From: Ramon van Alteren <ramon@vanalteren.nl>
Subject: Soft CPU Lockup on 2.6.15 with kernel nfsd
Date: Sat, 27 May 2006 22:39:57 +0200
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Hi List,

I'm seeing several of these in my dmesg output on one of my NAS servers.
Any pointers on where to start looking for a cause would be highly  
appreciated.

Pid: 7122, comm:                 nfsd
EIP: 0060:[<c057fe43>] CPU: 0
EIP is at _read_lock_bh+0x12/0x1a
EFLAGS: 00000216    Not tainted  (2.6.15-gentoo-r1)
EAX: c069980c EBX: 00000000 ECX: f7ece000 EDX: f6100000
ESI: c06997e0 EDI: ef7b4020 EBP: c0785b80 DS: 007b ES: 007b
CR0: 8005003b CR2: 08056f98 CR3: 0073b000 CR4: 000006d0
[<c05101c6>] ipt_do_table+0x6a/0x326
[<c050a335>] ip_conntrack_in+0xd2/0x2c7
[<c04d1fde>] ip_rcv_finish+0x0/0x2ba
[<c051365b>] ipt_route_hook+0x37/0x3b
[<c04c90ef>] nf_iterate+0x6f/0x87
[<c04d1fde>] ip_rcv_finish+0x0/0x2ba
[<c04d1fde>] ip_rcv_finish+0x0/0x2ba
[<c04c9172>] nf_hook_slow+0x6b/0x10d
[<c04d1fde>] ip_rcv_finish+0x0/0x2ba
[<c04d1cc4>] ip_rcv+0x460/0x57e
[<c04d1fde>] ip_rcv_finish+0x0/0x2ba
[<c04b5c93>] netif_receive_skb+0x147/0x1c3
[<c03efd98>] tg3_rx+0x2ed/0x3d4
[<c03efede>] tg3_poll+0x5f/0x14e
[<c04b5e89>] net_rx_action+0x77/0xfe
[<c01249b7>] __do_softirq+0xbf/0xd1
[<c01249fb>] do_softirq+0x32/0x34
[<c0105242>] do_IRQ+0x1e/0x24
[<c010377e>] common_interrupt+0x1a/0x20
[<c057fe8f>] _spin_lock+0x3/0xf
[<c0177c23>] dput+0x33/0x1cb
[<c02217ee>] fh_put+0x113/0x186
[<c022e957>] nfs3svc_release_fhandle2+0x24/0x31
[<c05756ef>] svc_process+0x42e/0x643
[<c021ed92>] nfsd+0x1b4/0x345
[<c021ebde>] nfsd+0x0/0x345
[<c0101125>] kernel_thread_helper+0x5/0xb
RPC: bad TCP reclen 0x0ddc8af7 (large)
RPC: bad TCP reclen 0x272d2e25 (non-terminal)
RPC: bad TCP reclen 0x46c6f2c8 (large)
BUG: soft lockup detected on CPU#0!

Thanx Ramon

--
If to err is human, I'm most certainly human.





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