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Message-ID: <84144f020910181935q4aed9f0dx7a8a149d8b8743c7@mail.gmail.com> Date: Mon, 19 Oct 2009 05:35:20 +0300 From: Pekka Enberg <penberg@...helsinki.fi> To: Yinghai Lu <yhlu.kernel@...il.com> Cc: Ingo Molnar <mingo@...e.hu>, David Miller <davem@...emloft.net>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: nfs mount fail Hi, On Sun, Oct 18, 2009 at 4:25 AM, Yinghai Lu <yhlu.kernel@...il.com> wrote: > mpk12-3214-189-144:~ # cat x > mount -t nfs 10.6.75.100:/data/shared/pxeboot /x > > mpk12-3214-189-144:~ # sh x > > [ 278.734149] ------------[ cut here ]------------ > [ 278.739620] kernel BUG at mm/slub.c:2969! So this means that someone is passing a pointer to kfree() that did not come from kmalloc(). Which tree are you testing? > [ 278.743056] invalid opcode: 0000 [#1] SMP > [ 278.750365] last sysfs file: /sys/devices/virtual/net/sit0/type > [ 278.755898] CPU 0 > [ 278.758637] Modules linked in: > [ 278.770030] Pid: 2594, comm: rpciod/0 Not tainted > 2.6.32-rc5-tip-01483-ga166936-dirty #651 > [ 278.788458] RIP: 0010:[<ffffffff81174437>] [<ffffffff81174437>] > kfree+0x96/0x14a > [ 278.797545] RSP: 0018:ffff88087b9fdc50 EFLAGS: 00010246 > [ 278.810035] RAX: 0a00000000000000 RBX: 0000000000037803 RCX: ffff880854828018 > [ 278.815372] RDX: ffffea0000000000 RSI: 0000000000000378 RDI: ffff881800706475 > [ 278.832711] RBP: ffff88087b9fdc90 R08: ffff88084d37ce80 R09: 00000000e3115a3e > [ 278.848764] R10: 00000000ffffe0be R11: 0000000000000000 R12: ffffea009c02da70 > [ 278.852385] R13: ffff881800706475 R14: ffff88084439d680 R15: 0000000000000001 > [ 278.872750] FS: 0000000000000000(0000) GS:ffff88003fc00000(0000) > knlGS:0000000000000000 > [ 278.889379] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > [ 278.895226] CR2: 00007fcb2369c000 CR3: 0000000848df0000 CR4: 00000000000026f0 > [ 278.911157] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 278.916692] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 278.934540] Process rpciod/0 (pid: 2594, threadinfo > ffff88087b9fc000, task ffff88087bdc2370) > [ 278.950913] Stack: > [ 278.952455] ffff88087913e934 ffff88087747e048 00000000e3115a3e > 0000000000037803 > [ 278.969335] <0> ffff880854828000 ffff88084d37ce80 ffff88084439d680 > 0000000000000001 > [ 278.976115] <0> ffff88087b9fdcc0 ffffffff81dae6d8 ffffffff81dbb5d5 > 00000000e3115a3e > [ 278.995869] Call Trace: > [ 278.997442] [<ffffffff81dae6d8>] xs_set_port+0x73/0xa3 > [ 279.011219] [<ffffffff81dbb5d5>] ? rpcb_dec_getport+0x0/0xc2 > [ 279.016461] [<ffffffff81dbb4ac>] rpcb_getport_done+0x80/0xdb > [ 279.030585] [<ffffffff81db1cbf>] rpc_exit_task+0x3b/0x7f > [ 279.033790] [<ffffffff81db24a9>] __rpc_execute+0x97/0x251 > [ 279.051120] [<ffffffff81db26e2>] rpc_async_schedule+0x28/0x3e > [ 279.057205] [<ffffffff810bbe9c>] worker_thread+0x1fa/0x317 > [ 279.071181] [<ffffffff810bbe42>] ? worker_thread+0x1a0/0x317 > [ 279.075343] [<ffffffff81db26ba>] ? rpc_async_schedule+0x0/0x3e > [ 279.092033] [<ffffffff810c26c8>] ? autoremove_wake_function+0x0/0x63 > [ 279.100028] [<ffffffff810bbca2>] ? worker_thread+0x0/0x317 > [ 279.112094] [<ffffffff810c2277>] kthread+0x9d/0xa5 > [ 279.116720] [<ffffffff8104205a>] child_rip+0xa/0x20 > [ 279.133457] [<ffffffff810419fc>] ? restore_args+0x0/0x30 > [ 279.137271] [<ffffffff810c21da>] ? kthread+0x0/0xa5 > [ 279.149933] [<ffffffff81042050>] ? child_rip+0x0/0x20 > [ 279.154086] Code: 00 00 00 00 00 ea ff ff 48 6b c0 68 4c 8d 24 10 > 66 41 83 3c 24 00 79 05 4d 8b 64 24 10 49 8b 04 24 84 c0 78 17 66 a9 > 00 c0 75 04 <0f> 0b eb fe 4c 89 e7 e8 87 b8 fc ff e9 80 00 00 00 48 8b > 45 08 > [ 279.198800] RIP [<ffffffff81174437>] kfree+0x96/0x14a > [ 279.204063] RSP <ffff88087b9fdc50> > [ 279.210307] ---[ end trace 52f0b2ff8e4dec91 ]--- > > Message from syslogd@...12-3214-189-144 at Sat Oct 17 18:23:40 2009 ... > mpk12-3214-189-144 kernel: [ 278.734149] ------------[ cut here ]------------ > > Message from syslogd@...12-3214-189-144 at Sat Oct 17 18:23:40 2009 ... > mpk12-3214-189-144 kernel: [ 278.743056] invalid opcode: 0000 [#1] SMP > > Message from syslogd@...12-3214-189-144 at Sat Oct 17 18:23:40 2009 ... > mpk12-3214-189-144 kernel: [ 278.750365] last sysfs file: > /sys/devices/virtual/net/sit0/type > > Message from syslogd@...12-3214-189-144 at Sat Oct 17 18:23:40 2009 ... > mpk12-3214-189-144 kernel: [ 278.950913] Stack: > > Message from syslogd@...12-3214-189-144 at Sat Oct 17 18:23:40 2009 ... > mpk12-3214-189-144 kernel: [ 278.995869] Call Trace: > > Message from syslogd@...12-3214-189-144 at Sat Oct 17 18:23:40 2009 ... > mpk12-3214-189-144 kernel: [ 279.154086] Code: 00 00 00 00 00 ea ff > ff 48 6b c0 68 4c 8d 24 10 66 41 83 3c 24 00 79 05 4d 8b 64 24 10 49 > 8b 04 24 84 c0 78 17 66 a9 00 c0 75 04 <0f> 0b eb fe 4c 89 e7 e8 87 b8 > fc ff e9 80 00 00 00 48 8b 45 08 > > mount.nfs: mount system call failed > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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