QT apps failing in the latest nightlys

[SeanCollins]

QT applications fialing in the latest nightlys, they worked back in the 436xx range, then broke sometime recently. I have not bisected the issue any further then that.

debug with bt

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This GDB was configured as "i586-pc-haiku"...(no debugging symbols found)

[tcsetpgrp failed in terminal_inferior: Invalid Argument]
Thread 1570 caused an exception: Segment violation
Reading symbols from /boot/system/runtime_loader...done.
Loaded symbols for /boot/system/runtime_loader
Reading symbols from /boot/common/lib/libqupzilla.so.1.1.8...done.
Loaded symbols for /boot/common/lib/libqupzilla.so.1.1.8
Reading symbols from /boot/common/lib/libQtWebKit.so.4.7.1...done.
Loaded symbols for /boot/common/lib/libQtWebKit.so.4.7.1
Reading symbols from /boot/common/lib/libQtScript.so.4.8.0...done.
Loaded symbols for /boot/common/lib/libQtScript.so.4.8.0
Reading symbols from /boot/common/lib/libQtSql.so.4.8.0...done.
Loaded symbols for /boot/common/lib/libQtSql.so.4.8.0
Reading symbols from /boot/common/lib/libQtGui.so.4.8.0...done.
Loaded symbols for /boot/common/lib/libQtGui.so.4.8.0
Reading symbols from /boot/system/lib/gcc4/libtracker.so...done.
Loaded symbols for /boot/system/lib/gcc4/libtracker.so
Reading symbols from /boot/common/lib/libQtNetwork.so.4.8.0...done.
Loaded symbols for /boot/common/lib/libQtNetwork.so.4.8.0
Reading symbols from /boot/system/lib/gcc4/libnetwork.so...done.
Loaded symbols for /boot/system/lib/gcc4/libnetwork.so
Reading symbols from /boot/common/lib/libQtCore.so.4.8.0...done.
Loaded symbols for /boot/common/lib/libQtCore.so.4.8.0
Reading symbols from /boot/system/lib/gcc4/libroot.so...done.
Loaded symbols for /boot/system/lib/gcc4/libroot.so
Reading symbols from /boot/system/lib/gcc4/libstdc++.so...done.
Loaded symbols for /boot/system/lib/gcc4/libstdc++.so
Reading symbols from /boot/common/lib/libphonon.so.4.4.0...done.
Loaded symbols for /boot/common/lib/libphonon.so.4.4.0
Reading symbols from /boot/system/lib/gcc4/libbe.so...done.
Loaded symbols for /boot/system/lib/gcc4/libbe.so
Reading symbols from /boot/system/lib/gcc4/libpng.so.1.4...done.
Loaded symbols for /boot/system/lib/gcc4/libpng.so.1.4
Reading symbols from /boot/system/lib/gcc4/libz.so.1...done.
Loaded symbols for /boot/system/lib/gcc4/libz.so.1
Reading symbols from /boot/system/lib/gcc4/libfreetype.so...done.
Loaded symbols for /boot/system/lib/gcc4/libfreetype.so
Reading symbols from /boot/system/lib/gcc4/libtranslation.so...done.
Loaded symbols for /boot/system/lib/gcc4/libtranslation.so
Reading symbols from /boot/system/lib/gcc4/liblocale.so...done.
Loaded symbols for /boot/system/lib/gcc4/liblocale.so
Reading symbols from /boot/system/lib/gcc4/libsupc++.so...done.
Loaded symbols for /boot/system/lib/gcc4/libsupc++.so
Reading symbols from /boot/system/lib/gcc4/libtextencoding.so...done.
Loaded symbols for /boot/system/lib/gcc4/libtextencoding.so
Reading symbols from /boot/system/lib/gcc4/libicudata.so.48.1.1...done.
Loaded symbols for /boot/system/lib/gcc4/libicudata.so.48.1.1
Reading symbols from /boot/system/lib/gcc4/libicui18n.so.48.1.1...done.
Loaded symbols for /boot/system/lib/gcc4/libicui18n.so.48.1.1
Reading symbols from /boot/system/lib/gcc4/libicuio.so.48.1.1...done.
Loaded symbols for /boot/system/lib/gcc4/libicuio.so.48.1.1
Reading symbols from /boot/system/lib/gcc4/libicule.so.48.1.1...done.
Loaded symbols for /boot/system/lib/gcc4/libicule.so.48.1.1
Reading symbols from /boot/system/lib/gcc4/libiculx.so.48.1.1...done.
Loaded symbols for /boot/system/lib/gcc4/libiculx.so.48.1.1
Reading symbols from /boot/system/lib/gcc4/libicutu.so.48.1.1...done.
Loaded symbols for /boot/system/lib/gcc4/libicutu.so.48.1.1
Reading symbols from /boot/system/lib/gcc4/libicuuc.so.48.1.1...done.
Loaded symbols for /boot/system/lib/gcc4/libicuuc.so.48.1.1
[tcsetpgrp failed in terminal_inferior: Invalid Argument]
[Switching to team /boot/apps/qupzilla/qupzilla (1570) thread qupzilla (1570)]
0x02bb9802 in _GLOBAL__sub_I_ControlLook.cpp ()
   from /boot/system/lib/gcc4/libbe.so
(gdb) bt
#0  0x02bb9802 in _GLOBAL__sub_I_ControlLook.cpp ()
   from /boot/system/lib/gcc4/libbe.so
#1  0x02ca16f7 in __do_global_ctors_aux () from /boot/system/lib/gcc4/libbe.so
#2  0x02b667d5 in _init () from /boot/system/lib/gcc4/libbe.so
#3  0x00100910 in init_dependencies () from /boot/system/runtime_loader
#4  0x00100d3c in load_program () from /boot/system/runtime_loader
#5  0x001061f2 in runtime_loader () from /boot/system/runtime_loader
#6  0x7ffeefec in ?? ()
(gdb) 

from syslog

KERN: write access attempted on write-protected area 0x37f3 at 0x023d5000
KERN: vm_page_fault: vm_soft_fault returned error 'Permission denied' on fault at 0x23d5160, ip 0x2bb9802, write 1, user 1, thread 0x3e5
KERN: vm_page_fault: thread "qupzilla" (997) in team "qupzilla" (997) tried to write address 0x23d5160, ip 0x2bb9802 ("libbe.so_seg0ro" +0x108802)
KERN: debug_server: Thread 997 entered the debugger: Segment violation
KERN: stack trace, current PC 0x2bb9802  _GLOBAL__sub_I_ControlLook.cpp + 0x15:
KERN:   (0x7ffeeef0)  0x2ca16f7  __do_global_ctors_aux + 0x27 (closest symbol)
KERN:   (0x7ffeef00)  0x2b667d5  (/boot/system/lib/gcc4/libbe.so + 0x15)
KERN:   (0x7ffeef0c)  0x100910  init_dependencies__FP7image_tb + 0x7c
KERN:   (0x7ffeef4c)  0x100d3c  load_program + 0xc8
KERN:   (0x7ffeefac)  0x1061f2  runtime_loader + 0xfa

[SeanCollins]

rev 43809 gcc2h, finished testing , 43762 is the very last revision QT works on.

[anevilyak]

Duplicate of #8358. That having been said, in general Qt will break on occasion regardless, since it's built with gcc4, which we don't currently guarantee binary compatibility for.