[Pythonmac-SIG] Bus Error: wxPython

Greg Hoover ghoover19 at cox.net
Wed Jun 2 04:06:22 EDT 2004 

Nevermind...found the problem.  There must be a name conflict in some  
library, because when I changed the names of the event handler  
functions the application doesn't crash.

--Greg

On Jun 2, 2004, at 12:57 AM, Greg Hoover wrote:

> I've got a strange situation when using wxPython (version 2.4.2.4  
> btw).  The main class creates two frames, one of which functions  
> correctly.  The second has a bizarre behavior.  When running the code  
> below, the application quits due to a Bus Error, more specifically a  
> EXC_BAD_ACCESS exception.  If I comment out the EVT_BUTTON event  
> handler lines, the code runs fine.  The panel below is added to a  
> wxNotebook inside of a wxFrame.  Any ideas?  Or advice for tracking  
> this down further?
>
> Here is the offending code:
>
> #/usr/bin/pythonw
>
> from wxPython.wx import *
>
> #
> # ADC FILE PANEL
> #
> class adcFilePanel(wxPanel):
> 	def __init__(self, parent, size, id, pos = wxDefaultPosition, style =  
> wxNO_BORDER):
> 		wxPanel.__init__(self, parent, id, pos, size)
> 		
> 		self.parent = parent
> 		
> 		self.uploadFile = wxTextCtrl(self, -1, 'ADC Upload File',
> 									pos = wxPoint(20, 20),
> 									size = wxSize(250, 24))
> 		
> 		self.downloadFile = wxTextCtrl(self, -1, 'ADC Download File',
> 									pos = wxPoint(20, 55),
> 									size = wxSize(250, 24))
> 		
> 		self.uploadButton = wxButton(self, 1030,
> 							label = 'Upload',
> 							pos = wxPoint(280, 20))
> 	
> 		EVT_BUTTON(self, 1030, self.uploadFile)								
> 							
>
> 		self.downloadButton = wxButton(self, 1031,
> 							  label = 'Download',
> 							  pos = wxPoint(280, 55))
> 	
> 		EVT_BUTTON(self, 1031, self.downloadFile)								
> 							  							
> 		self.Show(true)	
> 	
> 		
>
> 	def dispose(self, event):
> 		
> 		self.Show(False)
> 		
> 		del self
>
>
> 	def uploadFile(self, event):
> 	
> 		pass
> 		
> 		
> 	def downloadFile(self, event):
> 	
> 		pass
>
>
>
> Here is the resulting crash log:
>
> **********
>
> Host Name:      xserver
> Date/Time:      2004-06-02 00:52:06 -0700
> OS Version:     10.3.4 (Build 7H63)
> Report Version: 2
>
> Command: Python
> Path:     
> /System/Library/Frameworks/Python.framework/Versions/2.3/Resources/ 
> Python.app/Contents/MacOS/Python
> Version: 2.3 (2.3)
> PID:     7360
> Thread:  0
>
> Exception:  EXC_BAD_ACCESS (0x0001)
> Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000028
>
> Thread 0 Crashed:
> 0   <<00000000>> 	0x95fb8d08 0 + 0x95fb8d08
> 1   <<00000000>> 	0x95f4e4ec 0 + 0x95f4e4ec
> 2   <<00000000>> 	0x95f737dc 0 + 0x95f737dc
> 3   <<00000000>> 	0x95f74618 0 + 0x95f74618
> 4   wxc.so                         	0x0101bab8  
> _wrap_wxEvtHandler_Connect + 0x118
> 5   <<00000000>> 	0x95f4a8d0 0 + 0x95f4a8d0
> 6   <<00000000>> 	0x95fa9df0 0 + 0x95fa9df0
> 7   <<00000000>> 	0x95fa6d44 0 + 0x95fa6d44
> 8   <<00000000>> 	0x95fa7e30 0 + 0x95fa7e30
> 9   <<00000000>> 	0x95fa97dc 0 + 0x95fa97dc
> 10  <<00000000>> 	0x95fa9580 0 + 0x95fa9580
> 11  <<00000000>> 	0x95fa6c64 0 + 0x95fa6c64
> 12  <<00000000>> 	0x95fa9728 0 + 0x95fa9728
> 13  <<00000000>> 	0x95fa9580 0 + 0x95fa9580
> 14  <<00000000>> 	0x95fa6c64 0 + 0x95fa6c64
> 15  <<00000000>> 	0x95fa7e30 0 + 0x95fa7e30
> 16  <<00000000>> 	0x95f5f354 0 + 0x95f5f354
> 17  <<00000000>> 	0x95f4a8d0 0 + 0x95f4a8d0
> 18  <<00000000>> 	0x95f529e8 0 + 0x95f529e8
> 19  <<00000000>> 	0x95f4a8d0 0 + 0x95f4a8d0
> 20  <<00000000>> 	0x95fa91ec 0 + 0x95fa91ec
> 21  <<00000000>> 	0x95f4de40 0 + 0x95f4de40
> 22  <<00000000>> 	0x95f4a8d0 0 + 0x95f4a8d0
> 23  <<00000000>> 	0x95fa9ba8 0 + 0x95fa9ba8
> 24  <<00000000>> 	0x95fa9598 0 + 0x95fa9598
> 25  <<00000000>> 	0x95fa6c64 0 + 0x95fa6c64
> 26  <<00000000>> 	0x95fa7e30 0 + 0x95fa7e30
> 27  <<00000000>> 	0x95f5f354 0 + 0x95f5f354
> 28  <<00000000>> 	0x95f4a8d0 0 + 0x95f4a8d0
> 29  <<00000000>> 	0x95f529e8 0 + 0x95f529e8
> 30  <<00000000>> 	0x95f4a8d0 0 + 0x95f4a8d0
> 31  <<00000000>> 	0x95fa91ec 0 + 0x95fa91ec
> 32  <<00000000>> 	0x95f4de40 0 + 0x95f4de40
> 33  <<00000000>> 	0x95f4a8d0 0 + 0x95f4a8d0
> 34  <<00000000>> 	0x95fa9ba8 0 + 0x95fa9ba8
> 35  <<00000000>> 	0x95fa9598 0 + 0x95fa9598
> 36  <<00000000>> 	0x95fa6c64 0 + 0x95fa6c64
> 37  <<00000000>> 	0x95fa7e30 0 + 0x95fa7e30
> 38  <<00000000>> 	0x95fa4734 0 + 0x95fa4734
> 39  <<00000000>> 	0x95fc85f0 0 + 0x95fc85f0
> 40  <<00000000>> 	0x95fc7668 0 + 0x95fc7668
> 41  <<00000000>> 	0x95fd1ec0 0 + 0x95fd1ec0
> 42  org.python.python              	0x00003c78 0x1000 + 0x2c78
> 43  org.python.python              	0x00003aec 0x1000 + 0x2aec
>
> Thread 1:
> 0   libSystem.B.dylib              	0x900074c8 mach_msg_trap + 0x8
> 1   libSystem.B.dylib              	0x90007018 mach_msg + 0x38
> 2   com.unsanity.ape               	0xc000a954 __ape_internal + 0x90b8
> 3   com.unsanity.ape               	0xc0001328 __ape_agent + 0x40
> 4   libSystem.B.dylib              	0x900246e8 _pthread_body + 0x28
>
> Thread 2:
> 0   libSystem.B.dylib              	0x900074c8 mach_msg_trap + 0x8
> 1   libSystem.B.dylib              	0x90007018 mach_msg + 0x38
> 2   ...lagutin.audio_hijack.server 	0x00798770 ah_serv_loop + 0x58
> 3   libSystem.B.dylib              	0x900246e8 _pthread_body + 0x28
>
> PPC Thread State:
>   srr0: 0x95fb8d08 srr1: 0x0000f030                vrsave: 0x00000000
>     cr: 0x24224222  xer: 0x00000004   lr: 0x95f4e3a8  ctr: 0x95fb8cec
>     r0: 0x95f4e3a8   r1: 0xbfffe100   r2: 0x00000000   r3: 0x00000000
>     r4: 0xa5f47cd0   r5: 0x4221c438   r6: 0x00000000   r7: 0x00000061
>     r8: 0x0000006c   r9: 0x00000018  r10: 0x95fb8cf4  r11: 0xa5f607b8
>    r12: 0x95fb8cec  r13: 0x015cbbe0  r14: 0x00000000  r15: 0x015cec38
>    r16: 0x00000000  r17: 0x00000000  r18: 0x00000000  r19: 0x00000003
>    r20: 0x003ab61c  r21: 0x003054c0  r22: 0x00000000  r23: 0x0114cfe4
>    r24: 0x003054c0  r25: 0x00002713  r26: 0xffffffff  r27: 0x00019520
>    r28: 0x00000000  r29: 0x017ea648  r30: 0x00019534  r31: 0x95f4e2bc
>
> Binary Images Description:
>     0x1000 -     0x4fff org.python.python  
> 2.3	/System/Library/Frameworks/Python.framework/Versions/2.3/ 
> Resources/Python.app/Contents/MacOS/Python
>   0x795000 -   0x79afff alex_lagutin.audio_hijack.server  
> 1.2	/Library/Application Enhancers/Audio Hijack  
> Server.ape/Contents/MacOS/Audio Hijack Server
>  0x1008000 -  0x11f2fff wxc.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/site-packages/wxPython/wxc.so
>  0x17f6000 -  0x17fafff array.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/array.so
>  0x2008000 -  0x2009fff time.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/time.so
>  0x2014000 -  0x2017fff strop.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/strop.so
>  0x201f000 -  0x2020fff fcntl.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/fcntl.so
>  0x2027000 -  0x2028fff termios.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/termios.so
>  0x2031000 -  0x2034fff struct.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/struct.so
>  0x203b000 -  0x203cfff select.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/select.so
>  0x204f000 -  0x205afff _curses.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/_curses.so
>  0x20a2000 -  0x20a3fff macSerialLocator.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/site-packages/macSerialLocator.so
>  0x20ab000 -  0x20acfff MacOS.so  
> 	/System/Library/Frameworks/Python.framework/Versions/2.3/lib/ 
> python2.3/lib-dynload/MacOS.so
>  0x25b8000 -  0x28bbfff libwx_mac-2.4.0.dylib  
> 	/usr/local/lib/libwx_mac-2.4.0.dylib
> 0x8fe00000 - 0x8fe4ffff dyld 	/usr/lib/dyld
> 0x90000000 - 0x90122fff libSystem.B.dylib 	/usr/lib/libSystem.B.dylib
> 0x90190000 - 0x9023dfff com.apple.CoreFoundation 6.3.4  
> (299.31)	/System/Library/Frameworks/CoreFoundation.framework/Versions/ 
> A/CoreFoundation
> 0x90280000 - 0x904f9fff com.apple.CoreServices.CarbonCore  
> 10.3.4	/System/Library/Frameworks/CoreServices.framework/Versions/A/ 
> Frameworks/CarbonCore.framework/Versions/A/CarbonCore
> 0x90570000 - 0x905defff com.apple.framework.IOKit 1.3.2  
> (???)	/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
> 0x90610000 - 0x9069afff com.apple.CoreServices.OSServices  
> 3.0.1	/System/Library/Frameworks/CoreServices.framework/Versions/A/ 
> Frameworks/OSServices.framework/Versions/A/OSServices
> 0x90700000 - 0x90700fff com.apple.CoreServices 10.3  
> (???)	/System/Library/Frameworks/CoreServices.framework/Versions/A/ 
> CoreServices
> 0x90720000 - 0x90787fff com.apple.audio.CoreAudio  
> 2.1.2	/System/Library/Frameworks/CoreAudio.framework/Versions/A/ 
> CoreAudio
> 0xc0000000 - 0xc000efff com.unsanity.ape  
> 1.4.1	/Library/Frameworks/ApplicationEnhancer.framework/Versions/A/ 
> ApplicationEnhancer
>
>
> Thanks in advance.
>
> --Greg_______________________________________________
> Pythonmac-SIG maillist  -  Pythonmac-SIG at python.org
> http://mail.python.org/mailman/listinfo/pythonmac-sig
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