[rt-users] RT 3.8.7 fails to send email sometimes - cannot allocate memory?

Thomas Sibley trs at bestpractical.com
Mon Aug 1 09:12:45 EDT 2011


On 08/01/2011 02:43 AM, Chris Herrmann wrote:
> Aug  1 12:05:22 sirius RT:
> <rt-3.8.7-28432-1312164322-125.78931-14-0 at faredge.com.au
> <mailto:rt-3.8.7-28432-1312164322-125.78931-14-0 at faredge.com.au>>: Could
> not send mail with command `/usr/sbin/sendmail -oi -t`: couldn't execute
> program: Cannot allocate memory at
> /usr/share/request-tracker3.8/lib/RT/Interface/Email.pm line
> 432.#012#012Stack:#012 
[snip]
> In qmail (not running on this particular box) I've seen what I suspect
> is a similar thing when you load spam assassin, AV etc etc, which
> requires you to increase the amount of memory available to the tcpserver
> via softlimit (exec /usr/local/bin/softlimit -m 40000000 ...) and so on.
> Is this what I'm seeing here, and if so, how / what do I need to change?
> Or is it something else entirely?

You're seeing effectively the same thing.  Your machine is running out
of memory and there isn't enough for the OS to run /usr/sbin/sendmail.
You should increase the memory available or decrease your memory use.

Thomas



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