Bug#272231: marked as done (possible g++ memory leakage)
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and subject line Bug#272231: possible g++ memory leakage
has caused the attached Bug report to be marked as done.
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>From lorro@lorro.wigner.bme.hu Sat Sep 18 08:03:17 2004
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Subject: possible g++ memory leakage
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Package: g++
Version: 3.3.4-2
Severity: important
When building the latest (0.16) mythtv with apt-build,
at file globalsettings.cpp g++ slowly eats up all the
memory the machine has (no matter how much), then dies
with inertal error (probably gets oomkilled).
Reproducing the error: (Debian unstable, as of 2004-09-18)
1., Add (if not already there) to /etc/apt/sources.list :
deb http://dijkstra.csh.rit.edu/~mdz/debian unstable mythtv
2., Install (if you don't yet have it) apt-build :
apt-get install apt-build && apt-get update
3., Set -O3 -march=k6-3 -mcpu=k6-3 (probably optional) in
/etc/apt/apt-build.conf
4., Install mythtv with apt-build :
apt-build install
5., Wait...
The error will appear when globalsettings.cpp gets compiled.
(Takes quite long) You can start a "watch free" to see
the memory leakage.
Kernel: Linux 2.6.5 official source
Lorand Szollosi <lorro@lorro.wigner.bme.hu>
-lorro
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Received: (at 272231-done) by bugs.debian.org; 20 Sep 2004 06:54:27 +0000
>From doko@cs.tu-berlin.de Sun Sep 19 23:54:27 2004
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From: Matthias Klose <doko@cs.tu-berlin.de>
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Message-ID: <16718.32415.652939.593254@gargle.gargle.HOWL>
Date: Mon, 20 Sep 2004 08:54:23 +0200
To: lorro@lorro.wigner.bme.hu, 272231-done@bugs.debian.org
Subject: Re: Bug#272231: possible g++ memory leakage
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lorro@lorro.wigner.bme.hu writes:
> > the file compiles fine, although the peak memory usage is at about
> > 460MB. please add more swap space and retry.
> Sorry, you are rigth. After adding another 600MB swap the
> compile went fine. So the 'bug' is resolved.
> btw, is it normal that a compile eats up this much space?
> Is there any way to avoid it when writing new code?
g++-3.4 is definitely better in memory usage, although to test this
you would have to recompile all C++ dependent build dependencies
first.
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