Re: [dev] [st] Segmentation fault when clicking the top of window

From: Carlos Torres <vlaadbrain_AT_gmail.com>
Date: Tue, 26 Mar 2013 17:48:48 -0400

addresses for expression values are not that useful, the value of
what they point to is what i would look for if i saw a troublesome
address. I haven't looked at the brelease function signature, but if
you know it, that would be useful when looking at the expressions.
in fact i'm not sure what the expressions are. and what the meaning
of an empty one is. they look like vars in scope. can you include
registers? those help too sometimes. would a different format help?
something less verbose and parsable like (fear i say) JSON. i get you
intend to parse this somehow. but JSON is a little better than XML
and less cluttered.

where is this tool you're working on? can i looksee?

On Tue, Mar 26, 2013 at 5:27 PM, Markus Teich
<markus.teich_AT_stusta.mhn.de> wrote:
> Heyho,
>
> Thanks! I managed to reproduce this bug in a VM on OpenBSD 5.2.
> The difficult part was to get my debugging system to work on OpenBSD,
> but i figured it out and finally got a report (see attachement).
>
> If you have any ideas of how to improve the reports, please tell me.
>
> --Markus
>
>
> Am 24.03.2013 18:55, schrieb Anthony J. Bentley:
>> Markus Teich writes:
>>> Since i am currently working on a debugging tool, i would very much
>>> like to reproduce this bug.
>>
>> I can reproduce this on OpenBSD -current with st-0.3.
>>
>> $ ldd `which st`
>> /usr/local/bin/st:
>> Start End Type Open Ref GrpRef Name
>> 0000156e5c600000 0000156e5ca0f000 exe 1 0 0 /usr/local/bin/st
>> 0000157068525000 0000157068a56000 rlib 0 4 0 /usr/X11R6/lib/libX11.so.15.1
>> 000015705d6ca000 000015705dad5000 rlib 0 1 0 /usr/lib/libutil.so.11.4
>> 000015705e2d6000 000015705e6e7000 rlib 0 1 0 /usr/X11R6/lib/libXext.so.12.0
>> 000015705dad5000 000015705dee8000 rlib 0 1 0 /usr/X11R6/lib/libXft.so.8.0
>> 000015705ff6c000 00001570603af000 rlib 0 2 0 /usr/X11R6/lib/libfontconfig.so.8.0
>> 000015706ab84000 000015706b06c000 rlib 0 1 0 /usr/lib/libc.so.66.2
>> 000015705ec3d000 000015705f05b000 rlib 0 4 0 /usr/X11R6/lib/libxcb.so.2.4
>> 0000157069adf000 0000157069f03000 rlib 0 2 0 /usr/lib/libexpat.so.10.0
>> 0000157069655000 0000157069adf000 rlib 0 2 0 /usr/X11R6/lib/libfreetype.so.19.0
>> 000015705d1b6000 000015705d5cb000 rlib 0 2 0 /usr/lib/libz.so.4.1
>> 0000157062dbb000 00001570631c4000 rlib 0 1 0 /usr/X11R6/lib/libXrender.so.5.0
>> 0000157068a56000 0000157068e58000 rlib 0 2 0 /usr/X11R6/lib/libpthread-stubs.so.1.0
>> 0000157067ed6000 00001570682d9000 rlib 0 1 0 /usr/X11R6/lib/libXau.so.9.0
>> 00001570631c4000 00001570635c9000 rlib 0 1 0 /usr/X11R6/lib/libXdmcp.so.10.0
>> 000015706a600000 000015706a600000 rtld 0 1 0 /usr/libexec/ld.so
>>
>> full backtrace attached.
>>
Received on Tue Mar 26 2013 - 22:48:48 CET

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