Subject: Maxima encountered a Lisp error on start up
From: Leo Butler
Date: Wed, 17 Feb 2010 08:26:47 +0000 (GMT)
On Tue, 16 Feb 2010, osman wrote:
< On Tue, 2010-02-16 at 14:00 +0100, Nicolas FRANCOIS wrote:
< > Le Tue, 16 Feb 2010 13:05:08 +0100,
< > Nicolas FRANCOIS <nicolas.francois at free.fr> a ?crit :
< >
< > > OK, I'll check the Ubuntu forum. Maybe some geek will fix the GCL
< > > problem, or bring a package with another Lisp interpreter.
< >
< > This link on the Ubuntu site reports the problem :
< >
< > https://bugs.launchpad.net/ubuntu/+source/maxima/+bug/303587
< >
< > and provides some fixes. Some are just workarounds for bypassing address
< > space randomization :
< >
< > Jorrit Kronjee wrote on 2009-11-01: #14
< >
< > This problem occurs when address space randomization is enabled (which
< > is enabled by default on newer kernels). When this option is set to 0
< > or 1, the error does not occur (default is 2). As a workaround, you
< > should add the following line to /etc/sysctl.conf:
< >
< > kernel.randomize_va_space = 1
< >
< > After that, run sysctl -p
Address space randomization is a security measure to remove holes
open to clever hackers due to bad coding practice. It is not
advised to disable it.
--
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.