[mapserver-users] Need help testing WMS segfault
Roger André
randre at gmail.com
Fri Jan 29 20:09:16 EST 2010
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.
>>
>>
>>
>>
>
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