Mail Archives: cygwin/2003/03/23/06:40:39
Ok, sorry if I shell out two messages here, but I think I may have not
done things right when I went to verify my initial email address for my
first post. I posted hours ago, and it has yet to show up.
Anyway, add me to the list of people having this particular problem.
Unforunately, I have no clue what to do about it either, but I just
wanted it to be noted that more than two people are having this issue.
I am running Win XP, and all of the problems you have specified are also
present on my machine exactly as you wrote.
Mike Bresnahan wrote:
> I'm having troubles getting dumper.exe to work. I always get a zero-length
> core file. I have the lastest stuff as of tonight, I have read the FAQ and
> the man page, and I have searched the mailing list archive. Any help would
> be greatly apprieciated.
>
> I am using:
> Windows 2000 SP3
> Cygwin 1.3.21
>
> My CYGWIN environment variable is set thusly:
>
> ~/crash: echo $CYGWIN
> nontsec error_start=C:\cygwin\bin\dumper.exe
>
> I don't have core file sizes limited:
>
> ~/crash: ulimit -a
> core file size (blocks, -c) unlimited
> data seg size (kbytes, -d) unlimited
> file size (blocks, -f) unlimited
> open files (-n) 256
> pipe size (512 bytes, -p) 8
> stack size (kbytes, -s) 2047
> cpu time (seconds, -t) unlimited
> max user processes (-u) 63
> virtual memory (kbytes, -v) 2097152
>
> I have the following test program:
>
> ~/crash: cat crash.c
> int main( int argc, char *argv[]) {
> char *c = 0;
> c[0] = 6;
> }
>
> Which I compile like this:
>
> ~/crash: gcc -g crash.c
>
> When I execute my test program I get the following output:
>
> ~/crash: ./a.exe
> 5 [main] a 1944 handle_exceptions: Error while dumping state (probably
> corrupted stack)
> Segmentation fault (core dumped)
>
> I also get a seperate cmd.exe window with the following contents:
>
> 18653 [main] dumper 1716 handle_exceptions: Exception:
> STATUS_ACCESS_VIOLATION
>
> 19168 [main] dumper 1716 open_stackdumpfile: Dumping stack trace to
> dumper.exe.stackdump
>
> And I get the following files:
>
> ~/crash: ls -l
> total 23
> 21 -rwxr-xr-x 1 Administ None 20655 Mar 14 22:04 a.exe*
> 0 -rw-r--r-- 1 Administ None 0 Mar 14 22:04 a.exe.core
> 1 -rw-r--r-- 1 Administ None 69 Mar 2 11:34 crash.c
> 1 -rw-r--r-- 1 Administ None 298 Mar 14 22:04
> dumper.exe.stackdump
>
> For good measure I have attached the output of cygcheck -s -v -r.
>
> As a final note, before upgrading to the latest stuff, I was getting no core
> file at all nor a cmd.exe window.
>
> Mike
>
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