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Re: error running cygcheck 1.32
- From: Igor Pechtchanski <pechtcha at cs dot nyu dot edu>
- To: Kevin Van Workum <vanw at nist dot gov>
- Cc: cygwin at cygwin dot com
- Date: Tue, 8 Jul 2003 13:11:02 -0400 (EDT)
- Subject: Re: error running cygcheck 1.32
- Reply-to: cygwin at cygwin dot com
On Tue, 8 Jul 2003, Kevin Van Workum wrote:
> On Tue, 8 Jul 2003, Igor Pechtchanski wrote:
> > On Tue, 8 Jul 2003, Kevin Van Workum wrote:
> > > On Tue, 8 Jul 2003, Igor Pechtchanski wrote:
> > > > On Tue, 8 Jul 2003, Kevin Van Workum wrote:
> > > >
> > > > > I have cygcheck version 1.32. If I run cygcheck -s, a window titled
> > > > > "Program Error" pops up. The window says "cygcheck.exe has generated
> > > > > errors and will be closed by Windows. You will need to restart the
> > > > > program. An error log is being created." cygcheck stops printing
> > > > > information after the PATH is printed. The output is below.
> > > > >
> > > > > What causes this problem?
> > > > > How can I fix it?
> > > > > Where is this error log created?
> > > > >
> > > > > <<begin cygcheck output>>
> > > > >[snip]
> > > >
> > > > Kevin,
> > > >
> > > > After printing the PATH, the later versions of cygcheck attempt to execute
> > > > "id.exe" to get user information. For some reason this fails for you.
> > > > Can you try executing "id" and "CYGWIN=nontsec id" on the command line and
> > > > posting the output? Try also running "cygcheck -s" under strace and
> > > > seeing what is the last system call cygcheck makes before it fails.
> > > > Igor
> > >
> > > Running "id" prints:
> > > uid=1003(vanw) gid=513(None) groups=513(None),544(Administrators),545(Users)
> > >
> > > Running "CYGWIN=nontsec id" prints:
> > > uid=1003(vanw) gid=513(None) groups=513(None)
> > Well, this shows that you can run "id" with no crashes...
> > > I'm not sure what to look for in the strace output. Below is the
> > > last few lines and attached is the entire output of "strace cygcheck -s".
> > > [snip]
> > > Kevin Van Workum, PhD
> > The included strace lines look like a normal termination sequence...
> > However, the strace output you've attached says
> > Program name: c:\cygwin\bin\id.exe (2476)
> > at the top, which means you ran "id", not "cygcheck -s" under strace.
> > The idea was to try to get "cygcheck -s" to crash under strace, and see
> > what the last action before the crash would be.
> Yeah, I noticed that too, but I really did run "strace /usr/bin/cygcheck
Oops, I'm sorry, my bad. Cygcheck is not a Cygwin program, so it won't
show up under strace... So, what this tells us is that cygcheck runs just
fine under strace.
> > Could you also run "cygcheck -s" under gdb and see if it crashes? If it
> > does, try to get a backtrace.
> > Igor
> After running "cygcheck -s" under gdb, it exited normally. I then realized
> that the problem is with my terminal under X. Running "cygcheck
> -s" from a non-X terminal works (rxvt). Does that sound plausible? Maybe
> there's a problem with X?
> Anyways, thanks for the help.
Hmm... Could you try running cygcheck from an rxvt in X mode (just set
DISPLAY before running rxvt), just to keep as many things fixed as
possible? If that produces a problem, we know there's something wrong
with X. If not, what terminal do you use? What's your X server? FWIW, I
run cygcheck from xterms under Exceed with not problems.
My first suspect would be the console allocation code (cygcheck will not
understand Cygwin ptys and will try to allocate a new console window when
running from X, but that should also happen in rxvt). That's been
modified recently, IIRC, so it would help if you actually attached the
full output of "cygcheck -svr", so that we know at least which version of
the Cygwin DLL you have.
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