[Libreoffice-qa] minutes of ESC call ...

Markus Mohrhard markus.mohrhard at googlemail.com
Thu Mar 28 17:53:21 UTC 2019

Hey Michael, all,

On Fri, Mar 29, 2019 at 12:44 AM Michael Meeks <michael.meeks at collabora.com>

> Hi Markus,
> On 28/03/2019 16:13, Markus Mohrhard wrote:
> > so in general the fastest way to get some feedback might be to ping me
> > directly and give me some time to look into such issues. While I still
> > have quite bad internet and can't do any uploads of symbol information I
> > can still at least quickly inspect the problem.
>         That would be wonderful ! =)

This one was caused by a missing symbol extraction after symbol upload. I
could not find any reason in the log files that explains why the upload of
the symbols would succeed but the unziping of the uploaded file would fail.
As a result the symbol information for most of our own symbols were missing.

After a manual extraction I can see at least most of the libmerged symbols
being resolved when I call minidump_stackwalk manually on the server.
However, the mentioned symbol information issue still remains and in some
cases where the top level stack frame is in a system library we still miss
some resolved stack frames.


> > One general problem that we have is that we have no recent windows debug
> > symbol information. I tried to move that service from my local machine
> > to the server during the Munich hackfest but did not manage to replicate
> > my setup well enough that valid symbol information are generated. Sadly
> > this has some knock-on effects as can be seen by some of the unresolved
> > crash reports. At least on Windows getting a backtrace requires that
> > enough of the stack pointers can be guessed from the dumped stack. This
> > relies to some to degree on the system symbol informations.
>         Interesting.
> > As soon as I have a non-mobile internet connection again I'll either run
> > a full set of system symbol download on my machine or finish the work on
> > moving that service to the server.
>         Much appreciated ! our top crasher is (obviously) the one without
> any
> symbol information that lurks in libmerged currently ;-)
>         Regards,
>                 Michael.
> --
> michael.meeks at collabora.com <><, GM Collabora Productivity
> Hangout: mejmeeks at gmail.com, Skype: mmeeks
> (M) +44 7795 666 147 - timezone usually UK / Europe
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