From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christopher Chan Subject: Re: linux 2.6.9 still having network code problems Date: Thu, 04 Nov 2004 09:08:28 +0800 Message-ID: <4189810C.4080302@outblaze.com> References: <418741EB.3080701@outblaze.com> <20041102011918.2b453e21.akpm@osdl.org> <4187478A.1040002@outblaze.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: Christopher Chan , ganesh.venkatesan@intel.com Return-path: To: netdev@oss.sgi.com In-Reply-To: <4187478A.1040002@outblaze.com> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Christopher Chan wrote: > >>> Previously with 2.6.7 I had to use this values in sysctl to be able >>> to continue to access the box: >>> >>> net.ipv4.tcp_max_syn_backlog = 2048 >>> net.ipv4.route.gc_thresh = 65536 >>> net.ipv4.route.max_size = 1048576 >>> Nov 1 03:16:00 spf5-3 kernel: Out of Memory: Killed process 21861 >>> (smtpd). >>> Nov 1 03:16:00 spf5-3 kernel: KERNEL: assertion (flags & MSG_PEEK) >>> failed at net/ipv4/tcp.c (1284) >>> Nov 1 03:16:00 spf5-3 kernel: recvmsg bug: copied 1E619F78 seq 1E61A378 >>> Nov 1 03:16:00 spf5-3 kernel: KERNEL: assertion (flags & MSG_PEEK) >>> failed at net/ipv4/tcp.c (1284) >>> Nov 1 03:16:00 spf5-3 kernel: recvmsg bug: copied 1E619F78 seq 1E61A378 >>> Nov 1 03:16:00 spf5-3 kernel: KERNEL: assertion (tp->copied_seq == >>> tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed at >>> net/ipv4/tcp.c (1348) >>> Nov 1 03:16:00 spf5-3 kernel: KERNEL: assertion (flags & MSG_PEEK) >>> failed at net/ipv4/tcp.c (1284) >>> Nov 1 03:16:00 spf5-3 kernel: recvmsg bug: copied 1E619F78 seq 1E61A378 >>> Nov 1 03:16:00 spf5-3 kernel: KERNEL: assertion (tp->copied_seq == >>> tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed at >>> net/ipv4/tcp.c (1348) >>> Nov 1 03:16:00 spf5-3 kernel: KERNEL: assertion (flags & MSG_PEEK) >>> failed at net/ipv4/tcp.c (1284) >>> Nov 1 03:16:00 spf5-3 kernel: recvmsg bug: copied 1E619F78 seq 1E61A378 >>> Nov 1 03:16:00 spf5-3 kernel: KERNEL: assertion (tp->copied_seq == >>> tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed at >>> net/ipv4/tcp.c (1348) >> >> >> >> This is a networking bug. >> > > Yes...it's the same one that won't allow me to use the e100 driver with > NAPI enabled with or without them sysctl tweaks and the same one that > forces me to use the tweaks without NAPI enabled for the e100 driver. > > With NAPI enabled, I see the problem when under pressure. > > FYI, the 2.6.9 kernel is running with NAPI enabled. > 2.6.9 kernel with NAPI enabled and sysctl tweaks listed at the top of mail still triggers network code problems: Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:46:45 spf0 kernel: KERNEL: assertion (tp->copied_seq == tp->rcv_nxt || (flags & (MSG_PEEK | MSG_TRUNC))) failed a t net/ipv4/tcp.c (1348) Nov 3 10:47:56 spf0 kernel: kb)->end_seq)) failed at net/ipv4/tcp.c (1061) Nov 3 10:47:56 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:47:56 spf0 kernel: KERNEL: assertion (!skb || before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq)) failed at net/ipv 4/tcp.c (1061) ...................................... Nov 3 10:47:59 spf0 kernel: printk: 156 messages suppressed. Nov 3 10:47:59 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:47:59 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:47:59 spf0 kernel: KERNEL: assertion (!skb || before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq)) failed at net/ipv 4/tcp.c (1061) Nov 3 10:47:59 spf0 kernel: printk: 106 messages suppressed. Nov 3 10:47:59 spf0 kernel: printk: 121 messages suppressed. Nov 3 10:47:59 spf0 kernel: printk: 222 messages suppressed. Nov 3 10:47:59 spf0 kernel: printk: 151 messages suppressed. Nov 3 10:47:59 spf0 kernel: KERNEL: assertion (flags & MSG_PEEK) failed at net/ipv4/tcp.c (1284) Nov 3 10:47:59 spf0 kernel: recvmsg bug: copied D51512C9 seq D51512FA Nov 3 10:47:59 spf0 kernel: printk: 163 messages suppressed. Nov 3 10:48:04 spf0 kernel: printk: 216 messages suppressed. apparent recovery... Nov 3 11:15:44 spf0 kernel: printk: 15 messages suppressed. Nov 3 11:23:42 spf0 kernel: printk: 61 messages suppressed. Box is gone... Please continue to keep available the NAPI disable/enable option in the e100 driver.