Mail Archives: cygwin/2007/04/08/10:46:19
On Sun, 8 Apr 2007, Greg Chicares wrote:
> I've run setup.exe numerous times this morning, and it segfaulted
> only once. I tried again, but couldn't reproduce the problem.
>
> I was trying to roll back mingw-runtime to the prior version, with
> the "download without installing" option IIRC. Not anticipating a
> crash, I didn't write down each event, but it said something like
> "install failed", then took me back to the mirror-selection screen;
> I picked the same mirror I had been using; and that's when my just-
> in-time debugger popped up, giving the attached report.
>
> Searching the archives for similar reports, I gather that the
> backtrace is what might help. I didn't prune the rest of the report,
> just in case that's useful. I assume a 'cygcheck.out' isn't wanted,
> but please tell me if I guessed wrong. This copy of setup.exe was
> downloaded on 2007-03-11:
>
> /home/chicares[0]$ls -o /cygdrive/c/cygwin-cache/setup.exe
> -rwx------+ 1 chicares 304128 Mar 11 01:58 /cygdrive/c/cygwin-cache/setup.exe
> /home/chicares[0]$md5sum /cygdrive/c/cygwin-cache/setup.exe
> b31ddcef84f25919a5d3184167b4a90d */cygdrive/c/cygwin-cache/setup.exe
It doesn't look like you're running the latest snapshot of setup -- please
try that (from <http://cygwin.com/setup/snapshots/>).
> I guess it's stripped:
>
> /home/chicares[0]$addr2line -e /cygdrive/c/cygwin-cache/setup.exe 0026d86a
> ??:0
Well, yes, but even if it weren't, 0026d86a is outside of the address
space of the application (my guess is somewhere within the kernel). The
next addresses are more informative if you have the unstripped version,
though. I suspect some string manipulation routine, just from the general
address range.
If you can reproduce the crash with the latest snapshot, we could get a
more accurate diagnosis with addr2line.
Igor
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