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RE: CreateFileMapping, create global objects, and multiple users

At 04:39 PM 12/15/2003 -0800, Benn Schreiber wrote:
>Thanks for the feedback. One of the users is the administrator. The
>other is not in the admin group, but has the 'create global object'
>right per a note I saw from Corinna.
>The snapshot I installed is from 12/1, should this be recent enough?


There has been another significant change on 12/2. Could you try the
latest snapshot? It's stable enough.

>It does not appear to depend on the order. Both the root (administrator)
>and user login are via terminal services. I just tried it with
>administrator logged in locally, as well as through TS, and it still
>occurs. I also noticed (one time only) that tcsh (my default shell) goes
>compute bound. I tried it with bash, and the rxvt window seems to
>more-or-less self-destruct on its own (ie I don't even get the
>opportunity to close just goes away as soon as I touch it).

So at the time the second login takes place, the first one freezes,
even when both are the administrator? 

>The times when the window is hung, I cannot type anything into the
>window. The only thing I can do is close it.
>Thanks for your thoughts...any additional ideas would be appreciated.

Assuming it keeps occuring with the snapshot, try starting under strace
(from the Terminal Services console) the rxvt that goes away:

strace -o trace.txt rxvt -d :0 -e bash
and send me trace.txt as an attachment.
Do as little as possible in bash (no --login) to keep the trace
size reasonable. Is there a stack dump in the current directory?


>-----Original Message-----
>From: Pierre A. Humblet [] 
>Sent: Monday, December 15, 2003 4:15 PM
>To: Benn Schreiber;
>Subject: Re: CreateFileMapping, create global objects, and multiple
>At 11:33 AM 12/15/2003 -0800, Benn Schreiber wrote:
>>I'm running Win2003 server and found an interesting anomaly with the
>>global objects' right workaround. I have it enabled for administrator
>>(obviously), and my account. When I am logged into both admin and my
>>account, and both create rxvt windows, the first one created gets hung,
>When? Does it depend of the order? Are you in the administrators group?
>Do you both login over terminal services or is one of you at the
>> and doing anything to it results in the window disappearing.
>So it's not really hung... What do you mean exactly?
>>Is there a naming conflict or something, such that there can only be
>>Cygwin user on a Win2003 server?
>Obviously there is "something", but it shouldn't be there.
>There have been lots of changes to that part of Cygwin.
>Could you try with a recent snapshot and report again?

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