Hi, I made a patch to fix the segfault in exiting fgfs on 0.9.11-pre2.This segfault happens by releasing uninitialized instance variables in FGGlobals::~FGGlobals()
Durk, or Melchior, appply this patch before the release, please. Thank you. Tat On Dec 8, 2007, at 10:43 PM, Tatsuhiro Nishioka wrote:
Hi there, I've encountered a weird sigfault on Mac OS 10.5 with 0.9.11-pre2. when I launch fgfs without opening window, fgfs crashes with segfault. e.g., fgfs --fg-root=. --help makes segfault. Simply launching fgfs without no options does too. So does specifying a wrong option. But It doesn't crash when launched with the main window (with options --airport=KSFO --aircraft=c172p) Here is the crash log that I have. Thread 0 Crashed: 0 fgfs 0x0048bfb6 std::_Rb_tree<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> > const, SGSharedPtr<SGMaterial> >, std::_Select1st<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> > const, SGSharedPtr<SGMaterial> > >, std::less<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> > const, SGSharedPtr<SGMaterial> > >::_M_erase(std::_Rb_tree_node<std::pair<std::basic_string<char,std::char_traits<char>, std::allocator<char> > const, SGSharedPtr<SGMaterial> > >*) + 92 1 fgfs 0x0048b628 SGMaterialLib::~SGMaterialLib() + 24 2 fgfs 0x00300c99 FGGlobals::~FGGlobals() + 467 3 fgfs 0x00002c56 fgExitCleanup() + 64 4 libSystem.B.dylib 0x9432e967 __cxa_finalize + 252 5 libSystem.B.dylib 0x9432e850 exit + 33 6 fgfs 0x00307cc7 fgMainInit(int, char**) + 1005 7 fgfs 0x00002973 main + 175 8 fgfs 0x000021f2 _start + 216 9 fgfs 0x00002119 start + 41 (snip) I guess this is caused by releasing uninitialized instance variable(s). the crash report says it happens around SGMaterialLib::~SGMaterialLib() but that method is empty.... hmmm, no idea what causes this. First I doubt this is caused by the patch that I made for fixing DList stack overflow, but the built without that patch also ends up with the same result. I've already tried some clean builds but it didn't help. Does anyone have the same issue? or any hints? Thanks in advance, Tat
FlightGear-0.9.11-pre2.diff
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