10 Jan
2015
10 Jan
'15
7:51 p.m.
Hello
I am an Ubuntu 12.04 user in an 7yr old laptop.
At this moment I urge a hardware improvement for my work which is: sound
synthesis and processing controlled by external data via USB (kinect sensor
and customa arduino based sensors) and WiFi (osc data).
So i have to make an investment in a powerful laptop with the proper
configuration for my needs which could be translated into:
* very powerful processor for the dsp algorithms
* 3+ usb ports (not hubs) so i can connect the external sensors and an
external soundcard
* a good wireless card that would not use any resources from the main
processor
* a video card that would not interfere with the main processor
Although I think i know the basic needs, I can not name the manufacturers
or models of the processor, board, video and wireless card that would make
my system work the best.
It would be of great help if you could help me choose these elements based
on your positive experience on any of them and even more it would be great
if you could recommend a specific commercial laptop that could have these
features/elements already packed.
Thanks for your help
Daniel
10 Jan
10 Jan
9:37 p.m.
On Sat, 10 Jan 2015 19:51:50 +0100, daniel gomez wrote:
a video card that would not interfere with the main
processor
and RAM, resp. that doesn't share the IRQ with any of the ports you
want to use. An issue is that newer kernels allocate an individual IRQ
to the graphics, while it still might use the same
"whatsoever" (perhaps data bus).
With older kernels my graphics shares the IRQ with one of my sound
cards, with newer kernels, both have their own IRQ, but seemingly that
is less important, there are still tons of xruns, so I suspect that
it's more important that both seemingly share the same
"whatsoever" (perhaps data bus).
I experience this with a tower PC, not with a laptop.
10:22 p.m.
On 01/10/2015 08:51 AM, daniel gomez wrote:
Hello
I am an Ubuntu 12.04 user in an 7yr old laptop.
At this moment I urge a hardware improvement for my work which is: sound
synthesis and processing controlled by external data via USB (kinect
sensor and customa arduino based sensors) and WiFi (osc data).
So i have to make an investment in a powerful laptop with the proper
configuration for my needs which could be translated into:
* very powerful processor for the dsp algorithms
* 3+ usb ports (not hubs) so i can connect the external sensors and an
external soundcard
* a good wireless card that would not use any resources from the main
processor
* a video card that would not interfere with the main processor
I have System76 Gazelle Pro 9 laptop. Uses Intel 2.4GHz i7 Haswell
processor, has 4 USB ports (2 USB3, 2 USB2, don't know about its hub
setup inside). I don't use wireless on it (when I'm at home, I use
wired; when mobile, I'm just recording). It has Intel HD4600 video that
doesn't seem to interfere with anything.
Although I think i know the basic needs, I can not
name the
manufacturers or models of the processor, board, video and wireless card
that would make my system work the best.
Only reason I'd avoid the Gazelle Pro 9 now is that the keyboard is not
good at all. It seems to be very sensitive to the angle at which you
strike a key; strike it just a little off center or at a bit of an angle
and it doesn't pick up the keystroke. Its keyboard is about 2/3 the
width of my favorite clicky IBM AT keyboard. The spacing of the keys
seems just a bit off, it's very easy to strike between the keys ...
There are a lot of complaints about the keyboard on the System76 support
forum, which I didn't look at before I bought the machine.
It would be of great help if you could help me choose
these elements
based on your positive experience on any of them and even more it would
be great if you could recommend a specific commercial laptop that could
have these features/elements already packed.
When I was looking to replace my previous laptop, folk on the list here
frequently recommended Lenovo laptops.
Thanks for your help
Daniel
--
David W. Jones
gnome(a)hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
12 Jan
12 Jan
1:33 p.m.
Hey guys thanks for your answers.
I have taken a very close look at the System76 and Think Penguin laptops
and they seem to be good candidates.
The problem about those is that I live in Europe and there is a high tax
for overseas computers purchases.
In this context, an extra question for this post is if there are any europe
based companies packing up robust linux laptops. I have made my search but
have not found any companies of the sort of S76 or TP and it is a bit
frustrating.
Thanks again
Daniel
El 10/01/2015 16:22, "david" <gnome(a)hawaii.rr.com> escribió:
On 01/10/2015 08:51 AM, daniel gomez wrote:
Hello
I am an Ubuntu 12.04 user in an 7yr old laptop.
At this moment I urge a hardware improvement for my work which is: sound
synthesis and processing controlled by external data via USB (kinect
sensor and customa arduino based sensors) and WiFi (osc data).
So i have to make an investment in a powerful laptop with the proper
configuration for my needs which could be translated into:
* very powerful processor for the dsp algorithms
* 3+ usb ports (not hubs) so i can connect the external sensors and an
external soundcard
* a good wireless card that would not use any resources from the main
processor
* a video card that would not interfere with the main processor
I have System76 Gazelle Pro 9 laptop. Uses Intel 2.4GHz i7 Haswell
processor, has 4 USB ports (2 USB3, 2 USB2, don't know about its hub setup
inside). I don't use wireless on it (when I'm at home, I use wired; when
mobile, I'm just recording). It has Intel HD4600 video that doesn't seem to
interfere with anything.
Although I think i know the basic needs, I can not name the
manufacturers or models of the processor, board,
video and wireless card
that would make my system work the best.
Only reason I'd avoid the Gazelle Pro 9 now is that the keyboard is not
good at all. It seems to be very sensitive to the angle at which you strike
a key; strike it just a little off center or at a bit of an angle and it
doesn't pick up the keystroke. Its keyboard is about 2/3 the width of my
favorite clicky IBM AT keyboard. The spacing of the keys seems just a bit
off, it's very easy to strike between the keys ... There are a lot of
complaints about the keyboard on the System76 support forum, which I didn't
look at before I bought the machine.
It would be of great help if you could help me choose these elements
based on your positive experience on any of them
and even more it would
be great if you could recommend a specific commercial laptop that could
have these features/elements already packed.
When I was looking to replace my previous laptop, folk on the list here
frequently recommended Lenovo laptops.
Thanks for your help
Daniel
--
David W. Jones
gnome(a)hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user(a)lists.linuxaudio.org
http://lists.linuxaudio.org/listinfo/linux-audio-user
1:42 p.m.
On Mon, Jan 12, 2015 at 12:33 PM, daniel gomez <danielgomezmarin(a)gmail.com>
wrote:
if there are any europe based companies packing up
robust linux laptop
http://www.bto.eu
This company (based in NL) "Build To Order". I don't know if they
explicitly support linux OOTB, but with care I think its possible to build
a system supported by 100% floss.
I have not bought or had any direct dealings with this company, and I
suggest investigating / asking existing-customers about their products
before buying.
Cheers, -Harry
--
http://www.openavproductions.com
2:24 p.m.
On 01/12/2015 01:42 PM, Harry van Haaren wrote:
http://www.bto.eu
This company (based in NL) "Build To Order". I don't know if they
explicitly support linux OOTB, but with care I think its possible to build
a system supported by 100% floss.
I have not bought or had any direct dealings with this company, and I
suggest investigating / asking existing-customers about their products
before buying.
Cheers, -Harry
BTO doesn't explicitly support Linux but my BTO works great with Linux,
not a single unsupported component. BTO uses Clevo housings (I think
System76 does so too) with a modular approach for the internal
components. This allows you to select the components you wish. Another
big pro for me is their customer service. I once had a small issue with
the keyboard, drove up to their office and had it replaced within 45
minutes for free. Now try that with the big players.
Jeremy
13 Jan
13 Jan
7:30 a.m.
On 01/12/2015 03:24 AM, Jeremy Jongepier wrote:
On 01/12/2015 01:42 PM, Harry van Haaren wrote:
Wish I could do that with this Gazelle Pro. The Keyboard is really annoying.
--
David W. Jones
gnome(a)hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
http://www.bto.eu
This company (based in NL) "Build To Order". I don't know if they
explicitly support linux OOTB, but with care I think its possible to build
a system supported by 100% floss.
I have not bought or had any direct dealings with this company, and I
suggest investigating / asking existing-customers about their products
before buying.
Cheers, -Harry
BTO doesn't explicitly support Linux but my BTO works great with Linux,
not a single unsupported component. BTO uses Clevo housings (I think
System76 does so too) with a modular approach for the internal
components. This allows you to select the components you wish. Another
big pro for me is their customer service. I once had a small issue with
the keyboard, drove up to their office and had it replaced within 45
minutes for free. Now try that with the big players.
5:42 p.m.
Thanks a lot Harry and Jeremy for the lead
it seems like in BTO I can find what i'm needing.
2015-01-13 7:30 GMT+01:00 david <gnome(a)hawaii.rr.com>om>:
On 01/12/2015 03:24 AM, Jeremy Jongepier wrote:
On 01/12/2015 01:42 PM, Harry van Haaren wrote:
Wish I could do that with this Gazelle Pro. The Keyboard is really
annoying.
--
David W. Jones
gnome(a)hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user(a)lists.linuxaudio.org
http://lists.linuxaudio.org/listinfo/linux-audio-user
http://www.bto.eu
This company (based in NL) "Build To Order". I don't know if they
explicitly support linux OOTB, but with care I think its possible to
build
a system supported by 100% floss.
I have not bought or had any direct dealings with this company, and I
suggest investigating / asking existing-customers about their products
before buying.
Cheers, -Harry
BTO doesn't explicitly support Linux but my BTO works great with Linux,
not a single unsupported component. BTO uses Clevo housings (I think
System76 does so too) with a modular approach for the internal
components. This allows you to select the components you wish. Another
big pro for me is their customer service. I once had a small issue with
the keyboard, drove up to their office and had it replaced within 45
minutes for free. Now try that with the big players.
16 Jan
16 Jan
10:59 a.m.
Hello
Continuing this thread of a laptop config, is there any advice on either of
these wireless card's performance with linux and specifically with their
possible interference with audio:
intel dual band wireless-AC 7260+bluetooth
and
intel single band wireless-N 7260+bluetooth
Thanks!
Daniel
2015-01-13 17:42 GMT+01:00 daniel gomez <danielgomezmarin(a)gmail.com>om>:
Thanks a lot Harry and Jeremy for the lead
it seems like in BTO I can find what i'm needing.
2015-01-13 7:30 GMT+01:00 david <gnome(a)hawaii.rr.com>om>:
On 01/12/2015 03:24 AM, Jeremy Jongepier wrote:
On 01/12/2015 01:42 PM, Harry van Haaren wrote:
Wish I could do that with this Gazelle Pro. The Keyboard is really
annoying.
--
David W. Jones
gnome(a)hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user(a)lists.linuxaudio.org
http://lists.linuxaudio.org/listinfo/linux-audio-user
http://www.bto.eu
This company (based in NL) "Build To Order". I don't know if they
explicitly support linux OOTB, but with care I think its possible to
build
a system supported by 100% floss.
I have not bought or had any direct dealings with this company, and I
suggest investigating / asking existing-customers about their products
before buying.
Cheers, -Harry
BTO doesn't explicitly support Linux but my BTO works great with Linux,
not a single unsupported component. BTO uses Clevo housings (I think
System76 does so too) with a modular approach for the internal
components. This allows you to select the components you wish. Another
big pro for me is their customer service. I once had a small issue with
the keyboard, drove up to their office and had it replaced within 45
minutes for free. Now try that with the big players.
11:11 a.m.
On 01/16/2015 10:59 AM, daniel gomez wrote:
Hello
Continuing this thread of a laptop config, is there any advice on either of
these wireless card's performance with linux and specifically with their
possible interference with audio:
intel dual band wireless-AC 7260+bluetooth
and
intel single band wireless-N 7260+bluetooth
Thanks!
Daniel
Hello Daniel,
I'm currently using the intel dual band wireless-AC 7260+bluetooth so
I'll have to check. With the original PCIe (an Intel Centrino card) card
I did have issues:
http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook
Jeremy
11:43 a.m.
Thanks a lot Jeremy for your post, it seems as a good guide to follow.
Two extra questions: Have you managed to eliminate the xruns from the
onboard sound?
Is it possible to shut down the bluetooth and not the wireless to avoid
this bottleneck you mention?
Daniel
2015-01-16 11:11 GMT+01:00 Jeremy Jongepier <jeremy(a)autostatic.com>om>:
On 01/16/2015 10:59 AM, daniel gomez wrote:
Hello
Continuing this thread of a laptop config, is there any advice on either
of
these wireless card's performance with linux
and specifically with their
possible interference with audio:
intel dual band wireless-AC 7260+bluetooth
and
intel single band wireless-N 7260+bluetooth
Thanks!
Daniel
Hello Daniel,
I'm currently using the intel dual band wireless-AC 7260+bluetooth so
I'll have to check. With the original PCIe (an Intel Centrino card) card
I did have issues:
http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook
Jeremy
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user(a)lists.linuxaudio.org
http://lists.linuxaudio.org/listinfo/linux-audio-user
17 Jan
17 Jan
1:14 p.m.
On Fri, 16 Jan 2015 11:11:40 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
I'm currently using the intel dual band
wireless-AC 7260+bluetooth so
I'll have to check. With the original PCIe (an Intel Centrino card)
card I did have issues:
http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook
Please do, as I have the same problem with an atheros wifi/bluetooth
adapter on my asus laptop. Wanted to replace it with an intel centrino
advanced-n 6235, but if that's a borked hardware/driver combo too, then
there's little point in doing so (except to get better wifi).
Was hoping to use a bluetooth mouse with the laptop in future.
--
Joakim
4:47 p.m.
On Sat, 17 Jan 2015, Joakim Hernberg wrote:
On Fri, 16 Jan 2015 11:11:40 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
The Atheros seems to be really bad. Once the module has been started, even
powering the WIFI off does not stop xruns I had to unload the kernel
module.
I'm currently using the intel dual band
wireless-AC 7260+bluetooth so
I'll have to check. With the original PCIe (an Intel Centrino card)
card I did have issues:
http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook
Please do, as I have the same problem with an atheros wifi/bluetooth adapter on my asus laptop. Wanted to replace it with
an intel centrino
advanced-n 6235, but if that's a borked hardware/driver combo too, then
there's little point in doing so (except to get better wifi).
Was hoping to use a bluetooth mouse with the laptop in future.
I can't help with the blue tooth (batteries annoy me), but the one sure
way to use WIFI with no xruns is to use a WIFI "range extender" with an
ethernet port. Often the repeater can be turned off. These are basically
an AP in client mode, but cheaper. There are some APs that will do client
mode, but more that will not. I always look for WIFI APs in the garbage as
they generally work just fine. I use a range extender here for my son's
computer and it is very stable. The only problem with the one I have is
that it is AC only. If you need battery powered (I hate batteries) look
for one that uses a wall wart and replace that with a battery pack. Though
I would assume you laptop gets AC at a gig anyway.
I think that WIFI cards have followed the same path as modems did in years
past, they started as a separate unit, but have started offloading
processing to the main CPU so the WIFI card itself can be cheaper. To
research the good ones, the place to start might be with the
driver/module. With modems I had to go external, it may be the same way
with wifi. The upside of external is that one extender (mine needs a
switch) can deal with a number of boxes that need network.
--
Len Ovens
www.ovenwerks.net
5:18 p.m.
On Sat, 17 Jan 2015 07:47:44 -0800 (PST)
Len Ovens <len(a)ovenwerks.net> wrote:
On Sat, 17 Jan 2015, Joakim Hernberg wrote:
Well once I blacklist the bt driver ath3k, the laptop works fine for
usb lowlatency audio even with wifi enabled, but the wifi sucks real bad
(signal wise). So ideally i'd like to get a better wifi chip, and a bt
that i can use without destroying any chance at low latency audio. But
if not possible I'll just get a good wifi and leave bt disabled.
Sadly enough all 4 external usb ports are connected to the same hub,
but luckily enough it appears that low latency usb audio still works
even with a logitech mouse attached to the same hub.
--
Joakim
On Fri, 16 Jan 2015 11:11:40 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
The Atheros seems to be really bad. Once the module has been started,
even powering the WIFI off does not stop xruns I had to unload the
kernel module. I'm currently using the intel dual band
wireless-AC 7260+bluetooth
so I'll have to check. With the original PCIe (an Intel Centrino
card) card I did have issues:
http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook
Please do, as I have the same problem with an atheros wifi/bluetooth
7:11 p.m.
On 01/17/2015 01:14 PM, Joakim Hernberg wrote:
Wanted to replace it with an intel centrino
advanced-n 6235
That's exactly the card that was originally shipped with my BTO notebook
and that caused me some headaches to tame. Even if the 7260 series would
have issues too I'd go for the 7260-AC variant and not an N variant so
you're set for any future wireless router upgrades ;)
Jeremy
10:01 p.m.
On 01/17/2015 01:14 PM, Joakim Hernberg wrote:
On Fri, 16 Jan 2015 11:11:40 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
Tested with the 7260-AC combo card. Exact same issue :( I can't go below
-p128 with the onboard sound card, then I immediately get burst of xruns.
Jeremy
I'm currently using the intel dual band
wireless-AC 7260+bluetooth so
I'll have to check. With the original PCIe (an Intel Centrino card)
card I did have issues:
http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook
Please do, as I have the same problem with an atheros wifi/bluetooth
adapter on my asus laptop. Wanted to replace it with an intel centrino
advanced-n 6235, but if that's a borked hardware/driver combo too, then
there's little point in doing so (except to get better wifi).
Was hoping to use a bluetooth mouse with the laptop in future.
18 Jan
18 Jan
7:52 a.m.
On 01/17/2015 11:01 AM, Jeremy Jongepier wrote:
On 01/17/2015 01:14 PM, Joakim Hernberg wrote:
Just a wild guess, based on my discovery that the web cam in my laptop
is a USB device. Is it possibly your onboard audio is ALSO a USB device?
--
David W. Jones
gnome(a)hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
On Fri, 16 Jan 2015 11:11:40 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
Tested with the 7260-AC combo card. Exact same issue :( I can't go below
-p128 with the onboard sound card, then I immediately get burst of xruns.
Jeremy I'm currently using the intel dual band
wireless-AC 7260+bluetooth so
I'll have to check. With the original PCIe (an Intel Centrino card)
card I did have issues:
http://linux.autostatic.com/2013/12/29/resolved-jack-issues-on-notebook
Please do, as I have the same problem with an atheros wifi/bluetooth
adapter on my asus laptop. Wanted to replace it with an intel centrino
advanced-n 6235, but if that's a borked hardware/driver combo too, then
there's little point in doing so (except to get better wifi).
Was hoping to use a bluetooth mouse with the laptop in future.
12:06 p.m.
On Sat, 17 Jan 2015 22:01:11 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
Tested with the 7260-AC combo card. Exact same issue
:( I can't go
below -p128 with the onboard sound card, then I immediately get burst
of xruns.
Oh well scratch that plan then :)
I think I'll get an intl anyways, as they seem quite good for wifi
itself. Really the only reason for BT would have been for using it
with a mouse.
--
Joakim
12:06 p.m.
On Sat, 17 Jan 2015 22:01:11 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
Tested with the 7260-AC combo card. Exact same issue
:( I can't go
below -p128 with the onboard sound card, then I immediately get burst
of xruns.
Forgot to say, thanks for testing!
--
Joakim
12:13 p.m.
On Sat, 17 Jan 2015 22:01:11 +0100
Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
Tested with the 7260-AC combo card. Exact same issue
:( I can't go
below -p128 with the onboard sound card, then I immediately get burst
of xruns.
Actually reading what you wrote, I wonder if the onboard card problem
is something else. Does the Intel BT also interfere with USB low
latency audio, which is the datum that I was interested in :)
--
Joakim
12:32 p.m.
On 01/18/2015 12:13 PM, Joakim Hernberg wrote:
Does the Intel BT also interfere with USB low
latency audio, which is the datum that I was interested in :)
Yes it most certainly does with the 6235 Centrino card. I fear same goes
for the 7260 cards but to be sure I'll test it.
Jeremy
3394
days inactive
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linux-audio-user@lists.linuxaudio.org
20 comments
7 participants
participants (7)
-
daniel gomez -
david -
Harry van Haaren -
Jeremy Jongepier -
Joakim Hernberg -
Len Ovens -
Ralf Mardorf