#12215 NORM Not Tri: XO-4: X11 segfault triggered by touch input (#2)

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#12215: XO-4: X11 segfault triggered by touch input (#2)
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 Reporter:  greenfeld        |                 Owner:  jnettlet                         
     Type:  defect           |                Status:  new                              
 Priority:  normal           |             Milestone:  Not Triaged                      
Component:  x window system  |               Version:  Development build as of this date
 Keywords:                   |           Next_action:  diagnose                         
 Verified:  0                |   Deployment_affected:                                   
Blockedby:                   |              Blocking:                                   
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 I saw a X11 crash after trying to resume an activity from Sugar's journal.
 This may or may not be related to #12171 as the backtrace is different.

 The crash appears to be rapidly repeating copies of the following
 backtrace:

 {{{
 [ 11954.357] (EE) BUG: triggered 'if (!(event->device_event.flags & (1 <<
 5)))'
 [ 11954.357] (EE) BUG: touch.c:628 in TouchConvertToPointerEvent()
 [ 11954.357] (EE) Non-emulating touch event
 [ 11954.357] (EE)
 [ 11954.357] (EE) Backtrace:
 [ 11954.358] (EE) 0: X (xorg_backtrace+0x2c) [0x6ad70]
 [ 11954.358] (EE) 1: X (0x8000+0x587e8) [0x607e8]
 [ 11954.358] (EE) 2: X (0x8000+0x125504) [0x12d504]
 [ 11954.358] (EE) 3: X (0x8000+0x124f34) [0x12cf34]
 [ 11954.358] (EE) 4: X (0x8000+0x127848) [0x12f848]
 [ 11954.358] (EE) 5: X (mieqProcessDeviceEvent+0x188) [0x17c34c]
 [ 11954.359] (EE) 6: X (mieqProcessInputEvents+0x110) [0x17c470]
 [ 11954.359] (EE) 7: X (ProcessInputEvents+0x10) [0x882c8]
 [ 11954.359] (EE) 8: X (0x8000+0x591b4) [0x611b4]
 [ 11954.359] (EE) 9: X (0x8000+0x125668) [0x12d668]
 [ 11954.359] (EE) 10: X (0x8000+0x124f34) [0x12cf34]
 [ 11954.360] (EE) 11: X (0x8000+0x127848) [0x12f848]
 [ 11954.360] (EE) 12: X (0x8000+0x148c60) [0x150c60]
 [ 11954.360] (EE) 13: X (mieqProcessDeviceEvent+0x188) [0x17c34c]
 [ 11954.360] (EE) 14: X (mieqProcessInputEvents+0x110) [0x17c470]
 [ 11954.360] (EE) 15: X (ProcessInputEvents+0x10) [0x882c8]
 [ 11954.360] (EE) 16: X (0x8000+0x305dc) [0x385dc]
 [ 11954.360] (EE) 17: X (0x8000+0x20138) [0x28138]
 [ 11954.361] (EE) 18: /lib/libc.so.6 (__libc_start_main+0x110)
 [0xb6a7a1e8]
 [ 11954.361] (EE)
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/12215>
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