linux-kernel - Re: WARNING: at net/ipv4/af_inet.c:154 inet_sock

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Message-ID: <38b2ab8a0910300144i7a3c190fi9aa3d079c9cdb754@mail.gmail.com>
Date:	Fri, 30 Oct 2009 09:44:19 +0100
From:	Francis Moreau <francis.moro@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Netdev List <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: WARNING: at net/ipv4/af_inet.c:154 inet_sock_destruct

Hello Eric,

It seems I still have a related bug, please have a look to the following oops.

This happened on a 2.6.32-rc5 where your patch is included.

[107304.558821] nfsd: last server has exited, flushing export cache
[107304.558848] ------------[ cut here ]------------
[107304.558858] WARNING: at net/ipv4/af_inet.c:153
inet_sock_destruct+0x161/0x17c()
[107304.558862] Hardware name: P5K-VM
[107304.558865] Modules linked in: kvm_intel kvm jfs loop nfsd lockd
nfs_acl auth_rpcgss exportfs sunrpc [last unloaded: microcode]
[107304.558889] Pid: 8198, comm: nfsd Tainted: G   M       2.6.32-rc5 #25
[107304.558892] Call Trace:
[107304.558899]  [<ffffffff81429f19>] ? inet_sock_destruct+0x161/0x17c
[107304.558907]  [<ffffffff810487e9>] warn_slowpath_common+0x7c/0xa9
[107304.558914]  [<ffffffff8104882a>] warn_slowpath_null+0x14/0x16
[107304.558920]  [<ffffffff81429f19>] inet_sock_destruct+0x161/0x17c
[107304.558927]  [<ffffffff813c8741>] __sk_free+0x23/0xe7
[107304.558933]  [<ffffffff813c8881>] sk_free+0x1f/0x21
[107304.558939]  [<ffffffff813c894b>] sk_common_release+0xc8/0xcd
[107304.558944]  [<ffffffff81420b59>] udp_lib_close+0xe/0x10
[107304.558951]  [<ffffffff814299bf>] inet_release+0x55/0x5c
[107304.558957]  [<ffffffff813c5aa9>] sock_release+0x1f/0x71
[107304.558962]  [<ffffffff813c5b22>] sock_close+0x27/0x2b
[107304.558968]  [<ffffffff810eb60f>] __fput+0xfb/0x1c0
[107304.558973]  [<ffffffff810eb6f1>] fput+0x1d/0x1f
[107304.558995]  [<ffffffffa0013e23>] svc_sock_free+0x40/0x56 [sunrpc]
[107304.559018]  [<ffffffffa001f392>] svc_xprt_free+0x43/0x53 [sunrpc]
[107304.559038]  [<ffffffffa001f34f>] ? svc_xprt_free+0x0/0x53 [sunrpc]
[107304.559048]  [<ffffffff811d9275>] kref_put+0x43/0x4f
[107304.559069]  [<ffffffffa001e67a>] svc_close_xprt+0x55/0x5e [sunrpc]
[107304.559088]  [<ffffffffa001e6d3>] svc_close_all+0x50/0x69 [sunrpc]
[107304.559107]  [<ffffffffa0012a2b>] svc_destroy+0x9e/0x142 [sunrpc]
[107304.559126]  [<ffffffffa0012b88>] svc_exit_thread+0xb9/0xc2 [sunrpc]
[107304.559138]  [<ffffffffa008981b>] ? nfsd+0x0/0x13f [nfsd]
[107304.559149]  [<ffffffffa0089940>] nfsd+0x125/0x13f [nfsd]
[107304.559157]  [<ffffffff810685e3>] kthread+0x82/0x8a
[107304.559164]  [<ffffffff8100c13a>] child_rip+0xa/0x20
[107304.559172]  [<ffffffff8100baad>] ? restore_args+0x0/0x30
[107304.559179]  [<ffffffff81068561>] ? kthread+0x0/0x8a
[107304.559185]  [<ffffffff8100c130>] ? child_rip+0x0/0x20
[107304.559191] ---[ end trace c107131f4762168c ]---
[107304.927931] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state
recovery directory
[107304.932765] NFSD: starting 90-second grace period

-- 
Francis
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