Re: NFSv4 poops itself

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(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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