On 06/27/2013 02:03 AM, Jon Schipp wrote:
After doing a git clone yesterday from github.com/borkmann/netsniff-ng I've
been getting "Out of memory" errors after running trafgen.

Sorry for the late answer Jon. As we have discussed lots of stuff off-list,
this seem to have gotten lost under way.

I tried on an Ubuntu Server 12.04 virtual machine (depicted below) and on
physical server machine of the same distribution. Both worked
without problems before I compiled the latest and now both are giving me
the same problem. I tried sending only one packet via "--num 1"
and it does the same thing. Physical machine has 4 cores and 4GB of RAM.
Virtual machine has 4 cores allocated from host OS and I
think 1GB of RAM. The machines become unresponsive (I waited up to around 5
minutes) and I'm forced to do a hard reboot.

This is very weird. Having the file foo contain garbage and running trafgen with
"--num 1" seems fine from here (sysmem looks stable as well):

# cat foo
{ fill(0xff, 64) }
# trafgen -i foo -o wlan0 --num 1
     2 packets to schedule
   128 bytes in total
Running! Hang up with ^C!


           1 packets outgoing
          64 bytes outgoing
           0 sec, 35 usec on CPU0 (0 packets)
           0 sec, 30 usec on CPU1 (1 packets)
#

Can you try to reproduce this with the latest Git version?

Thanks,

Daniel

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