kern/80626: Out of memory ? then dead

[Bruce Evans]

The following reply was made to PR kern/80626; it has been noted by GNATS.

From: Bruce Evans <bde at zeta.org.au>
To: Giorgos Keramidas <keramida at ceid.upatras.gr>
Cc: freebsd-gnats-submit at freebsd.org
Subject: Re: kern/80626: Out of memory ? then dead
Date: Thu, 5 May 2005 19:14:06 +1000 (EST)

 On Wed, 4 May 2005, Giorgos Keramidas wrote:
 
 > On 2005-05-04 18:48, Nie Baopeng <niebaopeng at gmail.com> wrote:
 > > I use FluxBox Wm , sometimes the all GUI is Dead , any keys can't been
 > > used other than the Ctrl+Alt+Del ,even can't change to console . I see
 > > the log . The end of the line write that Xorg OUt Of Mamory .
 >
 > > I have No Swap yeah, and have 512 real mem . I known if use swap can
 > > slove this , but is not a poblem ?
 >
 > This is not really a bug.  Completely filling up all the physiucal
 > memory when there is no swap space available is known to cause hangs.
 
 It shouldn't cause any different behaviour that filling up all of
 physical and virtual memory when there is some swap space available.
 The kernel should start killing processes and not hang, but applications
 might not like this and children of the killed processes might hang.
 
 Bruce