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Date: Tue, 20 Feb 2007 09:25:10 -0600
From: Eric Anderson <anderson@freebsd.org>
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To: Arone Silimantia <aronesimi@yahoo.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: beefy system exhausted by MRTG port install (Cannot allocate
 memory)
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On 02/19/07 22:20, Arone Silimantia wrote:
> New, modern, p4-xeon based system.
> 
> 4 GB physical RAM:
> 
> # dmesg|grep emory
> real memory  = 3489071104 (3327 MB)
> avail memory = 3418656768 (3260 MB)
> 
> 4 GB swap:
> 
> # swapinfo
> Device          1K-blocks     Used    Avail Capacity
> /dev/da0s1b       4194304       40  4194264     0%
> 
> And because it has a multi-TB filesystem attached, it even has a big number here:
> 
> # cat /boot/loader.conf
> kern.maxdsiz="3072000000"
> 
> So imagine my surprise when I:
> 
> # cd /usr/ports/net-mgmt/mrtg ; make install
> 
> (snip, snip)
> 
> ===>  Patching for png-1.2.12_1
> ===>  Applying FreeBSD patches for png-1.2.12_1
> ===>  Configuring for png-1.2.12_1
> ===>  Building for png-1.2.12_1
> cc -O2 -fno-strict-aliasing -pipe    -c png.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngset.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngget.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngrutil.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngtrans.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngwutil.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngread.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngrio.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngwio.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngwrite.c
> cc -O2 -fno-strict-aliasing -pipe    -c pngrtran.c
> virtual memory exhausted: Cannot allocate memory
> *** Error code 1
> 
> 
> after this attempt, swapinfo still shows zero swap in use.
> 
> What does this mean ?
> 
> Is my system now in an unstable state ?  Should I reboot ?

Did you try reducing your maxdsiz to something a few hundred mb's less?

Eric