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    SubjectRe: [patch 1/2] spinlock: lockbreak cleanup
    Date

    Nick,

    These two patches make my P4 (single socket HT) test box not boot. I dropped them for now.

    Some oopses

    -Andi


    NMI Watchdog detected LOCKUP on CPU 1
    CPU 1
    Modules linked in:
    Pid: 1648, comm: sh Not tainted 2.6.23-rc2-git3 #472
    RIP: 0010:[<ffffffff80547882>] [<ffffffff80547882>] _spin_lock+0x10/0x18
    RSP: 0018:ffff810001127f20 EFLAGS: 00000097
    RAX: 000000000000df84 RBX: ffff8100398de040 RCX: ffff810001105850
    RDX: ffff810080852000 RSI: 0000000000000000 RDI: ffff810001017180
    RBP: ffff810001127f58 R08: 0000000010010000 R09: ffffffff807c5180
    R10: 0000000000000001 R11: ffffffff8030ed1e R12: ffff810001017180
    R13: ffff8100398de040 R14: 0000000000000001 R15: ffff81003a6c3b48
    FS: 00002b0f1abcef60(0000) GS:ffff81003e0ffcc0(0000) knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    CR2: 000000000045b090 CR3: 000000003db5c000 CR4: 00000000000006e0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process sh (pid: 1648, threadinfo ffff810039480000, task ffff8100398de040)
    Stack: ffffffff8022fd10 00000001000004ab ffff8100398de040 ffff8100398de040
    0000000000000000 ffff81003d086ac0 ffff810001017180 0000000000000001
    ffffffff8023b91a ffffffff807c25c8 ffff810039481cd0 0000000000000000
    ffffffff8021ae58 ffffffff807c25c8 ffffffff8021b461 ffff81003a51b408
    0000000000000000 0000000000000001 ffffffff8020bfd6 ffff810039481cd0 <EOI>
    ffff810039481de8 ffffffff8030ed1e 0000000000008001 0000000000000206
    ffff810039480000 ffff810001017180 ffff810039480000 ffff81003da4c850
    ffff8100398de040 0000000000000000 ffffffffffffff10 ffffffff80545e8a
    0000000000000010 0000000000000246 ffff810039481d58 0000000000000018
    0000000000000086 ffffffff80311570 ffff8100398d91c0 ffff81003ad83e50
    ffff8100398de040 ffff81003e0e0790 ffff8100398de248 0000000039481dc8
    ffff81003da4c850 000000000000142e ffff8100398de040 ffff81000100e208
    ffff81003e0e0790 0000000000000000 ffff810039481e88 ffff810039481e90
    ffff81000100e180 ffff810039481e68 000000000059a4f0 ffff810039481df8
    ffffffff8022f56c ffff810039481e08 ffffffff80545f79 ffff810039481e58
    ffffffff80545fb3 0000000000000002 0000000000000292 ffff81003db92000
    ffff81003e0e0790 0000000000000001 ffff81000100e180 ffff81003e0e0790
    0000000000000001 ffff810039481ed8 ffffffff8022fa8f ffff810039481e68
    ffff810039481e68 ffff8100398de040 0000000000000001 0000000000000001
    ffff810000000101 ffff810039481e98 ffff810039481e98 ffff81003db10be0
    0000000000000202 ffff8100398d91c0 00000000398d91c0 ffff81003db92000
    000000000059a920 ffff81003affd380 ffffffff8028399b ffff810039481f58
    ffff81003db92000 000000000059a920 000000000059a4f0 ffff81003db92000
    000000000059a920 000000000059a8b0 ffffffff8020a1ec 00002b0f1a9a7628
    0000000000594e20 000000000059a4f0 0000000000599c01 0000000000594e20
    ffffffff8020b767 000000000059a8b0 000000000059a920 0000000000594e20
    0000000000599c01 000000000059a4f0 0000000000594e20 0000000000000202
    ffffffffffffffff 0000000000000000 00002b0f1aaaab28 000000000000003b
    ffffffffffffffff 000000000059a920 000000000059a4f0 0000000000594e20
    000000000000003b 00002b0f1aa33d97 0000000000000033 0000000000000202
    00007fff906c42c8 000000000000002b
    Call Trace:
    <IRQ> [<ffffffff8022fd10>] scheduler_tick+0x3e/0x149
    [<ffffffff8023b91a>] update_process_times+0x5c/0x68
    [<ffffffff8021ae58>] smp_local_timer_interrupt+0x34/0x55
    [<ffffffff8021b461>] smp_apic_timer_interrupt+0x44/0x5b
    [<ffffffff8020bfd6>] apic_timer_interrupt+0x66/0x70
    <EOI> [<ffffffff8030ed1e>] nfs_permission+0x0/0x1d1
    [<ffffffff80545e8a>] thread_return+0x58/0xd0
    [<ffffffff80311570>] nfs_file_open+0x0/0x7c
    [<ffffffff8022f56c>] __cond_resched+0x1c/0x44
    [<ffffffff80545f79>] cond_resched+0x2e/0x39
    [<ffffffff80545fb3>] wait_for_completion+0x17/0xbe
    [<ffffffff8022fa8f>] sched_exec+0xb3/0xce
    [<ffffffff8028399b>] do_execve+0x5d/0x1a6
    [<ffffffff8020a1ec>] sys_execve+0x36/0x8b
    [<ffffffff8020b767>] stub_execve+0x67/0xb0


    Code: 8a 07 0f ae e8 eb f3 c3 f0 81 2f 00 00 00 01 74 05 e8 a8 62
    Kernel panic - not syncing: Aiee, killing interrupt handler!


    (another boot)


    NMI Watchdog detected LOCKUP on CPU 0
    CPU 0
    Modules linked in:
    Pid: 1193, comm: udevstart Not tainted 2.6.23-rc2-git3 #474
    RIP: 0010:[<ffffffff805476d7>] [<ffffffff805476d7>] _spin_lock+0x15/0x18
    RSP: 0018:ffff81003a6cf8d0 EFLAGS: 00000002
    RAX: 0000000000006a6b RBX: ffffffff807c6180 RCX: 0000000000000000
    RDX: 0000000000000000 RSI: ffff81003a6cf930 RDI: ffff81000100e180
    RBP: ffff81003a6cf8f8 R08: ffff81003a7f9680 R09: ffff81003a628b48
    R10: 000000000053b31b R11: ffffffff8030eb02 R12: ffff81000100e180
    R13: ffff81003a6cf930 R14: ffff810001118100 R15: 0000000000000000
    FS: 00002b85cee96b00(0000) GS:ffffffff8072d000(0000) knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    CR2: 00002b6f5d8d6310 CR3: 000000003a524000 CR4: 00000000000006e0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process udevstart (pid: 1193, threadinfo ffff81003a6ce000, task ffff810001263890)
    Stack: ffffffff8022c09b 0000000000000003 0000000000000001 ffff810001118100
    ffffffff806d6188 ffff81003a6cf968 ffffffff8022d166 000000003a6cf928
    0000000000000003 ffff810001017180 ffff810001017180 ffff81003a6cf948
    0000000000000092 ffff81003a6cf978 ffff81003a043d20 0000000000000001
    0000000000000001 ffffffff806d6188 0000000000000000 ffff81003a6cf9a8
    ffffffff8022b04d 0000000300000000 ffffffff806d6180 0000000000000296
    ffff810001263890 ffff81003da5ecb0 ffff81003a6cfcb8 ffffffff806d6188
    ffffffff8054763c 0000000000000001 ffff810001263890 ffffffff8022d484
    0000000000100100 0000000000200200 ffffffff8022b6ed 0000000000000f30
    ffff810001263890 0000000000000000 ffff81003d4b2818 ffff81003a6cfe48
    ffffffff805472e5 ffffffff8030eb02 000000000053b31b ffff81003a628b48
    ffff81000100e208 0000000000000001 0000000000000000 0000000001be28ab
    ffff8100012638d8 ffffffff806d6180 ffffffff805478d7 ffff810001118100
    ffff8100011c8970 ffff8100011c8970 ffffffff803106ab ffffffff8022b542
    ffff810001118100 ffff81000100e180 ffff81003a6cfac0 ffffffff8022bc96
    0000000000000000 0000000000000001 0000000000000082 ffffffff8022d472
    0000000000000010 0000000000000003 ffff81000100e180 0000000000000001
    0000000300000000 0000000000000082 0000000000000292 ffff81003a043d20
    0000000000000001 0000000000000001 ffffffff806d6188 0000000000000000
    ffff81003a6cfb70 ffffffff8022b04d 0000000300000000 ffffffff806d6188
    0000000000000000 0000000000000001 0000000000000282 0000000000000003
    ffff81003a6cfbb0 ffffffff8022bf0c ffff810001263890 0000000000000000
    ffff81003d4b2818 ffff81003e0af880 0000000000000001 000000000053b31b
    0000000000000282 ffffffff80547393 ffffffff8030eb02 000000000053b31b
    ffff81003a628b48 ffffffff80545c82 00000000ffffffff ffff81003a6cfe48
    ffffffff8028e1b9 ffff81003db1c001 ffff8100011c8970 ffff81003a6cfe48
    ffff81003d4b2818 ffff81003e0af880 ffff81003a6cfe48 ffff81003a6cfcb8
    ffffffff802859da ffff81003a6cfcc8 ffff81003a6cfcc8 ffff81003e0af880
    ffff8100011041ed ffff81003a6cfe48 ffff81003d4b2818 ffff81003e0af880
    ffff81003db1c000 0000000000000000 ffffffff80286fe4 000000000000004d
    ffff81003db1c005 000000010000004d 000000000000004c ffff81003da5ecb0
    ffffffffffffffa6 00000003002968b1 ffff81003db1c001 ffff8100011360c0
    ffff81003a7a8cb0 0000000000000018 ffff810001106740 ffff81003a6cfe48
    ffff81003da5ecb0 ffff81003e0af880 ffff81003db1c000 000000000053b31b
    ffffffff802879c0 ffff81003da5ecb0 ffff81003e0af880 0000000000000001
    0000000000008124 0000000100000001 ffff810000000000 ffffffff8022b6ed
    000000000000bec8 ffff8100012638d8 ffff810001017208 ffff81003d042780
    ffff810001263890 0000000000000001 ffff81003d042e00 ffff810001017180
    000000000053b31b ffffffff80545c82 ffff81003aaab000 ffff810001106740
    ffff810001106744 ffff81003a6cfe48 0000000000000001 ffff81003db1c000
    ffffffff80287d70 ffff81003db1c000 ffffffff8028692c ffff81003db1c000
    000000003db1c000 ffff81003a6cfe48 0000000000000001 00000000ffffff9c
    ffffffff802885a0 00007fffdbf545c0 ffff81003a6cfef8 000000000053b31b
    00007fffdbf54770 000000000053af10 ffffffff802819f6 ffff81003da5ecb0
    ffff81003e0af880 0000000000000001 0000000000008124 0000000100000005
    ffff810000000000 ffffffff8022b6ed 000000000000bec8 ffff8100012638d8
    ffff810001017208 ffff81003d042780 ffff810001263890 0000000000000001
    ffff81003d042e00 ffff810001017180 000000000053b31b ffffffff80545c82
    ffff81003a6cff70 00007fffdbf545c0 000000000053bf50 000000000053b31b
    ffffffff80281bc1 ffff810001263890 ffff81003d919080 ffff810001263a98
    0000000100000000 ffff81003d919080 0000000049211f86 0000000007ed0e12
    0000000049211f86 0000000007ed0e12 0000000049211f86 0000000000564610
    00007fffdbf54b50 00007fffdbf54770 00007fffdbf54774 000000000053b31b
    00007fffdbf54650 000000000053bf50 ffffffff8020b39e 0000000000000246
    0000000000000000 0000000000000004 ffffff0000000000 0000000000000004
    0000000000000004 00007fffdbf545c0 00007fffdbf545c0 00007fffdbf54650
    0000000000000004 00002b85ced1a325 0000000000000033 0000000000000202
    00007fffdbf54718 000000000000002b
    Call Trace:
    [<ffffffff8022c09b>] task_rq_lock+0x3d/0x6f
    [<ffffffff8022d166>] try_to_wake_up+0x24/0x342
    [<ffffffff8022b04d>] __wake_up_common+0x3e/0x68
    [<ffffffff8054763c>] __down+0xb3/0x100
    [<ffffffff8022d484>] default_wake_function+0x0/0xe
    [<ffffffff8022b6ed>] update_curr+0xe2/0x101
    [<ffffffff805472e5>] __down_failed+0x35/0x3a
    [<ffffffff8030eb02>] nfs_permission+0x0/0x1d1
    [<ffffffff805478d7>] lock_kernel+0x30/0x37
    [<ffffffff803106ab>] nfs_lookup_revalidate+0x3f/0x39c
    [<ffffffff8022b542>] update_curr_load+0x6c/0x82
    [<ffffffff8022bc96>] __check_preempt_curr_fair+0x1d/0x38
    [<ffffffff8022d472>] try_to_wake_up+0x330/0x342
    [<ffffffff8022b04d>] __wake_up_common+0x3e/0x68
    [<ffffffff8022bf0c>] __wake_up+0x38/0x4e
    [<ffffffff80547393>] __up_wakeup+0x35/0x67
    [<ffffffff8030eb02>] nfs_permission+0x0/0x1d1
    [<ffffffff80545c82>] thread_return+0x0/0xd0
    [<ffffffff8028e1b9>] __d_lookup+0xb0/0xf8
    [<ffffffff802859da>] do_lookup+0x157/0x1ae
    [<ffffffff80286fe4>] __link_path_walk+0x343/0xcc7
    [<ffffffff802879c0>] link_path_walk+0x58/0xe0
    [<ffffffff8022b6ed>] update_curr+0xe2/0x101
    [<ffffffff80545c82>] thread_return+0x0/0xd0
    [<ffffffff80287d70>] do_path_lookup+0x1a0/0x1c3
    [<ffffffff8028692c>] getname+0x14c/0x190
    [<ffffffff802885a0>] __user_walk_fd+0x37/0x53
    [<ffffffff802819f6>] vfs_stat_fd+0x1b/0x4a
    [<ffffffff8022b6ed>] update_curr+0xe2/0x101
    [<ffffffff80545c82>] thread_return+0x0/0xd0
    [<ffffffff80281bc1>] sys_newstat+0x19/0x31
    [<ffffffff8020b39e>] system_call+0x7e/0x83


    Code: eb f3 c3 f0 81 2f 00 00 00 01 74 05 e8 38 62 e0 ff c3 53 48
    NMI Watchdog detected LOCKUP on CPU 1
    CPU 1
    Modules linked in:
    Pid: 1223, comm: modify_resolvco Not tainted 2.6.23-rc2-git3 #474
    RIP: 0010:[<ffffffff80547774>] [<ffffffff80547774>] _spin_lock_irqsave+0x13/0x1b
    RSP: 0018:ffff81003a173580 EFLAGS: 00000097
    RAX: 0000000000000296 RBX: ffffffff806d6180 RCX: ffff81003a172000
    RDX: 0000000000006362 RSI: ffff81003d919080 RDI: ffffffff806d6188
    RBP: ffffffff806d6188 R08: ffff81003a172000 R09: ffff810001012800
    R10: 00000000ffffffff R11: ffffffff8030eb02 R12: 0000000000000296
    R13: ffff81003d919080 R14: ffff810001017180 R15: 000000000053b31b
    FS: 00002b180ec08f60(0000) GS:ffff81003e0ffcc0(0000) knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    CR2: 000000000057a028 CR3: 000000003d7c1000 CR4: 00000000000006e0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process modify_resolvco (pid: 1223, threadinfo ffff81003a172000, task ffff81003d919080)
    Stack: ffffffff80547679 0000000000000001 ffff81003d919080 ffffffff8022d484
    ffff81003a7ff530 ffffffff806d6190 ffff810001017208 0000000000000001
    ffff81003d919080 0000000000000001 0000000000000001 ffff81003d042780
    ffffffff805472e5 ffffffffffffffff ffffffffffffffff 0000000000000000
    ffff81003a172000 0000000000000000 ffff81003a172000 ffff81003a173fd8
    ffff81003d919080 ffffffff806d6180 ffffffff8054792f 000000000053b31b
    ffffffffffffff80 ffff81003a1736e8 ffffffff80545d2c ffff81003d85c008
    ffffffff80536aea ffff81003dbb6030 ffff81003d919080 ffff810001263890
    ffff81003d919280 0000000100000000 ffff810001263890 0000000000004040
    ffff81003d9190c8 0000000000000286 ffffffff8023b4a9 0000000000000068
    ffff81003a173748 ffff81003a173758 ffff810001004728 0000000000000001
    ffffffff805387dd 0000000000000000 ffffffff805387ff 0000000000000246
    ffffffff805466ba ffffffff80535e23 ffff81003d754770 ffff81003d754680
    0000000000000001 0000000000000001 ffffffff805387dd ffff81003da48080
    ffffffff80546754 ffff81003d754770 0000000000000001 0000000000000000
    ffff81003d919080 ffffffff80244b74 ffff81003a173770 ffff81003a173770
    ffffffff80533702 0000000000000000 0000000000000000 ffff81003d754770
    ffff81003a173828 ffff81003a173938 ffffffff80538ca3 ffff81003d754680
    ffff81003d754680 ffffffff8059cb90 ffffffff80533e91 0000000000000000
    ffffffff805466da ffffffff80535e23 ffff81003a173868 ffff81003da48080
    ffff81003d82bac0 ffff81003d80f600 ffffffff80533f11 ffff81003a173868
    ffffffff80315fc8 ffffffff806cf578 ffff81003d82ba38 ffff81003a173868
    0000000000000000 ffff81003d82bb68 ffff81003d82bb68 ffff81003d82ba30
    ffffffff80312177 ffff81003d690000 0000000000000296 ffff81003dbb6000
    ffff81003db4e7c0 ffff81003d69b800 ffffffff80539785 ffff81003d85c750
    ffff81003db4e7c0 ffff81003d69b800 ffffffff8053987c ffffffff8059cb90
    0000000000000282 ffff81003d69b800 ffffffff8053864d 0000000000000000
    0000000000000000 ffff81003a173928 ffffffff8022b6ed 000000000000384b
    ffff810001017208 0000000000000001 ffff81003d9190c8 ffff810001017180
    ffff810001017208 00000000fffeebb6 ffffffff8022b9cf 0000000000000000
    ffff81003d919080 ffff81003d919080 ffff81003d443d68 ffff8100012e0cb0
    ffff81003d82bb68 ffff81003a173d58 ffff8100012e0b10 ffff81003a173bb8
    ffffffff803107d6 0000000000000092 ffffffff8022d472 000000003a173a38
    0000000000000003 ffff810001017180 0000000000000000 00000000002e12a5
    0000000000000092 ffff810001263890 ffffffff806d6190 0000000000000001
    0000000000000001 ffffffff806d6188 0000000000000000 ffff81003a173a38
    ffffffff8022b04d 0000000300000000 ffffffff806d6180 0000000000000292
    ffff81003d919080 0000000000000001 ffff81003a173e08 0000000000000292
    ffffffff80547647 0000000000000001 ffff81003d919080 ffffffff8022d484
    0000000000100100 0000000000200200 80f7518d00000001 01fa80c0950f20f9
    ffff81003d919080 0000000000000000 ffff81003d4b2818 ffff81003e0af880
    ffffffff805472e5 ffffffff8030eb02 0000000000000011 ffff81003a173e08
    ffff81003dab07c0 0000000000000000 ffff81003a173d58 ffff81003a173fd8
    0000000000000001 0000000000000000 ffffffff8028e1b9 ffff81003a173e0d
    ffff8100012e0cb0 ffff81003a173d58 ffff81003d443d68 ffff81003e0af880
    ffff81003a173d58 ffff81003a173bb8 ffffffff802859da 3100000005beffff
    ffff81003a173bc8 ffff81003e0af880 ffff8100011041ed ffff81003a173d58
    ffff81003d443d68 ffff81003e0af880 ffff81003a173e08 0000000000000000
    ffffffff802874dd ffffffff80264196 ffff81003a173e11 000001010000b400
    0000000000000282 9066906666ef894c 00000044fe1ebbe8 000000040182f869
    ffff81003a173e0d ffff81003e0af880 ffff8100012e0b10 ffff81003a173cf8
    ffff810001106880 ffff81003a173d58 ffff81003da5ecb0 ffff81003e0af880
    ffff81003a173e08 ffff81003a173e08 ffffffff802879c0 ffff81003da5ecb0
    ffff81003e0af880 0000000000000000 00007fffffffee79 0000000100000101
    ffffffff00000000 ffff81003d0d7cc0 000000003a173f58 000000000000000a
    ffff81003ee1cf08 ffff81003a0d7000 00007fffffffe000 ffff81003d0d7cc2
    ffff810000000000 ffff81003a173e08 0000000000000011 ffff81003dab07c0
    ffff81003afe5138 ffff810001106880 ffff810001106884 ffff81003a173d58
    0000000000000011 ffff81003a173e08 ffffffff80287d70 00000000000000d0
    0000000000000246 ffff81003a173d58 0000000000000101 00000000ffffffe9
    0000000000000011 0000000000000000 ffffffff8028875f ffffff9c3d0d7cc0
    ffff81003d0d7cc0 ffff81003a173e08 ffff81003a173f58 0000000000000000
    ffff81003a173f58 00000000005a2740 ffffffff80282601 ffff8100012e0b10
    ffff81003e0af880 0000000000000000 00007fffffffee79 0000000100000101
    ffffffff00000000 ffff81003d0d7cc0 000000003a173f58 000000000000000a
    ffff81003ee1cf08 ffff81003a0d7000 00007fffffffe000 ffff81003d0d7cc2
    ffff810000000000 ffff81003a173e08 0000000000000011 ffff81003dab07c0
    ffff81003a173f58 00000000005a2740 ffff81003d0d7cc0 ffff81003a173e08
    ffffffff802ac044 7361622f6e69622f 0000000000000068 0000000000000009
    0000000000000009 00000000005a2750 ffffffff80282011 ffff81003a173e58
    0000000000000000 0000000000000000 00007fffffffefe0 0000000000000000
    00007ffffffffff8 686769723ee1cf08 ffffffff80282210 ffff81003d0d7cc0
    ffffffff806ccc40 0000000000000000 ffff81003d0d7cc2 ffffffff806ccc00
    ffff81003d0d7cc0 00000000fffffff8 ffffffff802823aa 0000000000000029
    ffff81003d0d7cc0 0000000000000000 ffff81003da9e000 00000000005a67d0
    ffffffff8028386c ffff81003a173f58 ffff81003da9e000 00000000005a67d0
    00000000005a2740 ffff81003da9e000 00000000005a67d0 00000000005aacd0
    ffffffff8020a1ec 00007fff9c6898a0 00000000005aa440 00000000005a2740
    0000000000000001 00000000005aa440 ffffffff8020b767 00000000005aacd0
    00000000005a67d0 00000000005aa440 0000000000000001 00000000005a2740
    00000000005aa440 0000000000000206 ffffffffffffffff 0000000000000000
    0000000000000000 000000000000003b ffffffffffffffff 00000000005a67d0
    00000000005a2740 00000000005aa440 000000000000003b 00002b180ea6dd97
    0000000000000033 0000000000000206 00007fff9c689928 000000000000002b
    Call Trace:
    [<ffffffff80547679>] __down+0xf0/0x100
    [<ffffffff8022d484>] default_wake_function+0x0/0xe
    [<ffffffff805472e5>] __down_failed+0x35/0x3a
    [<ffffffff8054792f>] __reacquire_kernel_lock+0x3b/0x44
    [<ffffffff80545d2c>] thread_return+0xaa/0xd0
    [<ffffffff80536aea>] xs_send_kvec+0x7a/0x83
    [<ffffffff8023b4a9>] lock_timer_base+0x26/0x4c
    [<ffffffff805387dd>] rpc_wait_bit_interruptible+0x0/0x29
    [<ffffffff805387ff>] rpc_wait_bit_interruptible+0x22/0x29
    [<ffffffff805466ba>] __wait_on_bit+0x40/0x6e
    [<ffffffff80535e23>] xprt_timer+0x0/0x7b
    [<ffffffff805387dd>] rpc_wait_bit_interruptible+0x0/0x29
    [<ffffffff80546754>] out_of_line_wait_on_bit+0x6c/0x78
    [<ffffffff80244b74>] wake_bit_function+0x0/0x23
    [<ffffffff80533702>] call_transmit+0x200/0x22c
    [<ffffffff80538ca3>] __rpc_execute+0xf2/0x238
    [<ffffffff80533e91>] rpc_do_run_task+0x89/0xa6
    [<ffffffff805466da>] __wait_on_bit+0x60/0x6e
    [<ffffffff80535e23>] xprt_timer+0x0/0x7b
    [<ffffffff80533f11>] rpc_call_sync+0x19/0x32
    [<ffffffff80315fc8>] nfs_proc_getattr+0x61/0x85
    [<ffffffff80312177>] __nfs_revalidate_inode+0x14a/0x28f
    [<ffffffff80539785>] put_rpccred+0x34/0xe9
    [<ffffffff8053987c>] rpcauth_unbindcred+0x42/0x4e
    [<ffffffff8053864d>] rpc_put_task+0x6d/0x81
    [<ffffffff8022b6ed>] update_curr+0xe2/0x101
    [<ffffffff8022b9cf>] dequeue_entity+0x73/0x97
    [<ffffffff803107d6>] nfs_lookup_revalidate+0x16a/0x39c
    [<ffffffff8022d472>] try_to_wake_up+0x330/0x342
    [<ffffffff8022b04d>] __wake_up_common+0x3e/0x68
    [<ffffffff80547647>] __down+0xbe/0x100
    [<ffffffff8022d484>] default_wake_function+0x0/0xe
    [<ffffffff805472e5>] __down_failed+0x35/0x3a
    [<ffffffff8030eb02>] nfs_permission+0x0/0x1d1
    [<ffffffff8028e1b9>] __d_lookup+0xb0/0xf8
    [<ffffffff802859da>] do_lookup+0x157/0x1ae
    [<ffffffff802874dd>] __link_path_walk+0x83c/0xcc7
    [<ffffffff80264196>] zone_statistics+0x3f/0x60
    [<ffffffff802879c0>] link_path_walk+0x58/0xe0
    [<ffffffff80287d70>] do_path_lookup+0x1a0/0x1c3
    [<ffffffff8028875f>] __path_lookup_intent_open+0x56/0x97
    [<ffffffff80282601>] open_exec+0x24/0xc0
    [<ffffffff802ac044>] load_script+0x1a8/0x1e8
    [<ffffffff80282011>] get_arg_page+0x46/0x9c
    [<ffffffff80282210>] copy_strings+0x1a9/0x1ba
    [<ffffffff802823aa>] search_binary_handler+0x90/0x15f
    [<ffffffff8028386c>] do_execve+0x14e/0x1a6
    [<ffffffff8020a1ec>] sys_execve+0x36/0x8b
    [<ffffffff8020b767>] stub_execve+0x67/0xb0


    Code: 8a 17 0f ae e8 eb f3 c3 fa b8 00 01 00 00 f0 66 0f c1 07 38


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