Just upgraded 3 heavily used squid boxes to 2.6.9 today from 2.6.8.1, and all started panicing with the same error (usually within an hour of uptime): KERNEL: assertion (!skb_queue_empty(&sk->sk_write_queue)) \ failed at net/ipv4/tcp_timer.c (322) I note that between 2.6.8.1 and 2.6.9, there was a change made to this code: http://linux.bkbits.net:8080/linux-2.5/diffs/net/ipv4/tcp_timer.c@1.24?nav=index.html|src/.|src/net|src/net/ipv4|hist/net/ipv4/tcp_timer.c With the relevant portion seeming to be: @@ -316,7 +316,7 @@ { struct tcp_opt *tp = tcp_sk(sk); - if (tp->packets_out == 0) + if (!tcp_get_pcount(&tp->packets_out)) goto out; BUG_TRAP(!skb_queue_empty(&sk->sk_write_queue)); These are all fairly vanilla Dell 2550 boxes with a single E100 nic, but as noted they are heavily used. Any additional information needed on this? Phil - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
