Re: Xcode constantly crashing with Perforce & 10.6.3
Re: Xcode constantly crashing with Perforce & 10.6.3
- Subject: Re: Xcode constantly crashing with Perforce & 10.6.3
- From: Eric Gorr <email@hidden>
- Date: Mon, 12 Apr 2010 12:11:24 -0400
On Apr 12, 2010, at 11:30 AM, Joar Wingfors wrote:
>
> On 12 apr 2010, at 07.56, Eric Gorr wrote:
>
>> Considering the crash involves an unrecognized selector, I figure one may be able to use DTrace to determine what selector Apple is attempting to send which isn't recognized, but I am not sure how to do that or if it is really possible.
>
>
> First off, you should try to remove "Default Folder X", since it loads itself into Xcode, something that isn't really supported...
>
Done. Still crashes.
> If you still see this crash after doing that, I'd recommend that you re-install Xcode from scratch:
>
> 1) sudo /Developer/Library/uninstall-devtools
> 2) sudo rm -r /Developer
> 3) Run the Xcode installer again
>
Done. Still Crashes.
> If you *still* see this crash, the easiest way to get to the crashing selector would probably be to catch it in GDB:
>
> $ gdb
> (gdb) file /Developer/Applications/Xcode.app
> (gdb) break objc_exception_throw
> (gdb) run
Then what?
2010-04-12 12:07:37.079 Xcode[3259:6807] -[NSCFString objectForKey:]: unrecognized selector sent to instance 0x20a065ae0
[Switching to process 3259]
Breakpoint 1, 0x00007fff839260da in objc_exception_throw ()
(gdb) info locals
No symbol table info available.
(gdb) info args
No symbol table info available.
(gdb) bt
#0 0x00007fff839260da in objc_exception_throw ()
#1 0x00007fff8661f160 in -[NSObject(NSObject) doesNotRecognizeSelector:] ()
#2 0x00007fff86597d3f in ___forwarding___ ()
#3 0x00007fff86593e88 in __forwarding_prep_0___ ()
#4 0x0000000106f67ed2 in finish_log_entry ()
#5 0x0000000106f63445 in dummy_laddr ()
#6 0x00000001003725c7 in -[SCMRequest statusOperation] ()
#7 0x0000000100370693 in -[SCMRequest main] ()
#8 0x00007fff836d4081 in -[__NSOperationInternal start] ()
#9 0x00007fff836d3d37 in ____startOperations_block_invoke_2 ()
#10 0x00007fff80b6f610 in _dispatch_call_block_and_release ()
#11 0x00007fff80b4dbb1 in _dispatch_worker_thread2 ()
#12 0x00007fff80b4d4e8 in _pthread_wqthread ()
#13 0x00007fff80b4d385 in start_wqthread ()
(gdb) frame 1
#1 0x00007fff8661f160 in -[NSObject(NSObject) doesNotRecognizeSelector:] ()
(gdb) info locals
No symbol table info available.
(gdb) info args
No symbol table info available.
(gdb) info frame
Stack level 1, frame at 0x101fcdb00:
rip = 0x7fff8661f160 in +[NSObject(NSObject) doesNotRecognizeSelector:]; saved rip 0x7fff86597d3f
called by frame at 0x101fcdb60, caller of frame at 0x101fcdad0
Arglist at 0x101fcdaf8, args:
Locals at 0x101fcdaf8, Previous frame's sp is 0x101fcdb00
Saved registers:
rbx at 0x101fcdad8, rbp at 0x101fcdaf0, r12 at 0x101fcdae0, r13 at 0x101fcdae8, rip at 0x101fcdaf8
Sorry, my skills with GDB are somewhat limited.
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