Thanks. I'll look into it. I must have used a name that is not defined
in a clean J session.
Henry Rich
On 3/21/2016 9:29 PM, 'Jon Hough' via Programming wrote:
Henry, you were right... kind of. I was using old versions of lint and dissect.
Now I have upgraded to
dissect version 4.6.6
lint version 1.18.9
... and I get 12 errors.
If you think this is an issue, I can start a new thread and show you the error
list. This thread might not be the best place for it.
--------------------------------------------
On Tue, 3/22/16, Henry Rich <henryhr...@gmail.com> wrote:
Subject: Re: [Jprogramming] Help, please - crash after suspension in J64
To: programm...@jsoftware.com
Date: Tuesday, March 22, 2016, 10:11 AM
Hm. Maybe you need to
upgrade your lint or dissect - I get no errors.
Henry Rich
>
> works. (Incidentally
dissect has 9 errors!)
>
> then...
>
> 13!:0 (1)
>
lint '
~addons/debug/dissect/dissect.ijs'
>
> causes J to crash.
>
>
>
--------------------------------------------
> On Tue, 3/22/16, Henry Rich <henryhr...@gmail.com>
wrote:
>
> Subject: Re: [Jprogramming]
Help, please - crash after suspension in J64
> To: programm...@jsoftware.com
> Date: Tuesday, March 22,
2016, 8:13 AM
>
> I don't think the
> problem is in the code for
Ctrl-K:
>
> 1. executing 13!:1 (1)
without Ctrl-K is enough
> to create the problem;
> 2. Going into debug
> and then coming out leaves
the system corrupted.
>
> It seems to me that there
is
> some entity that
corrupts the system if
> executed while in debug,
causing a crash
> later.
We could try to isolate
> that by
> chopping down the code for
debug, but I would think it would
> be
> easier to start with the
failure in the
> J Engine
& see if that makes the
> next
> move clear.
>
> If you want to
> go into it, ctrl-K
executes
>
> dbg_z_ ''
>
> IIRC, and that runs
>
> jdb_open_jdebug_''
>
> But beware! Make a false
step in the debug
> code
itself and the system
> may
crash.
>
> Henry Rich
>
> On 3/21/2016 6:27 PM, Pascal
Jasmin wrote:
> > Is
there a link to the source code behind
> ctrl-K. I think the last
time someone complained about it
> having a bug, the feature was
removed for 4 months :P
> >
> > It appears as though
> the bug would be in what
should be a relatively short bit of
> code?
> >
> >
> >
> >
> >
> ----- Original Message
-----
> > From:
> Henry Rich <henryhr...@gmail.com>
> > To: Programming forum
<programm...@jsoftware.com>
> > Sent: Monday, March 21,
2016 3:11 PM
> > Subject:
[Jprogramming] Help, please -
> crash after suspension in
J64
> >
> > I have a reproducible
crash on J64 when I
> run a
large script after debug
> > has been
> active, even if it no longer
active. This appears to be in
> the
> > J Engine, and I am
wondering if
> someone who
is working on that would be
> >
> willing to post a fix that
could get into a release before
> next August,
> > when next semester
> starts.
> >
> > Bill Lam
> reproduced this with
Jconsole, and I did on JQt Windows,
> and
> > Bill says it doesn't
fail on
> 32-bit Jconsole.
This strongly implicates
> > the J Engine,
methinks.
> >
> > The crash happens
> whenever I run the
sentence
> >
> > lint
'h:\dissect.ijs'
> >
> > Unfortunately lint is
> a huge program and the
dissect.ijs source file is
> > even huger. Sometimes
I get crashes on
> smaller
files but this seems
> >
totally
> reproducible. If
it looks like cutting the testcase down
> is
> > called for I will do so,
but it
> would be better to
start by looking at
> >
> the crash in a C debugger.
> >
> > Here are the results of
my experiments.
> To
reproduce, load debug/lint
> > and run
> it on the file
~addons/debug/dissect/dissect.ijs
> >
> > FAILS:
> > 13!:0 (1)
> > lint
> 'H:\dissect.ijs'
NB. h: is my source disk, yours
> will be different
> >
> >
> WORKS:
> > 13!:0 (1)
> >
> 13!:0 (0)
> > lint
> 'H:\dissect.ijs'
> >
> > FAILS:
> >
> > Ctrl+K to start debug
> >
> lint
'H:\dissect.ijs'
> >
> > FAILS:
> > Ctrl+K to
> start debug
> > Cancel the debug
window
> > hit enter in
term to make sure debug is
> over
> > 13!:17
'' to
> verify debug is off
> > lint
> 'H:\dissect.ijs'
> >
> > WORKS:
> > 13!:0 (1)
> > harmlessname =. 1
> >
> 13!:0 (0)
> > lint
> 'H:\dissect.ijs'
> >
> >
> > It appears that
> something that Ctrl-K does
poisons the system, even
> > after debug is turned
off.
> >
> > Henry Rich
> >
> >
> >
> >
> >
> >
> >
> >
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forums see http://www.jsoftware.com/forums.htm
> >
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>
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>
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