Just to confirm that I can crash LyX by pressing the apply button (as opposed 
to the Close button; problem resolved) in the FormPreferences dialog:

* Open up a document.
* Open Preferences dialog.
* Change something to activate Apply button.
* Press Apply.

LyX crashes. Problem traced to Dispatch call in FormPreferences::apply()

Angus

aleem@pneumon:src-> dbx lyx
dbx version 3.11.10
Type 'help' for help.
 
(dbx) r
LyX: Unknown tag `\literate_command' [around line 25 of file 
/usr/local/share/lyx/lyxrc.defaults]
MenuItem(): LyX command `buffer-view-ps' does not exist.
MenuItem(): LyX command `buffer-typeset' does not exist.
MenuItem(): LyX command `buffer-typeset-ps' does not exist.
signal Segmentation fault at >*[TimerCB, 0x1201d3e14]   ldq     r16, 0(r3)
(dbx) where
>  0 TimerCB(0x1201a5190, 0x1400e6580, 0x1403e5d80, 0x1403e5d80, 0x12015a1c0) 
[0x1201d3e14]
   1 resizeCurrentBuffer__Q110BufferView5PimplXv(0x5f6e696765625c0a, 
0x65736e695f646e65, 0x0, 0x1400eae00, 0x11fffd948) [0x12015a1bc]
   2 resize__Q110BufferView5PimplXv(0x0, 0x1400eae00, 0x11fffd948, 0xfa, 
0x120151ea8) [0x120159950]
   3 resize__10BufferViewXv(0x11fffd948, 0xfa, 0x120151ea8, 0xf9, 
0x12019ecd0) [0x120151ea4]
   4 resize__6BufferXv(0x120151ea8, 0xf9, 0x12019ecd0, 0x200000004, 
0x12019fd84) [0x12019eccc]
   5 resize__10BufferListXv(0x12019fd84, 0xa00, 0x1201f8144, 0x0, 
0x1400eba00) [0x12019fd80]
   6 
Dispatch__7LyXFuncXiRCQ13std60basic_string__TcQ13std15char_traits__TcQ13std13allocator__Tv(0x3ff801151ac,
 
0x1400f0c00, 0x120335630, 0x11ffff350, 0x1202f3c5c) [0x1201f8140]
   7 apply__15FormPreferencesXv(0x100000001, 0x100000001, 0x14006f4a0, 0x1, 
0x4014000000000000) [0x1202f3c7c]
   8 ApplyCB__8FormBaseXP7flobjs_l(0x14006f4a0, 0x1, 0x4014000000000000, 0x0, 
0x120302e3c) [0x120303aa0]
   9 C_FormBaseApplyCB(0x4014000000000000, 0x0, 0x120302e3c, 0x1200c3a80, 
0x3ffbff3e87c) [0x120302e38]
  10 fl_object_qread(0x120302e3c, 0x1200c3a80, 0x3ffbff3e87c, 0x0, 
0x3ffbff538e0) [0x3ffbff3e878]
  11 fl_check_forms(0x3ffbff3e87c, 0x0, 0x3ffbff538e0, 0x0, 0x1202db07c) 
[0x3ffbff538dc]
  12 runTime__10GUIRunTimeXv(0x140086700, 0x14010ff40, 0x1f7000002000, 
0x1400f2430, 0x12032b000) [0x1202db078]
  13 runTime__6LyXGUIXv(0x1f7000002000, 0x1400f2430, 0x12032b000, 
0x1400f2430, 0x1201da438) [0x1201d713c]
  14 __ct__3LyXXPiPPc(0x14009cd00, 0x0, 0x1400730c0, 0x1200b3650, 
0x11ffff7c8) [0x1201da434]
  15 main(0x0, 0x80084600, 0x14009cd20, 0x3ff00000001, 0x11ffff848) 
[0x12020f62c]                                                                 
              

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