[nfs] process locks in "bo_wwait" on 6.4

[Attilio Rao]

2009/6/29 pluknet <pluknet at gmail.com>:
> 2009/6/26 pluknet <pluknet at gmail.com>:
>> 2009/6/26 pluknet <pluknet at gmail.com>:
>>> Hello.
>>>
>>> While building a module on nfs mounted /usr/src
>>> I got an unkillable process waiting forever in bo_wwait.
>>
>> Small note: iface on NFS server has mtu changed from 1500 to 1450.
>> Can this be a source of the problem?
>
> This is 100% reproducible. Lock in the same place. Any hints?

Can you also show the value of ps?
A precise map of what processes are doing would give an help.
Also would be useful to printout traces for other threads and not only
the stucked one.

Thanks,
Attilio


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