* bug#15065: guile version 2.0 crashes with a really small number after vm stack overflow error
@ 2013-08-09 21:09 Leonidas Tsampros
2014-01-15 21:01 ` Mark H Weaver
0 siblings, 1 reply; 2+ messages in thread
From: Leonidas Tsampros @ 2013-08-09 21:09 UTC (permalink / raw)
To: 15065
Transcript from crash session:
$ guile
GNU Guile 2.0.9-deb+1-1
Copyright (C) 1995-2013 Free Software Foundation, Inc.
Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.
Enter `,help' for help.
scheme@(guile-user)> (define (cube x)
(* x x x))
scheme@(guile-user)> (define (sum term a next b)
(if (> a b)
0
(+ (term a)
(sum term (next a) next b))))
scheme@(guile-user)> (define (integral f a b dx)
(define (add-dx x) (+ x dx))
(* (sum f (+ a (/ dx 2.0)) add-dx b)
dx))
scheme@(guile-user)> (integral cube 0.0 1.0 0.01)
$1 = 0.24998750000000042
scheme@(guile-user)> (integral cube 0.0 1.0 0.001)
$2 = 0.249999875000001
scheme@(guile-user)> (integral cube 0.0 1.0 0.0001)
<unnamed port>:1:0: In procedure cube:
<unnamed port>:1:0: Throw to key `vm-error' with args `(vm-run "VM: Stack overflow" ())'.
Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue.
scheme@(guile-user) [1]> ,q
scheme@(guile-user)> (integral cube 0.0 1.0 0.000001)
Aborted
$ guile -v
guile (GNU Guile) 2.0.9-deb+1-1
Copyright (C) 2013 Free Software Foundation, Inc.
License LGPLv3+: GNU LGPL 3 or later <http://gnu.org/licenses/lgpl.html>.
This is free software: you are free to change and redistribute it.
$ dpkg -l | grep -i guile
ii guile-2.0 2.0.9+1-1 amd64 GNU extension language and Scheme interpreter
ii guile-2.0-doc 2.0.9+1-1 all Documentation for Guile 2.0
ii guile-2.0-libs 2.0.9+1-1 amd64 Core Guile libraries
$ ./config.guess
x86_64-unknown-linux-gnu
$ uname -a
Linux kepler 3.9-1-amd64 #1 SMP Debian 3.9.8-1 x86_64 GNU/Linux
Thanks
^ permalink raw reply [flat|nested] 2+ messages in thread
* bug#15065: guile version 2.0 crashes with a really small number after vm stack overflow error
2013-08-09 21:09 bug#15065: guile version 2.0 crashes with a really small number after vm stack overflow error Leonidas Tsampros
@ 2014-01-15 21:01 ` Mark H Weaver
0 siblings, 0 replies; 2+ messages in thread
From: Mark H Weaver @ 2014-01-15 21:01 UTC (permalink / raw)
To: ltsampros; +Cc: 15065-done
Leonidas Tsampros <ltsampros@upnet.gr> writes:
> scheme@(guile-user)> (define (cube x)
> (* x x x))
> scheme@(guile-user)> (define (sum term a next b)
> (if (> a b)
> 0
> (+ (term a)
> (sum term (next a) next b))))
> scheme@(guile-user)> (define (integral f a b dx)
> (define (add-dx x) (+ x dx))
> (* (sum f (+ a (/ dx 2.0)) add-dx b)
> dx))
> scheme@(guile-user)> (integral cube 0.0 1.0 0.01)
> $1 = 0.24998750000000042
> scheme@(guile-user)> (integral cube 0.0 1.0 0.001)
> $2 = 0.249999875000001
> scheme@(guile-user)> (integral cube 0.0 1.0 0.0001)
> <unnamed port>:1:0: In procedure cube:
> <unnamed port>:1:0: Throw to key `vm-error' with args `(vm-run "VM: Stack overflow" ())'.
>
> Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue.
> scheme@(guile-user) [1]> ,q
> scheme@(guile-user)> (integral cube 0.0 1.0 0.000001)
> Aborted
This is now fixed in the git repository, and will be in Guile 2.0.10.
http://git.savannah.gnu.org/gitweb/?p=guile.git;a=commitdiff;h=70057f3408f8bb469941fa3ab497076ec8f2a117
I'm closing this bug.
Thanks!
Mark
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2013-08-09 21:09 bug#15065: guile version 2.0 crashes with a really small number after vm stack overflow error Leonidas Tsampros
2014-01-15 21:01 ` Mark H Weaver
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