Re: How to deal with such hanging processes?

["Łukasz Maśko" <masko-/XNhcdyn+gCn9IrpMBEE/Q@public.gmane.org>]

Dnia sobota, 28 stycznia 2012, Jeff Layton napisał:
[...]
> The way to deal with them is to solve the problem that causes them to
> hang in the first place. Once they're stuck like that, there's really
> little you can do until the page lock is released. The messages from
> the ring buffer suggest that the server is sending corrupt replies to
> the requests. A network capture might help confirm that.

It is a bit hard to capture it since it is nondeterministic :-/ I'll try 
anyway.

> Is this the same NAS that requests a maxmpx of 1? If so, the fact that
> cifs sends more than one request a time to this server might be the
> ultimate cause.

It was in another thread for a different NAS, but it seems, that it is the 
same in my case.
 
> Obviously the server should handle that situation without corrupting
> its replies, but cifs is clearly broken in this regard and shouldn't be
> sending more than one request at a time to such a server. I doubt
> there's anything you can do until Steve fixes that bug.

So I'm waiting patiently, that's all I can do :-)

-- 
Łukasz Maśko                                                            _o)
Lukasz.Masko(at)ipipan.waw.pl                                           /\\
Registered Linux User #61028                                           _\_V