Re: 2.4.x VM problems thread

From: Hua Zhong (hzhong@andiamo.com)
Date: Tue Aug 07 2001 - 16:23:39 EST


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.
> >
> >
> > -
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> >
>
> --
> "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
>
> -
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