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From: "Hua Zhong" <hzhong@andiamo.com>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: "Igmar Palsenberg" <maillist@jdimedia.nl>,
	<linux-kernel@vger.kernel.org>
Subject: Re: 2.4.x VM problems thread
Date: Tue, 7 Aug 2001 14:23:39 -0700	[thread overview]
Message-ID: <089001c11f87$3dd04570$103147ab@cisco.com> (raw)
In-Reply-To: <Pine.GSO.4.31.0108071401180.5066-100000@cardinal0.Stanford.EDU>

Well you can kill Solaris in this way too.  The system just can't fork more
than a certain number of processes. But as long as you manage to kill them,
you will be fine again.

So what exactly does it have to do with VM?

----- Original Message -----
From: "Ted Unangst" <tedu@stanford.edu>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: "Igmar Palsenberg" <maillist@jdimedia.nl>;
<linux-kernel@vger.kernel.org>
Sent: Tuesday, August 07, 2001 2:02 PM
Subject: Re: 2.4.x VM problems thread


> On Tue, 7 Aug 2001, Richard B. Johnson wrote:
>
> > Wow a memory-mapped fork bomb! Now what on earth did you expect?
> > Run it from a user-account with ulimits enabled for slightly less
> > than the total system resources. Then complain.
>
> not even mmap'ed.
>
> case 0: break;
>                                 tmp = mmap(0, 64 * 4096, PROT_EXEC,
> MAP_SHARED
> | MAP_ANONYMOUS, -1, 0);
>
> the mmap never even gets run.  might as well be for(;;) fork();
>
>
>
>
> >
> >
> > Cheers,
> > Dick Johnson
> >
> > Penguin : Linux version 2.4.1 on an i686 machine (799.53 BogoMips).
> >
> >     I was going to compile a list of innovations that could be
> >     attributed to Microsoft. Once I realized that Ctrl-Alt-Del
> >     was handled in the BIOS, I found that there aren't any.
> >
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel"
in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at  http://www.tux.org/lkml/
> >
>
> --
> "I am clearly more popular than Reagan.  I am in my third term.
> Where's Reagan?  Gone after two!  Defeated by George Bush and
> Michael Dukakis no less."
>       - M. Barry, Mayor of Washington, DC
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
>


  reply	other threads:[~2001-08-07 21:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.kga80kv.1fk0mqv@ifi.uio.no>
2001-08-07 21:02 ` 2.4.x VM problems thread Ted Unangst
2001-08-07 21:23   ` Hua Zhong [this message]
2001-08-07 20:44 Igmar Palsenberg
2001-08-07 20:55 ` Richard B. Johnson
2001-08-08  0:24 ` Luigi Genoni
2001-08-08  0:32   ` Mike Fedyk
2001-08-08  0:57     ` Luigi Genoni
2001-08-08  1:06       ` Luigi Genoni
2001-08-08 12:12     ` Rik van Riel

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