9d761442f5>] 0x7f9d761442f5 Mar 19 15:36:40 134.76.82.230 [ 202.964110] Code: 80 b5 00 00 44 8b 81 e0 02 00 00 48 c7 04 24 f2 79 4a a0 48 81 c1 88 04 00 00 4c 8b 08 48 c7 c7 89 78 4a a0 31 c0 e8 75 bf ec e0 <0f> 0b 0f 0b 53 48 89 fb 48 81 ec 00 01 00 00 48 8b 77 18 4c 8d Mar 19 15:36:40 134.76.82.230 [ 202.964110] RIP [<ffffffffa0493d40>] dy_aop+0x711/0x713 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.964110] RSP <ffff880076833aa8> Mar 19 15:36:40 134.76.82.230 [ 202.964570] ---[ end trace 4b65b5039122ccdb ]--- Mar 19 15:36:40 134.76.82.230 [ 202.969851] Kernel panic - not syncing: Attempted to kill init! Mar 19 15:36:40 134.76.82.230 [ 202.969913] Pid: 1, comm: init Tainted: G D 2.6.37.2-jng135-desktop #1 Mar 19 15:36:40 134.76.82.230 [ 202.969976] Call Trace: Mar 19 15:36:40 134.76.82.230 [ 202.970050] [<ffffffff81004f5d>] dump_trace+0x7d/0x2c9 Mar 19 15:36:40 134.76.82.230 [ 202.970108] [<ffffffff8135fafb>] dump_stack+0x69/0x6f Mar 19 15:36:40 134.76.82.230 [ 202.970164] [<ffffffff8135fba2>] panic+0xa1/0x1b4 Mar 19 15:36:40 134.76.82.230 [ 202.970222] [<ffffffff8104516c>] forget_original_parent+0xa2/0x1f9 Mar 19 15:36:40 134.76.82.230 [ 202.970280] [<ffffffff810452d3>] exit_notify+0x10/0x122 Mar 19 15:36:40 134.76.82.230 [ 202.970336] [<ffffffff81045c3d>] do_exit+0x2e3/0x377 Mar 19 15:36:40 134.76.82.230 [ 202.970392] [<ffffffff81362c9f>] oops_end+0xa9/0xae Mar 19 15:36:40 134.76.82.230 [ 202.970448] [<ffffffff81003c70>] do_invalid_op+0x83/0x8d Mar 19 15:36:40 134.76.82.230 [ 202.970503] [<ffffffff81003695>] invalid_op+0x15/0x20 Mar 19 15:36:40 134.76.82.230 [ 202.970571] [<ffffffffa0493d40>] dy_aop+0x711/0x713 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.970680] [<ffffffffa0493f45>] dy_get+0xb7/0x17a [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.970793] [<ffffffffa0494111>] au_dy_iaop+0x97/0x107 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.970904] [<ffffffffa0499cf3>] au_new_inode+0x288/0x660 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.971048] [<ffffffffa049af30>] aufs_lookup+0x124/0x1b5 [aufs] Mar 19 15:36:40 134.76.82.230 [ 202.971169] [<ffffffff81109bb2>] d_alloc_and_lookup+0x41/0x67 Mar 19 15:36:40 134.76.82.230 [ 202.971227] [<ffffffff81109cca>] do_lookup+0xaa/0x100 Mar 19 15:36:40 134.76.82.230 [ 202.971283] [<ffffffff8110a631>] link_path_walk+0x312/0x478 Mar 19 15:36:40 134.76.82.230 [ 202.971339] [<ffffffff8110aaa7>] path_walk+0x49/0x9d Mar 19 15:36:40 134.76.82.230 [ 202.971394] [<ffffffff8110b7ca>] do_path_lookup+0x21/0x69 Mar 19 15:36:40 134.76.82.230 [ 202.971452] [<ffffffff8110bd4e>] user_path_at+0x44/0x76 Mar 19 15:36:40 134.76.82.230 [ 202.971508] [<ffffffff81104e80>] vfs_fstatat+0x2b/0x58 Mar 19 15:36:40 134.76.82.230 [ 202.971563] [<ffffffff81104fb2>] sys_newstat+0x11/0x29 Mar 19 15:36:40 134.76.82.230 [ 202.971619] [<ffffffff81002a4b>] system_call_fastpath+0x16/0x1b Mar 19 15:36:40 134.76.82.230 [ 202.971677] [<00007f9d761442f5>] 0x7f9d761442f5 ------------------------------------------------------------------------------ Colocation vs. Managed Hosting A question and answer guide to determining the best fit for your organization - today and in the future. http://p.sf.net/sfu/internap-sfd2d