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SubjectRe: NFSv4 poops itself

(please don't drop CC's when you reply to email; you are cutting
relevant people out of the loop)


Marc Dietrich wrote:
> me too, my server has 2.6.18-? (openSUSE 10.2). On the client
> (2.6.23-rc1-mm1), I also see (shortly before the hang)
>
> Jul 26 13:09:19 fb07-iapwap2 kernel: =================================
> Jul 26 13:09:19 fb07-iapwap2 kernel: [ INFO: inconsistent lock state ]
> Jul 26 13:09:19 fb07-iapwap2 kernel: 2.6.23-rc1-mm1 #1
> Jul 26 13:09:19 fb07-iapwap2 kernel: ---------------------------------
> Jul 26 13:09:19 fb07-iapwap2 kernel: inconsistent {softirq-on-W} ->
> {in-softirq-W} usage.
> Jul 26 13:09:19 fb07-iapwap2 kernel: hald/3873 [HC0[0]:SC1[1]:HE1:SE0] takes:
> Jul 26 13:09:19 fb07-iapwap2 kernel: (rpc_credcache_lock){-+..}, at:
> [<c01dc166>] _atomic_dec_and_lock+0x16/0x60
> Jul 26 13:09:19 fb07-iapwap2 kernel: {softirq-on-W} state was registered at:
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c013d4f7>] mark_lock+0x77/0x630
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c013c094>] add_lock_to_list+0x44/0xc0
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c013e8af>]
> __lock_acquire+0x65f/0x1020
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c013db0e>] mark_held_locks+0x5e/0x80
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c012448d>] local_bh_enable+0x7d/0x130
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c013f2cf>] lock_acquire+0x5f/0x80
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c01dc166>]
> _atomic_dec_and_lock+0x16/0x60
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c02d156a>] _spin_lock+0x2a/0x40
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c01dc166>]
> _atomic_dec_and_lock+0x16/0x60
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c01dc166>]
> _atomic_dec_and_lock+0x16/0x60
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<c02d156a>] _spin_lock+0x2a/0x40
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<dcecf770>] put_rpccred+0x60/0x110
> [sunrpc]
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<dcecf840>]
> rpcauth_unbindcred+0x20/0x60 [sunrpc]
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<dcece1f4>] rpc_put_task+0x44/0xb0
> [sunrpc]
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<dcec8ffd>] rpc_call_sync+0x2d/0x40
> [sunrpc]
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<dced680d>] rpcb_register+0x10d/0x1c0
> [sunrpc]
> Jul 26 13:09:19 fb07-iapwap2 kernel: [<dced06ef>] svc_register+0x8f/0x160
> [sunrpc]
[continues]

That's quite interesting. I wonder if I enable lock debugging and
tracing, if new stuff will appear.

Jeff


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