[postgis-tickets] [PostGIS] #2449: infinite loop around gserialized_gist_picksplit_2d

PostGIS trac at osgeo.org
Sun Aug 25 21:03:23 PDT 2013


#2449: infinite loop around gserialized_gist_picksplit_2d
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 Reporter:  j3d      |       Owner:  pramsey
     Type:  defect   |      Status:  new    
 Priority:  medium   |   Milestone:         
Component:  postgis  |     Version:  trunk  
 Keywords:           |  
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 it's the second time I came around this issue where the osm2pgsql import
 hang for a few hours so I tried to figure out whats goind on: perf showed
 that all usage where in gserialized_gist_picksplit_2d.
 gdb showed that leftUpper is NaN. I would guess having a bbox with invalid
 coordinates might cause the issue:

 g_box_consider_split (maxLeftCount=150, leftUpper=nan(0x62fb00),
 minLeftCount=<optimized out>, rightLower=7175427, dimNum=1,
 context=0x7fffb07e8d80)

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2449>
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