KERN: 1531: DEBUGGER: Looper must be locked.
KERN: debug_server: Thread 1531 entered the debugger: Debugger call: `Looper must be locked.'
KERN: stack trace, current PC 0x9657911aa9  _kern_debugger + 0x9:
KERN:   (0x7f952442f1f0)  0x12f35d2c8ea  _ZN7BLooper10check_lockEv + 0x36
KERN:   (0x7f952442f220)  0x12f35dd6b47  _ZNK5BView26_CheckLockAndSwitchCurrentEv + 0x1d
KERN:   (0x7f952442f240)  0x12f35dd75f8  _ZNK5BView31_CheckOwnerLockAndSwitchCurrentEv + 0x10
KERN:   (0x7f952442f250)  0x12f35ddf217  _ZNK5BView7GetFontEP5BFont + 0x3d
KERN:   (0x7f952442f270)  0x1f2e7702163  _ZN8BPrivate16BContainerWindow14BuildAddOnMenuEP5BMenu + 0x7f
KERN:   (0x7f952442f380)  0x1f2e76ff794  _ZN8BPrivate16BContainerWindow10UpdateMenuEP5BMenuNS0_17UpdateMenuContextE + 0x8a
KERN:   (0x7f952442f4f0)  0x1f2e76fef0e  _ZN8BPrivate16BContainerWindow15ShowContextMenuE6BPointPK9entry_refP5BView + 0x5bc
KERN:   (0x7f952442f700)  0x1f2e7760383  _ZN8BPrivate9BPoseView15ShowContextMenuE6BPoint + 0xc7
KERN:   (0x7f952442f750)  0x1f2e776047b  _ZN8BPrivate9BPoseView13MouseLongDownEPK8BMessage + 0x5f
KERN:   (0x7f952442f780)  0x1f2e776c9e4  _ZN8BPrivate9BPoseView15MessageReceivedEP8BMessage + 0x2a8
KERN:   (0x7f952442f8b0)  0x12f35d2d168  _ZN7BLooper15DispatchMessageEP8BMessageP8BHandler + 0x1e
KERN:   (0x7f952442f8c0)  0x12f35de9be3  _ZN7BWindow15DispatchMessageEP8BMessageP8BHandler + 0x18b
KERN:   (0x7f952442fba0)  0x12f35de4b07  _ZN7BWindow11task_looperEv + 0x18f
KERN:   (0x7f952442fc40)  0x12f35d2be53  _ZN7BLooper7_task0_EPv + 0x2d
KERN:   (0x7f952442fc60)  0x96579108c6  thread_entry + 0x12