I get a similar error with gretl 1.9.5 (build date 9/24) and 1.9.6 on windows 7.
PS
________________________________________
From: gretl-users-bounces(a)lists.wfu.edu [gretl-users-bounces(a)lists.wfu.edu] on behalf of
Allin Cottrell [cottrell(a)wfu.edu]
Sent: Sunday, October 30, 2011 5:38 PM
To: Gretl list
Subject: Re: [Gretl-users] Seg fault when you open a bundle created and modified by a
function
On Sun, 30 Oct 2011, Giuseppe Vittucci wrote:
 I am running gretl 1.9.5 on Ubuntu 11.10.
 Here is a simple code to replicate the issue:
 nulldata 500
 function bundle pippo(scalar n)
    bundle pluto
    matrix x = I(n)
    pluto["mymat"] = x
    return pluto
 end function
 bundle pluto = pippo(3)
 bundle pluto = pippo(4)
 Click on the bundle from the "session icon view".
 Gretl quits with a segmentation fault error. 
This works OK with gretl 1.9.6 here, on Linux -- and valgrind
doesn't find anything dodgy. But I'll test further.
Allin Cottrell
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