This thread seems relevant. Reference: http://marc.theaimsgroup.com/?l=linux-netdev&m=109953032629224&w=2
----- Forwarded message from Christopher Chan <[EMAIL PROTECTED]> ----- Date: Thu, 04 Nov 2004 09:08:28 +0800 From: Christopher Chan <[EMAIL PROTECTED]> To: [email protected] Cc: Christopher Chan <[EMAIL PROTECTED]>, [EMAIL PROTECTED] Subject: Re: linux 2.6.9 still having network code problems 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. ----- End forwarded message ----- -- Horms

