dhclient: send_packet: No buffer space available

[Pertti Kosunen]

Pertti Kosunen wrote:

> What could cause dhclient sometimes to fail renew the lease? I updated 
> world and moved to pf from ipfw same time so i don't know which to blame.
>
> This happens from twice a day to every few days.
>
> Jul 21 03:44:55 myserver dhclient: send_packet: No buffer space available
> Jul 21 03:44:55 myserver dhclient: send_packet: No buffer space available
> Jul 21 03:45:02 myserver dhclient: New IP Address (xl0): x.x.x.x
> Jul 21 03:45:02 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
> Jul 21 03:45:02 myserver dhclient: New Broadcast Address (xl0): x.x.x.x
> Jul 21 03:45:02 myserver dhclient: New Routers: x.x.x.x
>
> Pf.conf & dmesg:
> http://www.saunalahti.fi/~pkosunen/pf.conf
> http://www.saunalahti.fi/~pkosunen/dmesg 


Anyone know what what could be the problem with dhclient? Some buffer is 
full but what?

Nic is 3Com 3c905B-TX, FreeBSD 5.4-STABLE & PF.

"vmstat -m" output:
http://www.saunalahti.fi/~pkosunen/vmstat.txt

# grep dhclient /var/log/messages:
Jul 25 20:46:55 myserver dhclient: New IP Address (xl0): 62.142.70.119
Jul 25 20:46:55 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Jul 25 20:46:55 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Jul 25 20:46:56 myserver dhclient: New Routers: 62.142.70.1
Jul 25 20:51:28 myserver dhclient: New IP Address (xl0): 62.142.70.119
Jul 25 20:51:28 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Jul 25 20:51:28 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Jul 25 20:51:28 myserver dhclient: New Routers: 62.142.70.1
Jul 26 21:59:20 myserver dhclient: send_packet: No buffer space available
Jul 26 21:59:51 myserver dhclient: New IP Address (xl0): 62.142.70.200
Jul 26 21:59:51 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Jul 26 21:59:51 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Jul 26 21:59:51 myserver dhclient: New Routers: 62.142.70.1
Jul 30 23:34:05 myserver dhclient: send_packet: No buffer space available
Jul 30 23:34:05 myserver dhclient: send_packet: No buffer space available
Jul 30 23:34:13 myserver dhclient: New IP Address (xl0): 62.142.70.200
Jul 30 23:34:13 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Jul 30 23:34:13 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Jul 30 23:34:13 myserver dhclient: New Routers: 62.142.70.1
Jul 31 02:09:06 myserver dhclient: send_packet: No buffer space available
Jul 31 02:09:06 myserver dhclient: send_packet: No buffer space available
Jul 31 02:09:10 myserver dhclient: New IP Address (xl0): 62.142.70.200
Jul 31 02:09:10 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Jul 31 02:09:10 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Jul 31 02:09:10 myserver dhclient: New Routers: 62.142.70.1
Aug  1 20:11:26 myserver dhclient: send_packet: No buffer space available
Aug  1 20:11:26 myserver dhclient: send_packet: No buffer space available
Aug  1 20:11:31 myserver dhclient: New IP Address (xl0): 62.142.70.200
Aug  1 20:11:31 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  1 20:11:31 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  1 20:11:31 myserver dhclient: New Routers: 62.142.70.1
Aug  2 23:03:11 myserver dhclient: send_packet: No buffer space available
Aug  2 23:03:11 myserver dhclient: send_packet: No buffer space available
Aug  2 23:03:19 myserver dhclient: New IP Address (xl0): 62.142.70.200
Aug  2 23:03:19 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  2 23:03:19 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  2 23:03:19 myserver dhclient: New Routers: 62.142.70.1
Aug  3 22:29:12 myserver dhclient: send_packet: No buffer space available
Aug  3 22:29:12 myserver dhclient: send_packet: No buffer space available
Aug  3 22:29:21 myserver dhclient: New IP Address (xl0): 62.142.70.113
Aug  3 22:29:21 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  3 22:29:21 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  3 22:29:21 myserver dhclient: New Routers: 62.142.70.1
Aug  4 01:05:46 myserver dhclient: send_packet: No buffer space available
Aug  4 01:05:46 myserver dhclient: send_packet: No buffer space available
Aug  4 01:05:55 myserver dhclient: New IP Address (xl0): 62.142.70.113
Aug  4 01:05:55 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  4 01:05:55 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  4 01:05:55 myserver dhclient: New Routers: 62.142.70.1
Aug  6 16:53:32 myserver dhclient: send_packet: No buffer space available
Aug  6 16:53:32 myserver dhclient: send_packet: No buffer space available
Aug  6 16:53:37 myserver dhclient: New IP Address (xl0): 62.142.70.113
Aug  6 16:53:37 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  6 16:53:37 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  6 16:53:37 myserver dhclient: New Routers: 62.142.70.1
Aug  7 06:49:07 myserver dhclient: send_packet: No buffer space available
Aug  7 06:49:07 myserver dhclient: send_packet: No buffer space available
Aug  7 06:49:12 myserver dhclient: New IP Address (xl0): 62.142.70.113
Aug  7 06:49:12 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  7 06:49:12 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  7 06:49:12 myserver dhclient: New Routers: 62.142.70.1
Aug  7 14:22:17 myserver dhclient: send_packet: No buffer space available
Aug  7 14:22:46 myserver dhclient: New IP Address (xl0): 62.142.70.113
Aug  7 14:22:46 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  7 14:22:46 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  7 14:22:46 myserver dhclient: New Routers: 62.142.70.1
Aug  7 16:57:26 myserver dhclient: send_packet: No buffer space available
Aug  7 16:57:26 myserver dhclient: send_packet: No buffer space available
Aug  7 16:57:35 myserver dhclient: New IP Address (xl0): 62.142.70.113
Aug  7 16:57:35 myserver dhclient: New Subnet Mask (xl0): 255.255.254.0
Aug  7 16:57:35 myserver dhclient: New Broadcast Address (xl0): 
62.142.71.255
Aug  7 16:57:35 myserver dhclient: New Routers: 62.142.70.1