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Subject:	Re: cygwin1-20040213 hoses emacs 'desktop'
From:	Thomas L Roche <tlroche AT us DOT ibm DOT com>
Message-ID:	<OFF015E81C.54BBB8A6-ON85256E3A.000062F6-85256E3A.0002882A@us.ibm.com>
Date:	Fri, 13 Feb 2004 19:27:38 -0500

Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu> 02/13/2004 06:58:42 PM:
> Wow, this is turning into a one-on-one dialog here... :-)

Well, 

* IIRC no one else (on this list) has helped

* I coulda been debugging this at least a week ago if anyone had
  done howto's for debugging cygwin

but thanks for your assistance!

On Fri, 13 Feb 2004, Thomas L Roche wrote:
>> After installing

>> http://cygwin.com/snapshots/cygwin1-20040213.dll.bz2

>> and running

>> emacs --debug-init &

>> from an xterm, I am unable to open files using 'desktop' at startup.
>> On first desktop load, Emacs reports

>> Debugger entered--Lisp error: (file-error "Doing vfork" "resource
>> temporarily unavailable")
>>   call-process("/bin/sh" nil t nil "-c" "\\ls -d -al -- createWRF*.*")

<snip>

>> and the xterm reports

>> bash-2.05b$ emacs --debug-init &
>> [1] 1920
>> bash-2.05b$       7 [main] emacs 1920 sync_with_child: child 
>>   1152(0x270) died before initialization with status code 0x80
>>   13072 [main] emacs 1920 sync_with_child: *** child state waiting
>      for longjmp

>> This error repeats on every emacs startup. I have not observed this
>> error on 1.5.7-1.

> The above messages might indicate that there is more than one version
> of the cygwin DLL on your system.  Instead of moving the old 
> cygwin1.dll out of the way, could you please rename it to something
> that doesn't end in .dll (e.g., cygwin1.dll-old), and, just to make
> sure, make it non-executable?

Will do ... as soon as gdb quits running 'unzip' with 20040213.
Hopefully _that_ will work ... 

> Also, there should be another message before the sync_with_child one
> that may show the cause of the problem.  You might try running 
> strace on the emacs invocation, 

OK, except (yet another confession of inadequacy) I have not used
strace before. <read UG/> I should invoke it like

strace -o d:\temp\strace.out emacs --debug-info &

?

> look for the above error lines in the output, and see what line
> precedes them, something like

> C:\cygwin\bin\bash.exe: *** Couldn't allocate space for child's heap
> 0x0, size 302120960, Win32 error 1455

> Once you find it, please post just that line to this list.

Will do. AARRGGHH! unzip just died ...


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