This bug happened assurely when i zoom about the right bottom corner, or if i move an object in this region with at a high magnification... I hope this bug really fix soon because it is very handicapping... 

Here is the dbg trace:
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[New Thread 0x7fffd49d6700 (LWP 19389)]
[New Thread 0x7fffcbfff700 (LWP 19391)]
[Thread 0x7fffd49d6700 (LWP 19389) exited]
[Thread 0x7fffcbfff700 (LWP 19391) exited]
[New Thread 0x7fffcbfff700 (LWP 21286)]
[Thread 0x7fffcbfff700 (LWP 21286) exited]

Thread 1 "inkscape" received signal SIGSEGV, Segmentation fault.
0x00007fffea5ac773 in ?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
(gdb) bt
#0  0x00007fffea5ac773 in ?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
#1  0x00007fffea5c1e5c in ?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
#2  0x00007fffea57df81 in pixman_image_composite32 () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
#3  0x00007ffff34a4505 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#4  0x00007ffff34d364b in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#5  0x00007ffff34d4a02 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#6  0x00007ffff34dbb4b in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#7  0x00007ffff34dc814 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#8  0x00007ffff34dd0ae in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#9  0x00007ffff34dd3c9 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#10 0x00007ffff3497779 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#11 0x00007ffff34e02b1 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#12 0x00007ffff349f825 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#13 0x00007ffff34920f5 in cairo_paint () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#14 0x00007ffff6f02606 in Inkscape::DrawingImage::_renderItem(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, Inkscape::DrawingItem*) () from /usr/bin/../lib/inkscape/libinkscape_base.so
#15 0x00007ffff6f06368 in Inkscape::DrawingItem::render(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, Inkscape::DrawingItem*) () from /usr/bin/../lib/inkscape/libinkscape_base.so
#16 0x00007ffff6f01bd5 in Inkscape::DrawingGroup::_renderItem(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, Inkscape::DrawingItem*) () from /usr/bin/../lib/inkscape/libinkscape_base.so
#17 0x00007ffff6f06368 in Inkscape::DrawingItem::render(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, Inkscape::DrawingItem*) () from /usr/bin/../lib/inkscape/libinkscape_base.so
#18 0x00007ffff6f01bd5 in Inkscape::DrawingGroup::_renderItem(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, Inkscape::DrawingItem*) () from /usr/bin/../lib/inkscape/libinkscape_base.so
#19 0x00007ffff6f0668c in Inkscape::DrawingItem::render(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, Inkscape::DrawingItem*) () from /usr/bin/../lib/inkscape/libinkscape_base.so
#20 0x00007ffff6f01bd5 in Inkscape::DrawingGroup::_renderItem(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, Inkscape::DrawingItem*) () from /usr/bin/../lib/inkscape/libinkscape_base.so
#21 0x00007ffff6f0668c in Inkscape::DrawingItem::render(Inkscape::DrawingContext&, Geom::GenericRect<int> const&, unsigned int, In---Type <return> to continue, or q <return> to quit---q
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