[Terminal] app_server could freeze on tab creation

[diver]

app_server could freeze on tab creation in Terminal using alt+t For this you have to hit alt+t 10-15 times. After 20 seconds app_server will be back, but terminal will be hopelessly frozen.

[diver]

Oh and another issue, after killing Terminal using Vulcan Death Grip method, Terminal's window will stay on screen. Should i open another bug for this?

[diver]

And another one, replicants (e.g. ProcessController) don't react on mouse events anymore after app_server wakeup.

[diver]

I'm even managed to crash terminal this way.

vm_soft_fault: va 0x2000 not covered by area in address space
vm_page_fault: vm_soft_fault returned error 'Bad address' on fault at 0x2000, ip 0x7df79d, write 1, user 1, thread 0x146
vm_page_fault: sending team "/boot/beos/apps/Terminal" 0x13e SIGSEGV, ip 0x7df79d ("libroot.so_seg0ro" +0x2979d)
stack trace:
  0x007dfd65 (libroot.so_seg0ro + 0x29d65)
  0x007e0867 (libroot.so_seg0ro + 0x2a867)
  0x007e0ce1 (libroot.so_seg0ro + 0x2ace1)
  0x00219843 (Terminal_seg0ro + 0x19843)
  0x0021c25c (Terminal_seg0ro + 0x1c25c)
  0x0021bda2 (Terminal_seg0ro + 0x1bda2)
  0x00225ffd (Terminal_seg0ro + 0x25ffd)
  0x00225be5 (Terminal_seg0ro + 0x25be5)
  0x00224156 (Terminal_seg0ro + 0x24156)
  0x002f7f0f (libbe.so_seg0ro + 0xc2f0f)
  0x003a2889 (libbe.so_seg0ro + 0x16d889)
  0x003a5d80 (libbe.so_seg0ro + 0x170d80)
  0x002f944f (libbe.so_seg0ro + 0xc444f)
  0x007d67d0 (libroot.so_seg0ro + 0x207d0)
  0x70102fec (Terminal 1_146_stack + 0x3ffec)
vm_soft_fault: va 0x0 not covered by area in address space
vm_page_fault: vm_soft_fault returned error 'Bad address' on fault at 0x0, ip 0x800959b8, write 0, user 0, thread 0x146
debug_server: Thread 326 entered the debugger: Segment violation
stack trace, current PC 0x7df79d  __Q28BPrivate10superblockiiPQ28BPrivate9hoardHeap + 0x21:
  (0x7010293c)  0x7dfd65  makeSuperblock__Q28BPrivate10superblockiPQ28BPrivate11processHeap + 0x2f9
  (0x7010296c)  0x7e0867  malloc__Q28BPrivate10threadHeapUl + 0xabf
  (0x701029bc)  0x7e0ce1  calloc + 0x149
  (0x701029ec)  0x219843  __10TermBufferiii + 0xd7
  (0x70102a1c)  0x21c25c  _InitObject__8TermViewPCc + 0x74
  (0x70102a6c)  0x21bda2  __8TermViewiiPCcl + 0x276
  (0x70102aac)  0x225ffd  __14CustomTermViewllPCcl + 0x31
  (0x70102aec)  0x225be5  _AddTab__10TermWindowPCc + 0x165
  (0x70102bcc)  0x224156  MessageReceived__10TermWindowP8BMessage + 0x2da
  (0x70102d9c)  0x2f7f0f  DispatchMessage__7BLooperP8BMessageP8BHandler + 0x5b
  (0x70102dcc)  0x3a2889  DispatchMessage__7BWindowP8BMessageP8BHandler + 0x1391
  (0x70102f1c)  0x3a5d80  task_looper__7BWindow + 0x270      

I found this test case very useful to find all sorts of bad thing (zombie deskbar, empty task in team monitor, unkillable windows, shifted context menus, focus lost, etc, etc).

[jackburton]

Looks like memory is exhausted, and Terminal doesn't handle this gracefully. I'll look into it.

[jackburton]

Although I limited the number of tabs to 6 (for various reasons, including the fact that too many tabs were just unhandy) in r23700, I couldn't freeze the app_server anymore. Terminal, though, did freeze, more or less when the memory were close to be exhausted. Shall I close this bug, and eventually open a new one for the terminal problem ?

[axeld]

Yes please.