VirtualBox

Ticket #4368: dmesg

File dmesg, 2.0 KB (added by Benjamin Gilbert, 15 years ago)

Kernel backtrace

Line 
1=============================================
2[ INFO: possible recursive locking detected ]
32.6.29-686 #1
4---------------------------------------------
5VirtualBox/7039 is trying to acquire lock:
6 (&pSpinlockInt->Spinlock){--..}, at: [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
7
8but task is already holding lock:
9 (&pSpinlockInt->Spinlock){--..}, at: [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
10
11other info that might help us debug this:
121 lock held by VirtualBox/7039:
13 #0: (&pSpinlockInt->Spinlock){--..}, at: [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
14
15stack backtrace:
16Pid: 7039, comm: VirtualBox Not tainted 2.6.29-686 #1
17Call Trace:
18 [<c014be12>] validate_chain+0x4b2/0xba6
19 [<c014cb6f>] ? __lock_acquire+0x669/0x701
20 [<c014cb6f>] __lock_acquire+0x669/0x701
21 [<c014cc4f>] lock_acquire+0x48/0x64
22 [<fd0c53b4>] ? RTSpinlockAcquire+0x13/0x15 [vboxdrv]
23 [<c041f06b>] _spin_lock+0x2d/0x5d
24 [<fd0c53b4>] ? RTSpinlockAcquire+0x13/0x15 [vboxdrv]
25 [<fd0c53b4>] RTSpinlockAcquire+0x13/0x15 [vboxdrv]
26 [<fd0be8a3>] SUPR0ObjAddRefEx+0x79/0x190 [vboxdrv]
27 [<fd0be9e6>] supdrvSessionObjHandleRetain+0x15/0x17 [vboxdrv]
28 [<fd0c8600>] RTHandleTableLookupWithCtx+0x9e/0xca [vboxdrv]
29 [<fd0be6b5>] SUPSemEventWaitNoResume+0x38/0x67 [vboxdrv]
30 [<fd0c1688>] supdrvIOCtl+0x1c09/0x1d9f [vboxdrv]
31 [<c01801b3>] ? might_fault+0x70/0x8d
32 [<fd0bd23d>] VBoxDrvLinuxIOCtl+0xf9/0x16d [vboxdrv]
33 [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91
34 [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91
35 [<fd0bd144>] ? VBoxDrvLinuxIOCtl+0x0/0x16d [vboxdrv]
36 [<c019a67d>] vfs_ioctl+0x27/0x6c
37 [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91
38 [<c019abd7>] do_vfs_ioctl+0x447/0x4a6
39 [<c0148f75>] ? put_lock_stats+0xd/0x21
40 [<c014902a>] ? lock_release_holdtime+0xa1/0xa9
41 [<c0190d6c>] ? fget_light+0xc8/0xe4
42 [<c019ac52>] ? sys_ioctl+0x1c/0x5f
43 [<c0121680>] ? sub_preempt_count+0xb5/0xd6
44 [<c019ac7b>] sys_ioctl+0x45/0x5f
45 [<c0102f05>] sysenter_do_call+0x12/0x35
46 [<c0285619>] ? radix_tree_gang_lookup_tag_slot+0x4a/0x91

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