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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Anton Blanchard <anton@samba.org>
Cc: netdev@vger.kernel.org
Subject: Re: Warning in net/ipv4/af_inet.c:154
Date: Tue, 25 May 2010 17:27:09 +0200	[thread overview]
Message-ID: <1274801229.5020.80.camel@edumazet-laptop> (raw)
In-Reply-To: <20100525115813.GA28063@kryten>

Le mardi 25 mai 2010 à 21:58 +1000, Anton Blanchard a écrit :
> Hi,
> 
> A build from last night (2.6.34-git9) is hitting the following WARN_ON on
> a ppc64 box:
> 
> Badness at net/ipv4/af_inet.c:154
> 
> NIP [c00000000062b034] .inet_sock_destruct+0x1b0/0x1f0
> LR [c0000000005b376c] .__sk_free+0x58/0x154
> Call Trace:
> [c000000000088c0c] .__local_bh_disable+0xdc/0xfc (unreliable)
> [c0000000005b376c] .__sk_free+0x58/0x154
> [c0000000005b3978] .sk_free+0x4c/0x60
> [c0000000005b3ab4] .sk_common_release+0x128/0x148
> [c00000000061da44] .udp_lib_close+0x28/0x40
> [c00000000062a990] .inet_release+0xd0/0xf8
> [c0000000005adbf8] .sock_release+0x60/0xec
> [c0000000005adcd0] .sock_close+0x4c/0x6c
> [c000000000186554] .__fput+0x184/0x270
> [c00000000018668c] .fput+0x4c/0x60
> [c000000000182248] .filp_close+0xc8/0xf4
> [c0000000000826d4] .put_files_struct+0xc8/0x158
> [c0000000000827d4] .exit_files+0x70/0x8c
> [c0000000000848cc] .do_exit+0x2c8/0x82c
> [c000000000084efc] .do_group_exit+0xcc/0x100
> [c000000000084f5c] .SyS_exit_group+0x2c/0x48
> [c000000000008554] syscall_exit+0x0/0x40
> 
> Which is:
> 
>         WARN_ON(sk->sk_forward_alloc);
> 

Yes, the infamous one :)

Is it reproductible ? What kind of workload is it ?
What is the NIC involved ?




  reply	other threads:[~2010-05-25 15:31 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-25 11:58 Warning in net/ipv4/af_inet.c:154 Anton Blanchard
2010-05-25 15:27 ` Eric Dumazet [this message]
2010-05-26  3:19   ` Anton Blanchard
2010-05-26  5:18     ` Eric Dumazet
2010-05-26  7:56     ` David Miller
2010-05-26 10:12       ` Eric Dumazet
2010-05-27  3:56         ` Anton Blanchard
2010-05-27  4:06           ` David Miller
2010-05-27  4:21             ` Eric Dumazet
2010-05-27  4:18           ` Eric Dumazet
2010-05-27  4:21             ` David Miller
2010-05-27  5:06               ` [PATCH] net: fix lock_sock_bh/unlock_sock_bh Eric Dumazet
2010-05-27  5:20                 ` Eric Dumazet
2010-05-27  5:23                   ` David Miller
2010-05-27  6:09                     ` Anton Blanchard
2010-05-27  7:29                       ` David Miller
2010-05-29  7:21         ` Warning in net/ipv4/af_inet.c:154 David Miller
2010-05-31 16:02           ` [PATCH] net: sock_queue_err_skb() dont mess with sk_forward_alloc Eric Dumazet
2010-06-01  6:44             ` David Miller

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