[mapserver-users] Need help testing WMS segfault
Roger André
randre at gmail.com
Sat Jan 30 20:28:05 EST 2010
Done. Opened Ticket #3280.
Thanks for the help.
--
On Fri, Jan 29, 2010 at 5:37 PM, Paul Ramsey <pramsey at opengeo.org> wrote:
> Right here:
> http://www.osgeo.org/osgeo_userid
>
> On 2010-01-29, at 5:09 PM, Roger André wrote:
>
> It appears I need an OsGeo login with "TICKET_CREATE privileges". How do I
> get one of those?
> --
>
> On Fri, Jan 29, 2010 at 5:04 PM, Roger André <randre at gmail.com> wrote:
>
>> <sigh> I'm an idiot. Total size is much smaller.
>> 72K agg_wms_segfault.tar.gz
>>
>> Paul, you'll appreciate this. The file is much smaller when you do this:
>>
>> $ ogr2ogr parcel_clip.shp PG:"host=localhost dbname=foo" \
>> -sql "SELECT
>> parcel_id,
>> import_exp,
>> external_i,
>> ST_Intersection('SRID=4326;POLYGON((-122.339256836
>> 47.6576914062,
>>
>> -122.331763672 47.6576914062,
>>
>> -122.331763672 47.6651845703,
>>
>> -122.339256836 47.6651845703,
>>
>> -122.339256836 47.6576914062))', the_geom)
>> FROM parcel
>> WHERE 'SRID=4326;POLYGON((-122.339256836 47.6576914062,
>> -122.331763672
>> 47.6576914062,
>> -122.331763672
>> 47.6651845703,
>> -122.339256836
>> 47.6651845703,
>> -122.339256836
>> 47.6576914062))'
>> && the_geom" \
>> -nlt POLYGON
>>
>> instead of just:
>>
>> $ ogr2ogr parcel_clip.shp PG:"host=localhost dbname=foo" \
>> -sql "SELECT
>> parcel_id,
>> import_exp,
>> external_i,
>> ST_Intersection('SRID=4326;POLYGON((-122.339256836
>> 47.6576914062,
>>
>> -122.331763672 47.6576914062,
>>
>> -122.331763672 47.6651845703,
>>
>> -122.339256836 47.6651845703,
>>
>> -122.339256836 47.6576914062))', the_geom)
>> FROM parcel"
>> -nlt POLYGON
>>
>> I'll file the bug now.
>>
>> Roger
>> --
>>
>>
>>
>>
>> On Fri, Jan 29, 2010 at 4:42 PM, Paul Ramsey <pramsey at opengeo.org> wrote:
>>
>>> File bug in trac
>>>
>>> http://trac.osgeo.org/mapserver
>>>
>>> With a 5mb attachement, you might need to separately upload it somewhere
>>> and post a URL, not sure what the attachment max size is for osgeo trac.
>>>
>>> P
>>>
>>> On 2010-01-29, at 4:40 PM, Roger André wrote:
>>>
>>> Alright, I've clipped the data sets down to areas just slightly larger
>>> than the WMS bbox, cleaned up the map file, and replicated the WMS to make
>>> sure that it still breaks. The tgz file that contains the mapfile and 2
>>> shapefiles is just under 5 MB. Where should I file the bug, and can I
>>> attach the data to the bug?
>>>
>>> Thanks,
>>>
>>> Roger
>>> --
>>>
>>>
>>>
>>> On Fri, Jan 29, 2010 at 2:57 PM, Roger André <randre at gmail.com> wrote:
>>>
>>>> Hi Paul,
>>>>
>>>> Ok. I'll see if I can replicate the problem with a single data layer,
>>>> and will then package everything together so another developer can run it.
>>>>
>>>> Thanks,
>>>>
>>>> Roger
>>>> --
>>>>
>>>>
>>>> On Fri, Jan 29, 2010 at 2:16 PM, Paul Ramsey <pramsey at opengeo.org>wrote:
>>>>
>>>>> Lovely, Another AGG bug. Well the next thing is to package up your
>>>>> environment so a developer can duplicate the problem on their rig. Figure
>>>>> out which layer it is, so you only have to pack that data up. Since the
>>>>> issue is arising in AGG, flag the ticket to the AGG module. When you pack up
>>>>> your map file, remember to also pack up or strip out things like templates,
>>>>> font libraries, symbol libraries, etc. Ideally, copy the whole mess to a new
>>>>> path on your system ensure it does in fact run independently of the rest of
>>>>> your installation.
>>>>>
>>>>> Best,
>>>>>
>>>>> Paul
>>>>>
>>>>> On 2010-01-29, at 2:11 PM, Roger André wrote:
>>>>>
>>>>> Hi Paul,
>>>>>
>>>>> Thanks for the advice. (Chris Schmidt suggested I do the same thing in
>>>>> IRC yesterday, and I forgot to try it.)
>>>>>
>>>>> Below are the results of gdb. It's fun to run, but uhm... not
>>>>> something I'm readily able to decipher (yet).
>>>>>
>>>>> $ gdb /usr/lib/cgi-bin/mapserv
>>>>> GNU gdb (GDB) 7.0-ubuntu
>>>>> Copyright (C) 2009 Free Software Foundation, Inc.
>>>>> License GPLv3+: GNU GPL version 3 or later <
>>>>> http://gnu.org/licenses/gpl.html>
>>>>> This is free software: you are free to change and redistribute it.
>>>>> There is NO WARRANTY, to the extent permitted by law. Type "show
>>>>> copying"
>>>>> and "show warranty" for details.
>>>>> This GDB was configured as "i486-linux-gnu".
>>>>> For bug reporting instructions, please see:
>>>>> <http://www.gnu.org/software/gdb/bugs/>...
>>>>> Reading symbols from /usr/lib/cgi-bin/mapserv...done.
>>>>> (gdb) run
>>>>> "QUERY_STRING=map=/var/www/mapfiles/seattle.map&layers=roads&styles=&service=WMS&width=256&format=image/png&request=GetMap&height=256&srs=EPSG:4326&version=1.1.1&bbox=-122.338256836,47.6586914062,-122.332763672,47.6641845703"
>>>>> Starting program: /usr/lib/cgi-bin/mapserv
>>>>> "QUERY_STRING=map=/var/www/mapfiles/seattle.map&layers=roads&styles=&service=WMS&width=256&format=image/png&request=GetMap&height=256&srs=EPSG:4326&version=1.1.1&bbox=-122.338256836,47.6586914062,-122.332763672,47.6641845703"
>>>>> [Thread debugging using libthread_db enabled]
>>>>>
>>>>> Program received signal SIGSEGV, Segmentation fault.
>>>>> 0x0740bbf2 in ?? () from /lib/tls/i686/cmov/libc.so.6
>>>>> (gdb) bt
>>>>> #0 0x0740bbf2 in ?? () from /lib/tls/i686/cmov/libc.so.6
>>>>> #1 0x0740d868 in malloc () from /lib/tls/i686/cmov/libc.so.6
>>>>> #2 0x006abbb7 in operator new(unsigned int) () from
>>>>> /usr/lib/libstdc++.so.6
>>>>> #3 0x006abced in operator new[](unsigned int) () from
>>>>> /usr/lib/libstdc++.so.6
>>>>> #4 0x080dbdd5 in void
>>>>> mapserver::render_scanlines<mapserver::rasterizer_scanline_aa<mapserver::rasterizer_sl_clip<mapserver::ras_conv_int>
>>>>> >, mapserver::scanline_u8,
>>>>> mapserver::renderer_scanline_aa_solid<mapserver::renderer_base<mapserver::pixfmt_alpha_blend_rgba<mapserver::blender_rgba_pre<mapserver::rgba8,
>>>>> mapserver::order_bgra>, mapserv_row_ptr_cache<int>, int> > >
>>>>> >(mapserver::rasterizer_scanline_aa<mapserver::rasterizer_sl_clip<mapserver::ras_conv_int>
>>>>> >&, mapserver::scanline_u8&,
>>>>> mapserver::renderer_scanline_aa_solid<mapserver::renderer_base<mapserver::pixfmt_alpha_blend_rgba<mapserver::blender_rgba_pre<mapserver::rgba8,
>>>>> mapserver::order_bgra>, mapserv_row_ptr_cache<int>, int> > >&) ()
>>>>> #5 0x080ba7ac in T.1744 ()
>>>>> #6 0x080bdbda in msDrawShadeSymbolAGG ()
>>>>> #7 0x0813b3d2 in msDrawShadeSymbol ()
>>>>> #8 0x0809ff17 in msDrawShape ()
>>>>> #9 0x080a2cfe in msDrawVectorLayer ()
>>>>> #10 0x080a343d in msDrawLayer ()
>>>>> #11 0x080a4fd7 in msDrawMap ()
>>>>> #12 0x08157d82 in msWMSGetMap ()
>>>>> #13 0x0815cf36 in msWMSDispatch ()
>>>>> #14 0x080e9924 in msOWSDispatch ()
>>>>> #15 0x08056583 in main ()
>>>>> (gdb)
>>>>>
>>>>> Roger
>>>>> --
>>>>>
>>>>> On Fri, Jan 29, 2010 at 1:38 PM, Paul Ramsey <pramsey at opengeo.org>wrote:
>>>>>
>>>>>> Roger,
>>>>>>
>>>>>> It looks like you're on Linux, so pull a stacktrace, it's fun!
>>>>>>
>>>>>> gdb /path/to/mapserv
>>>>>>
>>>>>> ... lots of info ...
>>>>>>
>>>>>> (gdb) run
>>>>>> "QUERY_STRING=map=/var/www/mapfiles/seattle.map&layers=roads&styles=&service=WMS&width=256&format=image/png&request=GetMap&height=256&srs=EPSG:4326&version=1.1.1&bbox=-122.338256836,47.6586914062,-122.332763672,47.6641845703"
>>>>>>
>>>>>> then when you hit to segfault, do
>>>>>>
>>>>>> (gdb) bt
>>>>>>
>>>>>> bt stands for backtrace
>>>>>>
>>>>>> now you'll have a lot more useful information about what went wrong,
>>>>>>
>>>>>> Yours,
>>>>>>
>>>>>> Paul
>>>>>>
>>>>>> On Fri, Jan 29, 2010 at 1:27 PM, Roger André <randre at gmail.com>
>>>>>> wrote:
>>>>>> > Hi All,
>>>>>> >
>>>>>> > I'm experiencing some strange behavior that I would appreciate some
>>>>>> help
>>>>>> > testing. My MapServer 5.6 instance is segfaulting in response to
>>>>>> certain
>>>>>> > WMS requests it is receiving from TileCache. Below is one of the
>>>>>> specific
>>>>>> > requests:
>>>>>> >
>>>>>> >
>>>>>> http://localhost/cgi-bin/mapserv?map=/var/www/mapfiles/seattle.map&layers=roads&styles=&service=WMS&width=256&format=image/png&request=GetMap&height=256&srs=EPSG:4326&version=1.1.1&bbox=-122.338256836,47.6586914062,-122.332763672,47.6641845703
>>>>>> >
>>>>>> > I'd appreciate it if someone who has a layer that covers Seattle
>>>>>> would try
>>>>>> > the bbox extents listed above and report back if it causes an error
>>>>>> for
>>>>>> > them.
>>>>>> >
>>>>>> > FYI - When I set this bbox as the EXTENTS in my MAP, and the SIZE to
>>>>>> 256
>>>>>> > 256, Mapserver delivers the image without any problem.
>>>>>> >
>>>>>> > Thanks,
>>>>>> >
>>>>>> > Roger
>>>>>> >
>>>>>> > _______________________________________________
>>>>>> > mapserver-users mailing list
>>>>>> > mapserver-users at lists.osgeo.org
>>>>>> > http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>>>> >
>>>>>> >
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Paul Ramsey
>>>>> OpenGeo - http://opengeo.org
>>>>> Breath in. Breath out. Ahhh. PostGIS.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>> --
>>> Paul Ramsey
>>> OpenGeo - http://opengeo.org
>>> PostGIS topical ointment. Cures slow maps.
>>>
>>>
>>>
>>>
>>
>
> --
> Paul Ramsey
> OpenGeo - http://opengeo.org
> Food, survival gear, weapons, shelter, PostGIS. Go!
>
>
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