Re: Question

["Gibson, Nathan J. (HSC)" <Nathan-Gibson () ouhsc edu>]

I reboot weekly.  No I don't get the errors when I remove the environment variables but I get tremendous packet loss. 

-----Original Message-----
From: Martin Holste [mailto:mcholste () gmail com] 
Sent: Monday, July 18, 2011 3:21 PM
To: Gibson, Nathan J. (HSC)
Cc: snort-users () lists sourceforge net
Subject: Re: [Snort-users] Question

And you get the same error trying to run snort when you leave the environment variables off?

On Mon, Jul 18, 2011 at 2:48 PM, Gibson, Nathan J. (HSC) <Nathan-Gibson () ouhsc edu> wrote:
> Mem:  12462404k total,   470188k used, 11992216k free,     1056k
>
>
> It shows I have 12GB
> -----Original Message-----
> From: Martin Holste [mailto:mcholste () gmail com]
> Sent: Monday, July 18, 2011 12:10 PM
> To: Gibson, Nathan J. (HSC)
> Cc: snort-users () lists sourceforge net
> Subject: Re: [Snort-users] Question
>
> That error message indicates the box doesn't have enough RAM for PF_RING to allocate its memory.  Are you sure you're 
> not low in RAM for the box?  That might also be a product of using PCAP_MEMORY=6120.
> Try removing the environment variables as they shouldn't be needed anyway when using PF_RING (as the modprobe.conf 
> settings control it).
>
> On Mon, Jul 18, 2011 at 9:42 AM, Gibson, Nathan J. (HSC) <Nathan-Gibson () ouhsc edu> wrote:
> > I have been running snort for over a year now. Nothing has changed in 
> > my configuration (except new rules). I have been running the same 
> > rule categories for a year. All of the sudden (about a month ago) 
> > snort started randomly stopping with no apparent errors in the logs. 
> > The only error I get is when I try to restart snort I get the following error.
> >
> >
> >
> > 7/18/2011 9:33 AM :   snort[7491]: FATAL ERROR: Can't start DAQ (-1) 
> > - can't mmap rx ring: Cannot allocate memory!
> >
> >
> >
> >
> >
> > As I said the only variable I have are the actual rules that are 
> > updated from ET and Sourcefire. Could a rule be causing this?
> >
> >
> >
> > Here are the stats on my snort config:
> >
> >
> >
> >
> >
> >    ,,_     -*> Snort! <*-
> >
> >   o"  )~   Version 2.9.0.5 IPv6 GRE (Build 135)
> >
> >    ''''    By Martin Roesch & The Snort Team:
> > http://www.snort.org/snort/snort-team
> >
> >            Copyright (C) 1998-2011 Sourcefire, Inc., et al.
> >
> >            Using libpcap version 1.1.1
> >
> >            Using PCRE version: 6.6 06-Feb-2006
> >
> >            Using ZLIB version: 1.2.3
> >
> >
> >
> >
> >
> > PCAP_MEMORY=6120 PCAP_FRAMES=65535 /usr/local/bin/snort -c 
> > /etc/snort/snort.conf -i eth1 -D
> >
> >
> >
> >
> >
> > top - 09:41:21 up 2 days, 24 min,  1 user,  load average: 0.14, 0.24,
> > 0.22
> >
> > Tasks: 383 total,   1 running, 382 sleeping,   0 stopped,   0 zombie
> >
> > Cpu(s):  0.2%us,  0.1%sy,  0.0%ni, 99.6%id,  0.0%wa,  0.0%hi,  
> > 0.0%si, 0.0%st
> >
> > Mem:  12462404k total,   470188k used, 11992216k free,     1056k 
> > buffers
> >
> > Swap:  1020116k total,        0k used,  1020116k free,   260968k 
> > cached
> >
> > ---------------------------------------------------------------------
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