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Date:	Mon, 28 Jul 2014 11:54:42 +0200
From:	Heinz Diehl <>
Subject: Re: Bug on Kernel 3.16 r6: Sound and Buffering in Clementine with
 Files are Transferring to Music Directory

First: my email you are quoting here was sent to you directly, off-list,
because it only contains common stuff and has nothing to do with
kernel development. In other words to avoid annoying lkml people. 
In addition, I placed an "Reply-to" header pointing back to me. 
Despite, you *manually* redirected your answer to my private mail 
back to the list, thus annoying people and breaking the informational
flow of this thread.

On 27.07.2014, Nick Krause wrote: 

> I am transferring into the same directory for the music 
> I am listening to.

So you produce a lot of disk I/O by writing/reading from the same disk
at the same time, and as you encounter stalls, you take this for a
kernel bug (which clearly is not). These stalls are most probably
caused by fsync() flushing your data/buffers, which is blocking.

So moving the music data you are listening to to another disk would
make things a lot easier.

> In addition , my cpu usage when doing this is half of my older

DMA transfer is mostly done be the controller itself, and not the CPU.

Btw, EOT for me.

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