Re: ARM imx.6 SATA speed regression

2017-02-08 Thread Dan MacDonald
mes and all the results were all around 90 MB/s. I have no idea what caused those results to be so far below the norm. If I discover what the cause was I'll let you know but otherwise I'm sorry about the noise! Dan On Wed, Feb 8, 2017 at 6:38 PM, Dan MacDonald wrote: > Hi Gary > &

Re: ARM imx.6 SATA speed regression

2017-02-08 Thread Dan MacDonald
more. Thanks On Wed, Feb 8, 2017 at 5:48 PM, Gary Bisson wrote: > Hi Dan, > > On Tue, Feb 07, 2017 at 05:02:40PM +, Dan MacDonald wrote: >> Thankfully there is an archive of older Arch ARM packages which should >> reduce the amount amount of bisection / compiling I may

Re: ARM imx.6 SATA speed regression

2017-02-07 Thread Dan MacDonald
, Dan MacDonald wrote: > This is one of the cross-compilation guides I tried and failed to get to work. > > https://archlinuxarm.org/wiki/Distcc_Cross-Compiling > > It's been a year or two since I last tried to get distcc working. I > followed all those instructions but p

Re: ARM imx.6 SATA speed regression

2017-02-07 Thread Dan MacDonald
t remember what other guides I tried but that one was the most directly relevant and most likely to work as I use Arch on all my machines, x86 and ARM. On Tue, Feb 7, 2017 at 3:18 PM, Dan MacDonald wrote: > Hi Fabio > > I've never used bisect before and I have thusfar failed to get AR

Re: ARM imx.6 SATA speed regression

2017-02-07 Thread Dan MacDonald
4.9.8 to understand > where this performance regression come from? > > ____ > From: Dan MacDonald > Sent: Tuesday, February 7, 2017 12:31:10 PM > To: linux-kernel@vger.kernel.org > Cc: Gary Bisson; Fabio Estevam; shawn...@kernel.org; t...@kernel.org &

Re: ARM imx.6 SATA speed regression

2017-02-07 Thread Dan MacDonald
(Fake) Reply to CC in relevant people.

ARM imx.6 SATA speed regression

2017-02-07 Thread Dan MacDonald
Hi LKML I recently got a SABRE Lite, iMX.6q based SBC. I bought this board over the RPi3, for example, because I wanted SATA and open source graphics drivers via etnaviv / armada. Under Arch Linux ARM with Linux 4.9.0, hdparm said I was getting an average of ~120 MB/s buffered disk read speed. Af