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Re: Error: couldn't make stderr distinct from stdout

On Tue, Nov 07, 2000 at 12:23:10PM -0800, Georges, Chris wrote:
>> From: Larry Hall (RFK Partners Inc) []
>> Sent: Tuesday, November 07, 2000 10:26 AM
>> To: Georges, Chris; ''
>> Subject: Re: Error: couldn't make stderr distinct from stdout
>> At 01:30 AM 11/7/2000, Georges, Chris wrote:
>>>I just upgraded my cygwin installation from 1.0 to the latest cygwin
>>>DLLs (cygwin-1.1.5-4) and now almost every utililty (ls,cat,etc) prints
>>>out "couldn't make stderr distinct from stdout" when it starts.  tcsh
>>>prints the error and exits.  I backed out to cygwin-1.1.4 and got the
>>>same problem.  I am running all of these apps remotely in a telnet
>>>window connected a windows 2000 telnet server (the default one that
>>>comes with win2k) on a remote machine, this worked fine until I
>>>upgraded cygwin.  The apps appear to run OK when run in a normal window
>>>on the local machine.
>>A cygcheck -s -r -v may be helpful.  My guess is you have a mixture of
>>1.0 and 1.1.x stuff that's causing you troubles, but that's purely a
>>guess.  The results of cygcheck should help you determine this.
>I think the problem is in cygwin1.dll, which is printing out that
>message in stdio_init() in source file "winsup\cygwin\".  It's
>calling DuplicateHandle() which apparently fails, and somehow the error
>causes everything to exit.  I couldnt find a corresponding function in
>the source for cygwin 1.0.  I backed out to the cygwin 1.0 version of
>cygwin1.dll and the message went away.

The *fact* that an error is being printed is not indicative of an error
in cygwin1.dll.  The same code is in 1.0 and 1.1.x.  Larry's suggestion
of running 'cygcheck -s -r -v' was the best way to debug your problem.


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