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Re: Stuck with a segfault in mvd reco [message #4906 is a reply to message #4902]

Mon, 13 August 2007 15:21

Florian Uhlig
Messages: 424
Registered: May 2007

first-grade participant

From: *gsi.de

Hi Ralf

> I commented the string out but it still breaks.
Ok. This is not the result i hoped for.

> I thought that the TString is made for the storage in root
> files.

I would say TString is the Root class to handle character arrays,
i don't know if it was made for storage in files.
The problem comes from the TClonesarray.
From the Root manual

>> A TClonesArray is an array of identical (clone) objects. The >> memory for the object is allocated only once in the lifetime
>> of the clonesarray.

> My prevous data formats contain such a TString, too. Could the
> problem arise from that?

This i don't understand? What do you mean exactely?

> I made a run with valgrind and there it runs through. This is > very strange.

This is indeed verry strange. Maybe valgrind prevents you from overwriting some array bondaries. Can you check what is written to your string?

Ciao

Florian

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[Message index]

		Stuck with a segfault in mvd reco By: Ralf Kliemt on Fri, 10 August 2007 11:39
		Re: Stuck with a segfault in mvd reco By: Florian Uhlig on Fri, 10 August 2007 11:55
		Re: Stuck with a segfault in mvd reco By: Ralf Kliemt on Fri, 10 August 2007 12:14
		Re: Stuck with a segfault in mvd reco By: Ralf Kliemt on Mon, 13 August 2007 12:31
		Re: Stuck with a segfault in mvd reco By: Florian Uhlig on Mon, 13 August 2007 12:54
		Re: Stuck with a segfault in mvd reco By: Ralf Kliemt on Mon, 13 August 2007 12:55
		Re: Stuck with a segfault in mvd reco By: Florian Uhlig on Mon, 13 August 2007 13:02
		Re: Stuck with a segfault in mvd reco By: Ralf Kliemt on Mon, 13 August 2007 13:15
		Re: Stuck with a segfault in mvd reco By: Florian Uhlig on Mon, 13 August 2007 15:21
		Re: Stuck with a segfault in mvd reco By: StefanoSpataro on Mon, 13 August 2007 15:26
		Re: Stuck with a segfault in mvd reco By: Ralf Kliemt on Mon, 13 August 2007 15:48
		Re: Stuck with a segfault in mvd reco By: Ralf Kliemt on Mon, 13 August 2007 16:36

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