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Vijilante
SubAdmin
Joined: 18 Nov 2001
Posts: 5182
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 Posted: Sat Dec 01, 2007 4:35 pm
[2.14] Crash when freeing thread
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I suspected that some background threads were getting hung so I devised this test to see if I could make one hang while being shown as freed. The crash generated can be done with a smaller loop size, but even at 500 you may have to try it a few times to get the crash.
Procedure
1. Launch CMud
2. Close Sessions window (ESC)
3. Enter at the command line
| Code: |
| #LOOP 500 {#THREAD b {#SECTION c {#WAITSIGNAL a;#SIGNAL a};#SHOW done}};#SIGNAL a |
4. Repeat step as needed to get a crash, this may be system speed dependent.
| Code: |
date/time : 2007-12-01, 11:48:00, 194ms
operating system : Windows XP Service Pack 2 build 2600
system language : English
system up time : 43 days 4 hours
program up time : 23 seconds
processor : AMD Athlon(tm) Processor
physical memory : 130/383 MB (free/total)
free disk space : (C:) 14.29 GB
display mode : 1024x768, 32 bit
process id : $7edc
allocated memory : 48.85 MB
executable : cMUD.exe
exec. date/time : 2007-11-30 23:53
version : 2.14.0.1
madExcept version : 3.0b
callstack crc : $cd7826b3, $dc08e14a, $3be285be
count : 2
exception number : 1
exception class : Exception
exception message : Duplicate node in free list.
thread $614c:
006860ec +098 cMUD.exe PRealStr 183 +13 DisposeFree
0068628a +01a cMUD.exe PRealStr 238 +4 PRealStrings.Clear
00d56a71 +0d5 cMUD.exe CodeExec 2398 +7 DoDefault
00d57db2 +e86 cMUD.exe CodeExec 2698 +248 HandleCom
00d59478 +610 cMUD.exe CodeExec 3128 +108 TCodeExec.InternalExecute
00d5042a +05e cMUD.exe CodeExec 434 +8 TCodeExec.Execute
00c56a5f +147 cMUD.exe CodeThread 1684 +20 TRunCodeThread.Run
00904a9c +138 cMUD.exe IdThread 360 +47 TIdThread.Execute
0047de7a +036 cMUD.exe Classes 9372 +7 ThreadProc
00405acc +028 cMUD.exe System ThreadWrapper
Main ($910c):
7c90eb94 +000 ntdll.dll KiFastSystemCallRet
77d486a1 +00a USER32.dll GetDC
00505159 +065 cMUD.exe Controls 4086 +6 TControl.Repaint
005050e8 +00c cMUD.exe Controls 4074 +1 TControl.Refresh
00a05b1b +057 cMUD.exe te_scrollbar 1325 +14 TTeScrollBar.SetMax
00a21012 +042 cMUD.exe term 9399 +3 TTerm.set_VScrollMax
00a14fb9 +c49 cMUD.exe term 5262 +217 TTerm.DoPaint
00a150fa +02e cMUD.exe term 5284 +2 TTerm.Paint
0050f93e +05a cMUD.exe Controls 8918 +6 TCustomControl.PaintWindow
0050a3ca +052 cMUD.exe Controls 6402 +4 TWinControl.PaintHandler
0050a9f0 +04c cMUD.exe Controls 6547 +6 TWinControl.WMPaint
0050f8cf +01b cMUD.exe Controls 8907 +2 TCustomControl.WMPaint
0050646f +1df cMUD.exe Controls 4645 +53 TControl.WndProc
0050a19e +18e cMUD.exe Controls 6342 +33 TWinControl.WndProc
00a08604 +030 cMUD.exe term 978 +8 TTerm.WndProc
00509d70 +034 cMUD.exe Controls 6237 +3 TWinControl.MainWndProc
00480398 +014 cMUD.exe Classes 10966 +8 StdWndProc
7c90eae0 +010 ntdll.dll KiUserCallbackDispatcher
77d4c090 +02c USER32.dll UpdateWindow
0050d271 +01d cMUD.exe Controls 7736 +1 TWinControl.Update
00a14748 +3d8 cMUD.exe term 5110 +65 TTerm.DoPaint
00a150fa +02e cMUD.exe term 5284 +2 TTerm.Paint
0050f93e +05a cMUD.exe Controls 8918 +6 TCustomControl.PaintWindow
0050a3ca +052 cMUD.exe Controls 6402 +4 TWinControl.PaintHandler
0050a9f0 +04c cMUD.exe Controls 6547 +6 TWinControl.WMPaint
0050f8cf +01b cMUD.exe Controls 8907 +2 TCustomControl.WMPaint
0050646f +1df cMUD.exe Controls 4645 +53 TControl.WndProc
0050a19e +18e cMUD.exe Controls 6342 +33 TWinControl.WndProc
00a08604 +030 cMUD.exe term 978 +8 TTerm.WndProc
00509d70 +034 cMUD.exe Controls 6237 +3 TWinControl.MainWndProc
00480398 +014 cMUD.exe Classes 10966 +8 StdWndProc
7c90eae0 +010 ntdll.dll KiUserCallbackDispatcher
77d4c090 +02c USER32.dll UpdateWindow
0050d271 +01d cMUD.exe Controls 7736 +1 TWinControl.Update
00a151a6 +076 cMUD.exe term 5320 +25 TTerm.SetUpdate
00c936cb +213 cMUD.exe MAIN 1660 +35 TMUDForm.NextMUDLine
00c93a21 +019 cMUD.exe MAIN 1721 +4 TMUDForm.DoNextLine
00cdc46d +039 cMUD.exe MAIN 20880 +3 TMUDForm.ProcessMUDNow
00cd3f78 +0a0 cMUD.exe MAIN 18527 +12 TMUDForm.ExecCommand
00c5559b +0d7 cMUD.exe CodeThread 1184 +9 TRunCodeThread.DoExecCommand
0047dda1 +101 cMUD.exe Classes 9339 +22 CheckSynchronize
0052ebcf +6df cMUD.exe Forms 6671 +144 TApplication.WndProc
00480398 +014 cMUD.exe Classes 10966 +8 StdWndProc
77d4bcc7 +00a USER32.dll DispatchMessageA
0052f324 +0ac cMUD.exe Forms 6873 +13 TApplication.ProcessMessage
0052f36b +00f cMUD.exe Forms 6892 +1 TApplication.HandleMessage
0052f606 +0a6 cMUD.exe Forms 6976 +16 TApplication.Run
00dcbc28 +088 cMUD.exe CMUD 344 +18 initialization
7c91312f +069 ntdll.dll RtlUnicodeStringToAnsiString
7c812907 +0b6 kernel32.dll GetVersionExA |
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Malach
Apprentice
Joined: 03 Nov 2007
Posts: 132
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Posted: Sun Dec 02, 2007 11:11 pm
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Confirmed
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Intel Core2 Quad CPU @ 2.4 GHZ with Windows Vista Home Premium and 2 GB Ram |
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Zugg
MASTER
Joined: 25 Sep 2000
Posts: 23379
Location: Colorado, USA
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Posted: Mon Dec 03, 2007 6:10 pm
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Added to bug list.
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