> On 1.99.12, this firewalling rule
> ipfwadm -O -a reject -P tcp -S 0.0.0.0/0 -D 0.0.0.0/0 22
> will cause a kernel log of
> Error: send_head NULL in xmit_timer
> on any
> telnet localhost 22
Not limited to firewall stuff, as I just got a "send_head NULL in FIN_WAIT1"
from ipv4/tcp_input.c (line 1242) with only CSLIP and ether active. Can't
say what activity caused it. (1.99.12, gcc-2.7.2, a.out)
Paul.