Re: [Etoile-discuss] Need help for an error launching application subclassing EtoileUI.

Fri, 11 May 2012 07:57:27 -0700 

On 11.05.2012 14:37, Quentin Mathé wrote:

Hello Banlu :)


Oh, I didn't recognize you.


Le 10 mai 2012 à 20:20, Al Chemyth a écrit :


I see, I am willing to rewrite them. There is no specific UI that the 
application needs at this point. Most of them are Gorm's widgets. I'm also 
willing to replace DPS operations with Opal but I'll look into that in a new 
branch.


DPS operations should be ok. I doubt you can use Opal though. Opal is not yet 
integrated with GNUstep Gui and Back, although Eric might have made some 
progresses in a branch.


Here I supply the backtrace.

(gdb) bt
#0  NSLog (format=0xb2acc6f0) at NSLog.m:249
#1  0xb2a61215 in -[GSContext(NSGraphics) DPSundefineuserobject:] (
     self=<error reading variable: Unhandled dwarf expression opcode 0x0>,
     _cmd=0xb2acb6b8, index=<optimized out>) at GSContext.m:964
#2  0xb2a5e8c0 in -[GSContext(Ops) GSUndefineGState:] (self=0x87a3724,
     _cmd=0xb7a40788, gst=3) at GSContext.m:488
#3  0xb784583a in GSUndefineGState (ctxt=<optimized out>, gst=<optimized out>,
     ctxt=<optimized out>, gst=<optimized out>)
     at ../Headers/AppKit/DPSOperators.h:758
#4  -[NSWindow _terminateBackendWindow] (self=<optimized out>, _cmd=0xb7a400f8)
     at NSWindow.m:754
#5  0xb7846070 in -[NSWindow dealloc] (
     self=<error reading variable: Asked for position 0 of stack, stack only has 0 
elements on it.>, _cmd=<optimized out>) at NSWindow.m:815
#6  0xb70dfa70 in -[NSObject release] (
     self=<error reading variable: Unhandled dwarf expression opcode 0x0>,
     _cmd=0xb79dbd00) at NSObject.m:2049
#7  0xb763e8a6 in -[NSCachedImageRep dealloc] (self=0x87ac78c, _cmd=0xb73d4b78)
     at NSCachedImageRep.m:178
#8  0xb70dfa70 in -[NSObject release] (
     self=<error reading variable: Unhandled dwarf expression opcode 0x0>,
     _cmd=0xb79f8cc8) at NSObject.m:2049
#9  0xb76cd274 in -[GSRepData dealloc] (self=<optimized out>, _cmd=0xbfffe5d0)
     at NSImage.m:113
#10 0xb70dfa70 in -[NSObject release] (
     self=<error reading variable: Unhandled dwarf expression opcode 0x0>,
     _cmd=0xb73a18d8) at NSObject.m:2049
#11 0xb6f7a3c1 in -[GSArray dealloc] (
     self=<error reading variable: Unhandled dwarf expression opcode 0x0>,
     _cmd=0xbfffe620) at GSArray.m:136
#12 0xb70dfa70 in -[NSObject release] (
     self=<error reading variable: Unhandled dwarf expression opcode 0x0>,
     _cmd=0xb79f8cc8) at NSObject.m:2049
#13 0xb76ce87c in -[NSImage dealloc] (self=<optimized out>, _cmd=0xbfffe680)
     at NSImage.m:409
#14 0xb70dfa70 in -[NSObject release] (
     self=<error reading variable: Unhandled dwarf expression opcode 0x0>,
     _cmd=0xb79dd618) at NSObject.m:2049
#15 0xb7642c26 in -[NSCell setImage:] (
     self=<error reading variable: DWARF-2 expression error: `DW_OP_regx' operations 
must be used either alone or in conjunction with DW_OP_piece or DW_OP_bit_piece.>, 
_cmd=<optimized out>,
     anImage=<error reading variable: DWARF-2 expression error: DW_OP_reg 
operations must be used either alone or in conjunction with DW_OP_piece or 
DW_OP_bit_piece.>) at NSCell.m:1210
#16 0xb75ebdf3 in -[NSAppIconView setImage:] (
     self=<error reading variable: Unhandled dwarf expression opcode 0xc0>,
     _cmd=0xb79d0ac0, anImage=0x8f1d46c) at NSApplication.m:717
#17 0xb75f328a in -[NSApplication setApplicationIconImage:] (
     self=<error reading variable: Unhandled dwarf expression opcode 0xbb>,
     _cmd=0xb7a67cc0, anImage=<optimized out>) at NSApplication.m:2360
#18 0xb790404e in +[GSGormLoader initialize] (self=<optimized out>,
     _cmd=0x811ede0) at GSGormLoader.m:80
#19 0xb6cc8025 in objc_send_initialize (
     object=<error reading variable: Unhandled dwarf expression opcode 0x0>)
     at dtable.c:733
#20 0xb6cd0950 in objc_msg_lookup_internal (receiver=<optimized out>,
     selector=<optimized out>, sender=<optimized out>) at sendmsg2.c:67
#21 objc_msg_lookup_sender (receiver=<optimized out>,
     selector=<optimized out>, sender=<optimized out>) at sendmsg2.c:148
#22 0xb7ef201b in -[ETModelDescriptionRepository 
addUnresolvedEntityDescriptionForClass:] (self=0x87fd49c, _cmd=0xb7f2f4e8, 
aClass=0xb7a67c40)
     at Source/ETModelDescriptionRepository.m:50
#23 0xb7ef2416 in -[ETModelDescriptionRepository 
collectEntityDescriptionsFromClass:excludedClasses:resolveNow:] (
     self=<error reading variable: Unhandled dwarf expression opcode 0xc5>,
     _cmd=0xb7f2f548, aClass=0xb73d48b0, excludedClasses=<optimized out>,
     resolve=<optimized out>) at Source/ETModelDescriptionRepository.m:66
#24 0xb7ef2601 in +[ETModelDescriptionRepository mainRepository] (
---Type<return>  to continue, or q<return>  to quit---
     self=<optimized out>, _cmd=0xb66d15d8)
     at Source/ETModelDescriptionRepository.m:81
#25 0xb666ddb4 in -[COObject 
commonInitWithUUID:entityDescription:rootObject:context:isFault:] (
     self=<error reading variable: Unhandled dwarf expression opcode 0xa9>,
     _cmd=<optimized out>, aUUID=<optimized out>,
     anEntityDescription=<optimized out>, aRootObject=<optimized out>,
     aContext=<optimized out>, isFault=<optimized out>) at COObject.m:144
[snip]
#32 0xb7c8fd43 in -[ETApplication setUp] (self=0x85e1a24, _cmd=0xb7e343b0)
     at ETApplication.m:160
#33 0xb7c98677 in ETApplicationMain (argc=1, argv=0xbfffefb4)
     at ETApplication.m:1121
#34 0xb69e84d3 in __libc_start_main (main=0x805a040<main>, argc=1,
     ubp_av=0xbfffefb4, init=0x80976b0<__libc_csu_init>,
     fini=0x8097720<__libc_csu_fini>, rtld_fini=0xb7fed270<_dl_fini>,
     stack_end=0xbfffefac) at libc-start.c:226
#35 0x08059fa9 in _start ()


Unless CoreObject or EtoileUI corrupts the memory, this could be a GNUstep Gui 
problem. Possibly with the the App Icon Window.



One small correction, this isn't the app icon making trouble. It is the 
window used for image caching. But this is all I can contribute to this 
issue, I have never seen a problem in this area before.


Fred

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