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Re: Debugging snapshot of setup.exe


On Wed, 16 Apr 2003, Max Bowsher wrote:

> Igor Pechtchanski wrote:
> > On 16 Apr 2003, Robert Collins wrote:
> >
> >> On Wed, 2003-04-16 at 18:59, Max Bowsher wrote:
> >>> Igor Pechtchanski wrote:
> >>>> Would it be a good idea to have a debugging snapshot of setup.exe
> >>>> available somewhere, just so people who report problems can be
> >>>> directed to try it out, and if the problem is reproducible with it,
> >>>> use gdb and provide stack backtraces?  We probably won't need a
> >>>> HEAD snapshot, just the release one.  What do people think?
> >>>
> >>> It would only be useful when troubleshooting a crash, wouldn't it?
> >>> If so, we can just put up debugging snapshots when a tricky crash
> >>> surfaces, rather than all the time.
> >>
> >> ACK.
> >> Rob
> >
> > Ok, then, can we provide one now?  Someone reported a hang (see
> > <http://cygwin.com/ml/cygwin/2003-04/msg01446.html>), it'd be interesting
> > to see what the backtrace looks like.
>
> And someone reported setup dereferencing a null pointer, as well.
>
> But, how do you get a backtrace from a hang (rather than a crash)?

Why, by attaching to the hung process with gdb, of course. :-)

> Anyway, uploading.
> Max.

Thanks,
	Igor
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