| 1 | =============================================
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| 2 | [ INFO: possible recursive locking detected ]
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| 3 | 2.6.29-686 #1
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| 4 | ---------------------------------------------
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| 5 | VirtualBox/7039 is trying to acquire lock:
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| 6 | (&pSpinlockInt->Spinlock){--..}, at: [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
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| 7 |
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| 8 | but task is already holding lock:
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| 9 | (&pSpinlockInt->Spinlock){--..}, at: [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
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| 10 |
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| 11 | other info that might help us debug this:
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| 12 | 1 lock held by VirtualBox/7039:
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| 13 | #0: (&pSpinlockInt->Spinlock){--..}, at: [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
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| 14 |
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| 15 | stack backtrace:
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| 16 | Pid: 7039, comm: VirtualBox Not tainted 2.6.29-686 #1
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| 17 | Call Trace:
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| 18 | [<c014be12>] validate_chain+0x4b2/0xba6
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| 19 | [<c014cb6f>] ? __lock_acquire+0x669/0x701
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| 20 | [<c014cb6f>] __lock_acquire+0x669/0x701
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| 21 | [<c014cc4f>] lock_acquire+0x48/0x64
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| 22 | [<fd0c53b4>] ? RTSpinlockAcquire+0x13/0x15 [vboxdrv]
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| 23 | [<c041f06b>] _spin_lock+0x2d/0x5d
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| 24 | [<fd0c53b4>] ? RTSpinlockAcquire+0x13/0x15 [vboxdrv]
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| 25 | [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
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| 26 | [<fd0be8a3>] SUPR0ObjAddRefEx+0x79/0x190 [vboxdrv]
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| 27 | [<fd0be9e6>] supdrvSessionObjHandleRetain+0x15/0x17 [vboxdrv]
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| 28 | [<fd0c8600>] RTHandleTableLookupWithCtx+0x9e/0xca [vboxdrv]
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| 29 | [<fd0be6b5>] SUPSemEventWaitNoResume+0x38/0x67 [vboxdrv]
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| 30 | [<fd0c1688>] supdrvIOCtl+0x1c09/0x1d9f [vboxdrv]
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| 31 | [<c01801b3>] ? might_fault+0x70/0x8d
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| 32 | [<fd0bd23d>] VBoxDrvLinuxIOCtl+0xf9/0x16d [vboxdrv]
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| 33 | [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91
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| 34 | [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91
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| 35 | [<fd0bd144>] ? VBoxDrvLinuxIOCtl+0x0/0x16d [vboxdrv]
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| 36 | [<c019a67d>] vfs_ioctl+0x27/0x6c
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| 37 | [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91
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| 38 | [<c019abd7>] do_vfs_ioctl+0x447/0x4a6
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| 39 | [<c0148f75>] ? put_lock_stats+0xd/0x21
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| 40 | [<c014902a>] ? lock_release_holdtime+0xa1/0xa9
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| 41 | [<c0190d6c>] ? fget_light+0xc8/0xe4
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| 42 | [<c019ac52>] ? sys_ioctl+0x1c/0x5f
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| 43 | [<c0121680>] ? sub_preempt_count+0xb5/0xd6
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| 44 | [<c019ac7b>] sys_ioctl+0x45/0x5f
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| 45 | [<c0102f05>] sysenter_do_call+0x12/0x35
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| 46 | [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91
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