Re: init scripts problems ?

denis bonnenfant <[email protected]>
Newsgroups gmane.linux.enbd.general
Message-ID <[email protected]>
Peter T. Breuer wrote:
> "Also sprach denis bonnenfant:"
> 
>>I'm exporting two enbd device on the server, and it seems that enbd init 
>>script is doing something wrong when restarting enbd link  :
> 
> 
> Oh - I've just realized; you must be talking about the 2.6 kernel.
> 
> YES, I recall noticing a self-blocking problem as well in 2.6 - it's not
> me!  The kernel never tells the driver anything about it. 
> 
> It looks to me (when I see it) like the second client can't actually
> open the device until the first client has gone away (but the problem
> condition never arrives at the driver in order to be seen!).  When that
> happens, I do an echo 0 >/proc/nbdinfo and that temporarily downs and
> ups the device, which seems to release whatever is the kernel semaphore
> involved, and lets negotiation proceed.
> 
> This problem needs investigating!  When you have the two clients stuck
> like that please please please get the WCHAN field from ps!  As far as I
> recall, the stuck client is in a semaphore that I don't own!  So what
> can I do?

Ok, just the time to retreive my server system config to a vmware box 
and i will try to reproduce exactly the problems. Just the matter of one 
or two days... As i'm quite busy too !
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