AMBER Archive (2006)

Subject: AMBER: faulty ambpdb compilation?

From: Benjamin Juhl (
Date: Thu Mar 16 2006 - 12:16:12 CST

Dear Amber users,

i am currently using amber8 compiled with a pathscale compiler. When i
tried to construct pdb files from my restart files using ambpdb i got
following error:
| New format PARM file being parsed.
| Version = 1.000 Date = 03/16/06 Time = 17:58:37

**** Segmentation fault! Fault address: 0x18

Fault address is 4194280 bytes below the first valid
mapping boundary, which is at 0x400000.

This may have been caused by a struct access through a null pointer.

The strange thing is that i only get this for some of my restart files,
while others can be used to create pdb files without error. When i tried
to use those problematic restart files with an old ambpdb (from my
amber7 installation), i could construct pdb files without generating an
Has anyone experience with a similar problem?

Benjamin Juhl
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