GNU bug report logs - #2685
Emergency (alloc): Warning: past 85% of memory limit

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Chong Yidong <cyd <at> stupidchicken.com>
Subject: bug#2685: marked as done (Emergency (alloc): Warning: past 85% of
 memory limit)
Date: Fri, 22 May 2009 18:50:05 +0000

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Your message dated Fri, 22 May 2009 14:46:56 -0400
with message-id <87ljop561r.fsf <at> cyd.mit.edu>
and subject line Re: Emergency (alloc): Warning: past 85% of memory limit
has caused the Emacs bug report #2685,
regarding Emergency (alloc): Warning: past 85% of memory limit
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact help-debbugs <at> gnu.org
immediately.)


-- 
2685: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=2685
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Laurent GUERBY <laurent <at> guerby.net>
To: emacs-pretest-bug <at> gnu.org
Subject: Emergency (alloc): Warning: past 85% of memory limit
Date: Mon, 16 Mar 2009 12:13:55 +0100

Hi,

I compiled using GCC 4.3.2 from debian lenny (abi=32):

GNU Emacs 23.0.91.1 (mips64el-unknown-linux-gnu, X toolkit) of
2009-03-15 on gcc51   

When launching emacs (in text mode) I get a *Warnings* window
with the following message:

Emergency (alloc): Warning: past 85% of memory limit

The machine gcc51 has 1GB of RAM so this warning seems surprising.

Sincerely,

Laurent

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: Laurent GUERBY <laurent <at> guerby.net>
Cc: John Sullivan <johns <at> fsf.org>, 2685-done <at> debbugs.gnu.org
Subject: Re: Emergency (alloc): Warning: past 85% of memory limit
Date: Fri, 22 May 2009 14:46:56 -0400

> The problem is that Emacs is not determining the start of the data
> segment properly on MIPS machines.  In src/m/mips.h, we define
> DATA_START as 0x10000000

On further research, I think this is wrong for GNU/Linux.  It was
probably written for other operating systems in mind.  Undefining
DATA_START on GNU/Linux is pretty harmless; as I said, this causes Emacs
to fall back on another heuristic method for determining the start of
the data segment.  (Anyway, this change only affects this particular
platform).  So, I've checked in the change.

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