From: Comeau At9Fans <comeauat9fans@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Plan 9 stack limit?
Date: Wed, 7 Sep 2011 12:38:22 -0400 [thread overview]
Message-ID: <CAE9W7-jW6mxLs=1RFx-AozY3K8nqDW4kVQA31dxSQjWhcbM76A@mail.gmail.com> (raw)
In-Reply-To: <CADSkJJVYtF4VJ1DcspjHnmoq2PFycyOBnc=7YiyUsOGm2mhaOw@mail.gmail.com>
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On Wed, Sep 7, 2011 at 10:05 AM, Russ Cox <rsc@swtch.com> wrote:
> On Wed, Sep 7, 2011 at 9:43 AM, Comeau At9Fans <comeauat9fans@gmail.com>
> wrote:
> > The app. 9vx will continue to run after it. It give a little dump thing
> on
> > the screen with "1476 The.App fault 0x4 no segment" send to the shell
> > account 9vx was started from. Running acid on the app does not appear to
> > bring up a line of code that should really be having a problem (though of
> > course if it's a bug I could be wrong).
>
> regs() might be interesting, along with asm(*PC).
> If I remember the output format correctly that looks
> like it faulted accessing 0x4, which seems more likely
> a null pointer deref than stack overflow.
>
> > What will be the difference in this version in regards to a problem
> > like the one I'm seeing?
>
> Probably nothing at all. If 9vx had been crashing then
> the difference would hopefully have been '9vx doesn't
> crash anymore'. :-)
huh, oh ok :) I'll be giving it a whirl shortly...
--
Greg Comeau / 4.3.10.1 with C++0xisms now in beta!
Comeau C/C++ ONLINE ==> http://www.comeaucomputing.com/tryitout
World Class Compilers: Breathtaking C++, Amazing C99, Fabulous C90.
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next prev parent reply other threads:[~2011-09-07 16:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-06 22:30 Comeau At9Fans
2011-09-06 22:39 ` ron minnich
2011-09-07 13:39 ` Comeau At9Fans
2011-09-07 15:46 ` ron minnich
2011-09-07 16:46 ` Comeau At9Fans
2011-09-07 20:04 ` David du Colombier
[not found] ` <CAP6exYKrNj_uz7tKJK_MtnPYVOEhpMr1ssCxUauEck2RLG=+jg@mail.gmail.c>
2011-09-07 15:48 ` erik quanstrom
2011-09-06 23:10 ` Mathieu Lonjaret
2011-09-07 13:40 ` Comeau At9Fans
[not found] ` <CAHcDtnkGF5V=DhQEPw=R66tkP2heFTkpQFosWbvvOuc=akFH+A@mail.gmail.c>
2011-09-06 23:48 ` erik quanstrom
2011-09-07 0:00 ` Russ Cox
2011-09-07 13:43 ` Comeau At9Fans
2011-09-07 14:05 ` Russ Cox
2011-09-07 16:38 ` Comeau At9Fans [this message]
2011-09-07 20:12 ` Comeau At9Fans
2011-09-08 1:18 ` Comeau At9Fans
2011-09-08 1:50 ` Russ Cox
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