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Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING

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From: Cedric Le Goater <clg@...>
To: Andrew Morton <akpm@...>
Cc: <linux-kernel@...>, <netdev@...>, Ilpo Järvinen <ilpo.jarvinen@...>, David Miller <davem@...>
Subject: Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING
Date: Friday, September 28, 2007 - 11:42 am

Hello ! 

Andrew Morton wrote:

I just found that warning in my logs. It seems that it's been 
happening since rc7-mm1 at least. 

Thanks !

C.

WARNING: at /home/legoater/linux/2.6.23-rc8-mm2/net/ipv4/tcp_input.c:2314 tcp_fastretrans_alert()

Call Trace:
 <IRQ>  [<ffffffff8040fdc3>] tcp_ack+0xcd6/0x1894
 [<ffffffff80411c79>] tcp_data_queue+0x5be/0xae7
 [<ffffffff80412b54>] tcp_rcv_established+0x61f/0x6df
 [<ffffffff80254146>] __lock_acquire+0x8a1/0xf1b
 [<ffffffff80419cfd>] tcp_v4_do_rcv+0x3e/0x394
 [<ffffffff8041a66f>] tcp_v4_rcv+0x61c/0x9a9
 [<ffffffff803ff1e3>] ip_local_deliver+0x1da/0x2a4
 [<ffffffff803ffb4e>] ip_rcv+0x583/0x5c9
 [<ffffffff8046d33f>] packet_rcv_spkt+0x19a/0x1a8
 [<ffffffff803e081c>] netif_receive_skb+0x2cf/0x2f5
 [<ffffffff88042505>] :tg3:tg3_poll+0x65d/0x8a4
 [<ffffffff803e09e8>] net_rx_action+0xb8/0x191
 [<ffffffff8023a927>] __do_softirq+0x5f/0xe0
 [<ffffffff8020c98c>] call_softirq+0x1c/0x28
 [<ffffffff8020e9c3>] do_softirq+0x3b/0xb8
 [<ffffffff8023aa1e>] irq_exit+0x4e/0x50
 [<ffffffff8020e7df>] do_IRQ+0xbd/0xd7
 [<ffffffff80209cb9>] mwait_idle+0x0/0x4d
 [<ffffffff8020bce6>] ret_from_intr+0x0/0xf
 <EOI>  [<ffffffff80209cfc>] mwait_idle+0x43/0x4d
 [<ffffffff802099fb>] enter_idle+0x22/0x24
 [<ffffffff80209c4f>] cpu_idle+0x9d/0xc0
 [<ffffffff80476a91>] rest_init+0x55/0x57
 [<ffffffff80630815>] start_kernel+0x2d6/0x2e2
 [<ffffffff80630134>] _sinittext+0x134/0x13b
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Messages in current thread:
2.6.23-rc8-mm2, Andrew Morton, (Thu Sep 27, 5:22 am)
Re: 2.6.23-rc8-mm2, Matt Mackall, (Tue Oct 9, 1:49 pm)
Re: 2.6.23-rc8-mm2 - PowerPC link failure at arch/powerpc/ke..., Kamalesh Babulal, (Sun Sep 30, 12:10 am)
Re: 2.6.23-rc8-mm2 - PowerPC link failure at arch/powerpc/ke..., Kamalesh Babulal, (Sun Sep 30, 5:37 am)
Re: 2.6.23-rc8-mm2, , (Sat Sep 29, 10:26 pm)
Re: 2.6.23-rc8-mm2, Andrew Morton, (Sun Sep 30, 4:50 am)
Re: 2.6.23-rc8-mm2, , (Mon Oct 1, 12:12 pm)
Re: 2.6.23-rc8-mm2, Rafael J. Wysocki, (Sun Sep 30, 4:01 pm)
Re: 2.6.23-rc8-mm2, , (Mon Oct 1, 1:12 pm)
Re: 2.6.23-rc8-mm2, Dave Young, (Sat Sep 29, 5:37 am)
Re: 2.6.23-rc8-mm2, Greg KH, (Sat Sep 29, 11:19 am)
Re: 2.6.23-rc8-mm2, Dave Young, (Mon Oct 8, 2:43 am)
Re: 2.6.23-rc8-mm2, , (Sun Sep 30, 1:18 am)
Re: 2.6.23-rc8-mm2, Dave Young, (Sat Sep 29, 9:29 pm)
/proc/net/ bad hard links count [Was: 2.6.23-rc8-mm2], Jiri Slaby, (Fri Sep 28, 12:30 pm)
Re: /proc/net/ bad hard links count [Was: 2.6.23-rc8-mm2], Eric W. Biederman, (Fri Sep 28, 1:03 pm)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Cedric Le Goater, (Fri Sep 28, 11:42 am)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Ilpo Järvinen, (Fri Sep 28, 3:10 pm)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Ilpo Järvinen, (Sat Sep 29, 8:44 am)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Cedric Le Goater, (Sat Sep 29, 10:55 am)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Ilpo Järvinen, (Sat Sep 29, 4:49 pm)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Cedric Le Goater, (Mon Oct 1, 5:26 am)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Ilpo Järvinen, (Tue Oct 2, 6:26 am)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Ilpo Järvinen, (Tue Oct 2, 4:06 pm)
Re: 2.6.23-rc8-mm2 - tcp_fastretrans_alert() WARNING, Ilpo Järvinen, (Tue Oct 2, 5:48 pm)
WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_function_m..., Fengguang Wu, (Thu Sep 27, 10:40 pm)
Re: WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_functi..., Laurent Vivier, (Fri Sep 28, 4:52 am)
Re: WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_functi..., Andrew Morton, (Fri Sep 28, 5:09 am)
Re: WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_functi..., Laurent Vivier, (Fri Sep 28, 5:18 am)
Re: WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_functi..., Andrew Morton, (Fri Sep 28, 5:34 am)
Re: WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_functi..., Laurent Vivier, (Fri Sep 28, 8:07 am)
Re: WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_functi..., Fengguang Wu, (Sat Sep 29, 4:15 am)
Re: WARNING: at arch/x86_64/kernel/smp.c:397 smp_call_functi..., Fengguang Wu, (Sat Sep 29, 2:59 am)
Re: 2.6.23-rc8-mm2: BUG near reiserfs_xattr_set, Laurent Riffard, (Thu Sep 27, 3:18 pm)
Re: 2.6.23-rc8-mm2: BUG near reiserfs_xattr_set, Andrew Morton, (Thu Sep 27, 3:48 pm)
Re: 2.6.23-rc8-mm2: BUG near reiserfs_xattr_set, Christoph Hellwig, (Thu Sep 27, 4:26 pm)
[RFC][PATCH] make reiserfs stop using 'struct file' for inte..., Dave Hansen, (Thu Sep 27, 4:53 pm)
Re: [RFC][PATCH] make reiserfs stop using 'struct file' for ..., Christoph Hellwig, (Thu Sep 27, 5:04 pm)
Re: [RFC][PATCH] make reiserfs stop using 'struct file' for ..., Dave Hansen, (Thu Sep 27, 5:27 pm)
Re: [RFC][PATCH] make reiserfs stop using 'struct file' for ..., Andrew Morton, (Thu Sep 27, 5:51 pm)
Re: [RFC][PATCH] make reiserfs stop using 'struct file' for ..., Christoph Hellwig, (Fri Sep 28, 3:16 am)
[RFC][PATCH] stop abusing filp_open in reiserfs journal code, Christoph Hellwig, (Fri Sep 28, 3:29 am)
Re: [RFC][PATCH] make reiserfs stop using 'struct file' for ..., Peter Zijlstra, (Thu Sep 27, 6:02 pm)
Re: [RFC][PATCH] make reiserfs stop using 'struct file' for ..., Andrew Morton, (Thu Sep 27, 5:54 pm)
Re: 2.6.23-rc8-mm2: BUG near reiserfs_xattr_set, Dave Hansen, (Thu Sep 27, 4:05 pm)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Rafael J. Wysocki, (Thu Sep 27, 11:19 am)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Rafael J. Wysocki, (Thu Sep 27, 11:59 am)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Sam Ravnborg, (Thu Sep 27, 12:53 pm)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Randy Dunlap, (Thu Sep 27, 1:33 pm)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Sam Ravnborg, (Thu Sep 27, 3:19 pm)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Rafael J. Wysocki, (Thu Sep 27, 3:48 pm)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Randy Dunlap, (Thu Sep 27, 3:37 pm)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Rafael J. Wysocki, (Thu Sep 27, 4:01 pm)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Thomas Gleixner, (Thu Sep 27, 11:49 am)
Re: 2.6.23-rc8-mm2: problems on HP nx6325, Rafael J. Wysocki, (Fri Sep 28, 5:31 pm)
Re: 2.6.23-rc8-mm2 - drivers/net/ibm_newemac/mal - broken, Kamalesh Babulal, (Thu Sep 27, 6:52 am)