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Re: copying to xfs causes cp to go to sleep

To: Andi Kleen <ak@xxxxxxx>
Subject: Re: copying to xfs causes cp to go to sleep
From: Bernd Markgraf <markgraf@xxxxxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 1 Apr 2000 15:58:27 +0200 (MET DST)
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <20000401144205.A31235@gruyere.muc.suse.de>
Sender: owner-linux-xfs@xxxxxxxxxxx
hi again,

> > How many files are we talking about here? I regularly copy kernel trees
roughly 8000 files we're talking about. size some bytes to 400MB.

> > into XFS. Is it possible that if you multiply the number of files you
> > have in your directory by 64K you get close to filling the 1Gbyte?
nope... i should be able to copy like 16000 file to that partition, so i'm
nowhere near this limit.

> > Did you compile with CONFIG_PAGE_BUF_META turned on? You could try running
> > without it - all the hard hangs I have seen have had this enabled.
nope, # CONFIG_PAGE_BUF_META is not set
 
> > Also, do you have 1 cpu or more in your box?
just one 266mhz pII
 
> It just oopsed in the rfc cp with a NULL pointer dereference in sys_open.
> Should be reproducable (it is here at least) 
just building a kernel with kdb-support and check this out...


  berny
--
Death is happy, death is cool       
Death can be a useful tool         
Use a gun or use a knife          
Death can really change your life    
_________________________________________________________________________
Bernd Markgraf                            Otto-von-Guericke-Universitaet
markgraf@xxxxxxxxxxxxxxxxxxxxxxxx         Magdeburg
http://www.cs.uni-magdeburg.de/~markgraf  Germany


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