Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752709AbaG0Uhh (ORCPT ); Sun, 27 Jul 2014 16:37:37 -0400 Received: from mail-we0-f175.google.com ([74.125.82.175]:52664 "EHLO mail-we0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752529AbaG0Uhg (ORCPT ); Sun, 27 Jul 2014 16:37:36 -0400 MIME-Version: 1.0 In-Reply-To: References: <20140727083758.GA4834@fancy-poultry.org> Date: Sun, 27 Jul 2014 16:37:35 -0400 Message-ID: Subject: Re: Bug on Kernel 3.16 r6: Sound and Buffering in Clementine with Files are Transferring to Music Directory From: Nick Krause To: htd@fritha.org Cc: "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 27, 2014 at 4:18 PM, Nick Krause wrote: > On Sun, Jul 27, 2014 at 4:37 AM, Heinz Diehl wrote: >> On 27.07.2014, Nick Krause wrote: >> >>> When I transfer a lot of music for a brtfs external hard drive I have the music >>> in clementine I am listening to is stopped for a few seconds and then continues. >> >> Most probably, this is not a bug, but caused by high disk I/O. It's >> not clear to me if the music you are listening to is located on the >> same disk which you transfer to/from. This would make things even >> worse. >> >> However, there are a few thing you can do to try to minimize the observed >> stalls: >> >> 1. Compile your kernel with CONFIG_PREEMPT enabled >> 2. Reduce the amount of memory content sync'ed to disk >> 3. If your disk is a SSD: change the elevator to "noop" >> 4. Enable writeback on your disk >> 5. Increase the disks readahead sectors >> 6. Increase the audio buffers in your player >> >> 1. CONFIG_PREEMPT=y >> >> 2. Sysctl: vm.dirty_ratio = 10 >> vm.dirty_background_ratio = 5 >> >> 3. echo "noop" > /sys/block/sda/queue/scheduler >> >> 4. /sbin/hdparm -W1 /dev/sda >> >> 5. /sbin/blockdev --setra 8192 /dev/sda >> >> Regards, >> Heinz. > Heinz, > The audio buffer is not going to work as this was never a issue with > default Ubuntu kernels. > However I will try your other ideas and report back :). I am > transferring into the same directory > for the music I am listening to. In addition , my cpu usage when doing > this is half of my older > Ubuntu distro kernel, 6 vs 3 percent for upstream. > Cheers Nick Seems to be an issue after updating my settings as stated. I am now using kernel 3.16 r7 as I updated my git tree before compiling my kernel again. Regards Nick -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/