[QGIS-trac] [Quantum GIS] #3419: QGIS hangs on WMS layer without network

[Quantum GIS]

#3419: QGIS hangs on WMS layer without network
------------------------------------------------+---------------------------
   Reporter:  marisn                            |              Owner:  mhugent      
       Type:  bug                               |             Status:  new          
   Priority:  major: does not work as expected  |          Milestone:  Version 1.7.0
  Component:  WMS+WFS                           |            Version:  Trunk        
   Keywords:                                    |   Platform_version:               
   Platform:  Gentoo                            |           Must_fix:  No           
Status_info:  0                                 |  
------------------------------------------------+---------------------------
 Steps to reproduce:
  * Add a WMS layer;
  * Disconnect network;
  * Zoom/Pan map canvas.

 QGIS get's stuck. It's impossible to cancel redraw - only kill QGIS.

 QGIS r15051M Qt 4.7.1

 strace is spilling nonstop:
 {{{
 poll([{fd=3, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN},
 {fd=7, events=POLLIN}, {fd=10, events=POLLIN}], 5, 0) = 0 (Timeout)
 read(7, 0x1a06374, 4096)                = -1 EAGAIN (Resource temporarily
 unavailable)
 read(7, 0x1a06374, 4096)                = -1 EAGAIN (Resource temporarily
 unavailable)
 poll([{fd=3, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN},
 {fd=7, events=POLLIN}, {fd=10, events=POLLIN}], 5, 0) = 0 (Timeout)
 read(7, 0x1a06374, 4096)                = -1 EAGAIN (Resource temporarily
 unavailable)
 read(7, 0x1a06374, 4096)                = -1 EAGAIN (Resource temporarily
 unavailable)
 poll([{fd=3, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN},
 {fd=7, events=POLLIN}, {fd=10, events=POLLIN}], 5, 0) = 0 (Timeout)
 read(7, 0x1a06374, 4096)                = -1 EAGAIN (Resource temporarily
 unavailable)
 read(7, 0x1a06374, 4096)                = -1 EAGAIN (Resource temporarily
 unavailable)
 }}}

-- 
Ticket URL: <http://trac.osgeo.org/qgis/ticket/3419>
Quantum GIS <http://qgis.org>
Quantum GIS is an Open Source GIS viewer/editor supporting OGR, PostGIS, and GRASS formats