Debug application on n950 device.

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I am trying to find the reason for a segfault on my application (it happens "inside" webkit).

When I try to debug my application on the device using qt creator I get CRC mismatch for every library used by my application, like:

@
the debug information found in "c:/qtsdk/madde/sysroots/harmattan-nokia-meego-arm-sysroot-1134-slim/usr/lib/libpvrPVR2D_DRI2WSEGL_r125.so" does not match "c:/qtsdk/madde/sysroots/harmattan-nokia-meego-arm-sysroot-1134-slim/usr/lib/libpvrPVR2D_DRI2WSEGL.so" (CRC mismatch).
the debug information found in "c:/qtsdk/madde/sysroots/harmattan-nokia-meego-arm-sysroot-1134-slim/usr/lib/libpvr2d_r125.so" does not match "c:/qtsdk/madde/sysroots/harmattan-nokia-meego-arm-sysroot-1134-slim/usr/lib/libpvr2d.so" (CRC mismatch).
@

I assume this prevents the debugger from showing me any trace information when the segfault happen - that is all that I get...

@#0 0x42068924 in QPainter::save() () from /usr/lib/libQtGui.so.4
#1 0x48ec294c in ?? () from /usr/lib/libQtWebKit.so.4
#2 0x48ec294c in ?? () from /usr/lib/libQtWebKit.so.4
@

In fact this what I got running gdb on the device... on qt creator I just got something similar to the first line and the address for the second and third (it didn't even say it was on libqtwebkit).

I assume I need to install the debug version of qt on the device. Right? How? If not, what it is the right approach?

Thanks in advance,
Felipe