Mar 29 12:38:06 lx-azerty kernel: warning: `VirtualBox' uses 32-bit capabilities (legacy support in use) Mar 29 12:38:13 lx-azerty kernel: Mar 29 12:38:13 lx-azerty kernel: ============================================= Mar 29 12:38:13 lx-azerty kernel: [ INFO: possible recursive locking detected ] Mar 29 12:38:13 lx-azerty kernel: 2.6.33.1-22.fc13.x86_64 #1 Mar 29 12:38:13 lx-azerty kernel: --------------------------------------------- Mar 29 12:38:13 lx-azerty kernel: VirtualBox/2745 is trying to acquire lock: Mar 29 12:38:13 lx-azerty kernel: (&(&pThis->Spinlock)->rlock){+.+...}, at: [] RTSpinlockAcquire+0x12/0x14 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: Mar 29 12:38:13 lx-azerty kernel: but task is already holding lock: Mar 29 12:38:13 lx-azerty kernel: (&(&pThis->Spinlock)->rlock){+.+...}, at: [] RTSpinlockAcquire+0x12/0x14 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: Mar 29 12:38:13 lx-azerty kernel: other info that might help us debug this: Mar 29 12:38:13 lx-azerty kernel: 1 lock held by VirtualBox/2745: Mar 29 12:38:13 lx-azerty kernel: #0: (&(&pThis->Spinlock)->rlock){+.+...}, at: [] RTSpinlockAcquire+0x12/0x14 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: Mar 29 12:38:13 lx-azerty kernel: stack backtrace: Mar 29 12:38:13 lx-azerty kernel: Pid: 2745, comm: VirtualBox Not tainted 2.6.33.1-22.fc13.x86_64 #1 Mar 29 12:38:13 lx-azerty kernel: Call Trace: Mar 29 12:38:13 lx-azerty kernel: [] __lock_acquire+0xcb5/0xd2c Mar 29 12:38:13 lx-azerty kernel: [] ? sched_clock_cpu+0xc3/0xce Mar 29 12:38:13 lx-azerty kernel: [] lock_acquire+0xdc/0x102 Mar 29 12:38:13 lx-azerty kernel: [] ? RTSpinlockAcquire+0x12/0x14 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] _raw_spin_lock+0x36/0x69 Mar 29 12:38:13 lx-azerty kernel: [] ? RTSpinlockAcquire+0x12/0x14 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] RTSpinlockAcquire+0x12/0x14 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] SUPR0ObjAddRefEx+0xc0/0x1f9 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] g_abExecMemory+0x43259/0x180000 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] g_abExecMemory+0x4dd1c/0x180000 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] g_abExecMemory+0x44ec2/0x180000 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] g_abExecMemory+0x11ed4/0x180000 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] ? lock_release_non_nested+0xd5/0x23b Mar 29 12:38:13 lx-azerty kernel: [] g_abExecMemory+0x12660/0x180000 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] supdrvIOCtl+0x1098/0x1e52 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] ? might_fault+0xa5/0xac Mar 29 12:38:13 lx-azerty kernel: [] ? might_fault+0x5c/0xac Mar 29 12:38:13 lx-azerty kernel: [] VBoxDrvLinuxIOCtl+0x124/0x1a7 [vboxdrv] Mar 29 12:38:13 lx-azerty kernel: [] vfs_ioctl+0x32/0xa6 Mar 29 12:38:13 lx-azerty kernel: [] do_vfs_ioctl+0x490/0x4d6 Mar 29 12:38:13 lx-azerty kernel: [] ? fget_light+0x57/0x105 Mar 29 12:38:13 lx-azerty kernel: [] sys_ioctl+0x56/0x79 Mar 29 12:38:13 lx-azerty kernel: [] system_call_fastpath+0x16/0x1b