On Jan 31, 2008 11:25 AM, Patrick McHardy <kaber@xxxxxxxxx> wrote: > Actually its probably the SYN/ACK that is dropped. Please try whether > > modprobe ipt_LOG > echo 255 >/proc/sys/net/netfilter/nf_conntrack_log_invalid On the good run, I don't get any message, which is good. On the bad run, I got the following message ... boston kernel: nf_ct_tcp: invalid packed ignored IN= OUT= SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=8162 DF PROTO=TCP SPT=1016 DPT=515 SEQ=3834958843 ACK=0 WINDOW=32792 RES=0x00 SYN URGP=0 OPT (0204400C0402080A0000CC190000000001030307) UID=0 GID=65534 This message is displayed repeatedly after the job got "stuck", once ever 3 seconds coinciding with every 3 seconds of the print job sent. Hope this helps. Jeff. - To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html