Question

packet send failed no buffer space available freebsd

Asked by: 03671328

trying to get some insite on this error... only thing i see people refuring to its the mbufs... but from can tell it dose not look like that is the issue.
running freenas 0.7RC
usiing freebsd kernal 7.2

thanks for the help in advance.

freenaszfs06162009:/mnt/main# netstat -m
1639/2141/3780 mbufs in use (current/cache/total)
1500/1364/2864/65536 mbuf clusters in use (current/cache/total/max)
1500/802 mbuf+clusters out of packet secondary zone in use (current/cache)
0/595/595/12800 4k (page size) jumbo clusters in use (current/cache/total/max)
0/0/0/6400 9k jumbo clusters in use (current/cache/total/max)
0/0/0/3200 16k jumbo clusters in use (current/cache/total/max)
3409K/5643K/9053K 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)
0/30/6656 sfbufs in use (current/peak/max)
0 requests for sfbufs denied
0 requests for sfbufs delayed
42327284 requests for I/O initiated by sendfile
0 calls to protocol drain routines
 
 
 
Oct 26 09:11:52 freenaszfs06162009 last message repeated 3 times 
Oct 26 09:12:40 freenaszfs06162009 nmbd[3065]: [2009/10/26 09:12:40, 0] libsmb/nmblib.c:send_udp(793) 
Oct 26 09:12:40 freenaszfs06162009 nmbd[3065]: Packet send failed to 10.0.0.255(138) ERRNO=No buffer space available 
Oct 26 09:12:40 freenaszfs06162009 nmbd[3065]: [2009/10/26 09:12:40, 0] libsmb/nmblib.c:send_udp(793) 
Oct 26 09:12:40 freenaszfs06162009 nmbd[3065]: Packet send failed to 10.0.0.255(138) ERRNO=No buffer space available
                                  
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Asked On
2009-10-26 at 07:25:15ID24843646
Topics

FreeBSD

,

Linux Networking

,

Miscellaneous Networking

Participating Experts
1
Points
500
Comments
12

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Answers

 

by: gheistPosted on 2009-10-27 at 05:37:12ID: 25671679

Output of vmstat -m is of more value. Netstat -m shows no anomalies.

 

by: 03671328Posted on 2009-10-27 at 07:08:12ID: 25672565

freenaszfs06162009:~# vmstat -m
vmstat: Command not found.

 

by: gheistPosted on 2009-10-27 at 08:34:09ID: 25673565

Then just enjoy how it works. It does not contain enough of FreeBSD to diagnose.

Try doubling kern.ipc.nmbclusters in boot.conf if you find one on your system

 

by: 03671328Posted on 2009-10-27 at 14:46:54ID: 25677933

hw.acpi.power_button_state  NONE  Disable power button    
hw.ata.to  15  ATA disk timeout vis-a-vis power-saving    
kern.coredump  0  Disable core dump    
kern.ipc.maxsockbuf  2097152  System tuning    
kern.ipc.nmbclusters  131072  System tuning    
kern.ipc.somaxconn  8192  System tuning    
kern.maxfiles  65536  System tuning    
kern.maxfilesperproc  32768  System tuning    
net.inet.tcp.delayed_ack  0  System tuning    
net.inet.tcp.inflight.enable  0  System tuning    
net.inet.tcp.path_mtu_discovery  0  System tuning    
net.inet.tcp.recvspace  65536  System tuning    
net.inet.tcp.sendspace  65536  System tuning    
net.inet.udp.maxdgram  57344  System tuning    
net.inet.udp.recvspace  65536  System tuning    
net.local.stream.recvspace  65536  System tuning    
net.local.stream.sendspace  65536  System tuning    

 

by: gheistPosted on 2009-10-28 at 08:00:49ID: 25683982

add into /boot/boot.conf

kern.ipc.nmbclusters=262144

and reboot.

 

by: 03671328Posted on 2009-10-29 at 07:13:04ID: 25693855

added to the config still reciving issues.

Oct 29 08:49:36 freenaszfs06162009 nmbd[2269]: reply_netbios_packet: send_packet to IP 168.215.66.51 port 137 failed 
Oct 29 08:49:37 freenaszfs06162009 nmbd[2269]: [2009/10/29 08:49:37, 0] libsmb/nmblib.c:send_udp(793) 
Oct 29 08:49:37 freenaszfs06162009 nmbd[2269]: Packet send failed to 10.0.0.254(137) ERRNO=No buffer space available 
Oct 29 08:49:37 freenaszfs06162009 nmbd[2269]: [2009/10/29 08:49:37, 0] nmbd/nmbd_packets.c:reply_netbios_packet(992) 
                                              
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by: gheistPosted on 2009-10-30 at 06:36:25ID: 25702772

kern.ipc.maxsockbuf  2097152  System tuning

64k-1 instead of 2m should be fine.

65536 ads incompatibilities compared to 65535 or 32k for all parameters mentioned

 

by: 03671328Posted on 2009-10-30 at 07:02:49ID: 25703022

lol i think i figgured out the issue... i removed the box from becoming a master browser. and my errors have seen to go away... but i will replace all the 65536.

 

by: 03671328Posted on 2009-10-30 at 07:27:21ID: 25703258

nope ;(. i changed all the values that was said and now i lost ssh and web gui...

 

by: gheistPosted on 2009-10-31 at 03:36:58ID: 25709140

With inflight off and 2MB socket buffer it takes exactly 2MB per TCP socket.
Master Browser does all the net name resolution - like 1 connection per workstation in subnet for browsing and another for file sharing.

 

by: 03671328Posted on 2009-11-03 at 07:22:57ID: 25729772

So im still having issues. getting the web if back seeing i really cant reboot this machine.

freenaszfs06162009:/usr/local/www#  netstat -nr
Routing tables 
Internet:
Destination        Gateway            Flags    Refs      Use  Netif Expire
default            10.0.0.1           UGS         0      842    em0
10.0.0.0/24        link#1             UC          0        0    em0
10.0.0.1           00:30:48:dc:12:e9  UHLW        2       16    lo0
10.0.0.254         link#1             UHLW        1      768    em0
10.0.0.255         ff:ff:ff:ff:ff:ff  UHLWb       1     2249    em0
10.10.10.0/24      link#9             UC          0        0  lagg0
10.10.10.1         00:04:23:b1:57:9c  UHLW        1       10    lo0
10.10.10.2         00:30:48:d2:5c:5d  UHLW        1   444503  lagg0   1185
10.10.10.3         00:1a:4d:8c:6b:df  UHLW        1    16569  lagg0   1083
10.10.10.85        00:50:56:7d:9d:bd  UHLW        1     3216  lagg0    963
10.10.10.255       ff:ff:ff:ff:ff:ff  UHLWb       1     7696  lagg0
127.0.0.1          127.0.0.1          UH          0        0    lo0 
Internet6:
Destination                       Gateway                       Flags      Netif Expire
::1                               ::1                           UHL         lo0
fe80::%lo0/64                     fe80::1%lo0                   U           lo0
fe80::1%lo0                       link#8                        UHL         lo0
ff01:8::/32                       fe80::1%lo0                   UC          lo0
ff02::%lo0/32                     fe80::1%lo0                   UC          lo0
                                              
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by: 03671328Posted on 2009-11-06 at 07:50:13ID: 25760129

ok i figgured it out disabled system tuning and the issue went away. :).

20120131-EE-VQP-002

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