Embedded Linux seg fault on blendcolor

 

Hello,

I am using Qt 4.6.3. My target is an Atmel AT91SAM9263. Occasionally, and seemingly random, I get a seg fault with the following backtrace:

#0 0×0019e428 in void blendColor<qrgb555>(int, QT_FT_Span_ const*, void*) ()
#1 0×00167dd8 in qt_span_fill_clipped(int, QT_FT_Span_ const*, void*) ()
#2 0×00169f1c in fillRect_normalized(QRect const&, QSpanData*, QRasterPaintEnginePrivate*) ()

Going to v4.7.4 did not help. My app is not doing any special graphics, just progress bars, tablewidgets, listwidgets, etc. I do not have much low-level graphics experience, so I am not sure where to go from here.

Any suggestions are appreciated. Thanks!