[solved] All graphs starting at recomputation time

[shinebar]

Since some weeks all of my graphs start at the time of recomputation (eg http://wetter.shinewelt.de/meteograph.c ... in-out-tag) . I suppose that there might be several illegal records in the raw-data files, as there additionally are several segfaults of wmr928eval when recomputing the data.

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wmr928eval[3430]: segfault at 00000000 eip b7e054cb esp bfd5cedc error 4
wmr928eval[4577]: segfault at 00000000 eip b7e8a4cb esp bfc91e0c error 4
wmr928eval[5653]: segfault at 00000000 eip b7e864cb esp bffdd15c error 4
wmr928eval[6847]: segfault at 00000000 eip b7eb84cb esp bfe6ffec error 4
wmr928eval[7765]: segfault at 00000000 eip b7e364cb esp bfe35fbc error 4
wmr928eval[8738]: segfault at 00000000 eip b7e544cb esp bf964aec error 4
wmr928eval[9796]: segfault at 00000000 eip b7e8f4cb esp bf85d1dc error 4
wmr928eval[10970]: segfault at ffffffff eip ffffffff esp bf8023f0 error 4

The meteohub.log shows no errors:

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wmr928fulleval(29.05.2013 20:55:02): recomputation of weather data started.
wmr928fulleval(29.05.2013 22:15:21): recomputation of weather data finished: 17994497 records processed in 4775 seconds (3768 records per second)

Is there any way to find out which lines in my data-files are generating this problem?

Thanks,
Danny

Update

I deleted all aggregated data in /data/weather and did a recomputation - now everything is fine again.