[gmx-users] Fatal error: XTC error

[Erik Lindahl]

Hi,

In short, it means that gromacs got a non-zero return code when using  
the XTC routines to write to a file (probably your trajectory).

This is almost certainly due to an I/O error. Common explanations  
besides a full disk are:

1. Output file exceeds 2Gb on a non-largefile filesystem (e.g. NFSv2)
2. Your quota is full
3. Disk hardware error
4. Network error if you use NFS

In theory it might also happen if you try to write coordinates that  
involve "NaN", but if it happened during a run I think other routines  
would have caught a severely crashing simulation first.

Cheers,

Erik

On Dec 5, 2005, at 3:03 PM, Rahul Karyappa wrote:

> Dear all,
>    I had started the MD run for 5ps(5000 steps) on my model. But  
> after 490 steps of MD run it gave me following error:
>
> Fatal error: XTC error
>
> What is the reason for this? I checked the disk space but it is not  
> full. PLease let me know about this. Thanking you in advance.
>
> Rahul Karyappa
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-----------------------------------------------------------
Erik Lindahl  <lindahl at sbc.su.se>
Assistant Professor, Stockholm Bioinformatics Center
Stockholm University, SE 106 91 Stockholm
Phone: +46 8 5537 8564     Fax: +46 8 5537 8214




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