named: error sending response: not enough free resources

Chris St Denis chris at smartt.com
Tue Jun 2 22:33:26 UTC 2009


I occasionally get named errors like these in my messages log. I've done 
a lot of searching and have found others with similar problems, but no 
solutions.

    named[69750]: client *ip removed*: error sending response: not
    enough free resources
    named[69750]: client *ip removed*: error sending response: not
    enough free resources
    named[69750]: client *ip removed*: error sending response: not
    enough free resources
    named[69750]: client *ip removed*: error sending response: not
    enough free resources
    named[69750]: client *ip removed*: error sending response: not
    enough free resources

System isn't particularly heavily loaded. Load averages around 0.5, cpu 
averages about 90% idle, not swapping much.

Other messages on this subject suggest a shortage of mbuffs of an issue 
with the nic driver (the item I read was complaining about fxp, but I 
have em) so here is the related info.

    eureka# uname -a
    FreeBSD eureka 6.3-RELEASE-p1 FreeBSD 6.3-RELEASE-p1 #1: Mon Feb 25
    08:17:08 PST 2008     cstdenis at eureka:/usr/obj/usr/src/sys/EUREKA  i386

    eureka# named -v
    BIND 9.3.4-P1

    eureka# ifconfig em1
    em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
            options=1b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING>
            *IPs removed*
            ether 00:30:48:94:0a:31
            media: Ethernet 10baseT/UTP <full-duplex>
            status: active


    eureka# netstat -m
    1240/2165/3405 mbufs in use (current/cache/total)
    1216/1290/2506/25600 mbuf clusters in use (current/cache/total/max)
    1216/150 mbuf+clusters out of packet secondary zone in use
    (current/cache)
    0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max)
    0/0/0/0 9k jumbo clusters in use (current/cache/total/max)
    0/0/0/0 16k jumbo clusters in use (current/cache/total/max)
    2742K/3121K/5863K bytes allocated to network (current/cache/total)
    0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
    0/0/0 requests for jumbo clusters denied (4k/9k/16k)
    8/430/6656 sfbufs in use (current/peak/max)
    0 requests for sfbufs denied
    0 requests for sfbufs delayed
    999635 requests for I/O initiated by sendfile
    276104 calls to protocol drain routines


How do I fix this?


-- 
Chris St Denis
Programmer
SmarttNet (www.smartt.com)
Ph: 604-473-9700 Ext. 200
-------------------------------------------
"Smart Internet Solutions For Businesses" 



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