[beagleboard] Cape manager for DT changesets?

[Richard Weinberger]

Hi!

As support for DT changesets is now mainline I'm wonders what will happen
to the cape manager.
Are there plans to have something like that mainline too?

-- 
Thanks,
//richard

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Re: [beagleboard] Beaglebone Black Ethernet Phy Not Detected on Boot.

[Ulrich Seidel]

Is there a finished flash-image available, which fixes the sw issues?  (I 
wont solder on my board so there must be a sw only solution!)

So i'm still wondering, why also the last revision has still sw on hw and 
sw, after so long time. 
Its very annoying having a nstable hw and so for this old product :( Seems 
i sell this board and getting a RPI for that.





Am Montag, 24. November 2014 16:42:50 UTC+1 schrieb alexschn...@gmail.com:
>
> It appears that the issue is known for a long time: several registers of 
> the LAN8710A Ethernet transceiver sometimes get wrong values at power-up, 
> in spite of correct pin strapping configurations. One of those wrong values 
> is PHYAD (PHY address in the Special Modes Register), which is erroneously 
> initialized to 2, while the processor expects it to be 0. This makes it 
> impossible for the processor to communicate with the transceiver and 
> override those wrong values.
>
> Here , they 
> suggest that this issue is inherent in the LAN8710A by Microchip, and may 
> be caused by some interference from the clock signal. However, Microchip 
> did not admit that.
>
> The messages within this topic propose 3 main solutions:
>
> 1) Rebuilt the device tree to make it somehow work with a PHY address that 
> can take on 0 or 2, or probably some other values
>
> 2) Remove C24 capacitor (this is not safe)
>
> 3) Change the file drivers/net/ethernet/ti/davinci_mdio.c and rebuild the 
> Linux (this patch, as far as I understand, will update the device tree in 
> such a way that other, non-zero PHY addresses, will become also acceptable)
>
> I have tried to do another thing: to rewrite wrong register values with 
> U-Boot, using commands like "mdio write 2 18 0xe0", and I managed to make 
> the content of those registers looking like that of a successfully started 
> transceiver (including the PHYAD and MODE). However, to successfully apply 
> these changes, a reset with RESET button is required. And if I just run 
> "reset" command in U-Boot, the transceiver doesn't work properly after 
> reboot, even though it already has the right PHY address: 0. In this case 
> the registers look like as if the auto-negotiation fails, and as if the 
> link partner (i.e. the processor) doesn't have auto-negotiation ability 
> (the Auto Negotiation Expansion Register contains 0).
>
> If that worked, it would be possible to append all required "rewriting 
> commands" into "bootcmd" variable, thus forcing U-Boot to rewrite wrong 
> values automatically. But there is another obstacle on this way: the U-boot 
> I have (2014.10-dirty) does not have "saveenv" command, for some reason. 
> So, I cannot save any changes in environmental variables there.
>
> If anyone solved this problem by modifying the device tree or by some 
> U-Boot script, please share the details.
>
> On Monday, November 24, 2014 8:18:31 AM UTC+1, Jerin George wrote:
>>
>> As suggested in this discussion i moved to 3.14.1 kernel and everything 
>> went well for the first 48 hours. 
>> After that i could see that the ETH stopped responding for close to 10 
>> seconds. 
>> Then it came back. 
>>
>> Test set up:-
>> I'm using BBB for Data acquisition thru ETH. For testing i have connected 
>> BBB and 2 PC in a switch. One PC is running a data acquisition software to 
>> collect data from BBB. Another PC is running the software "Total Network 
>> Monitor" and it keeps on logging the Network status by pinging to both BBB 
>> & the other PC. 
>>
>> After 48 Hours :-
>> I could see that the Total Network monitor reported that link to BBB was 
>> lost for close to 10 seconds. 
>>
>> Is this a known issue ? Is there any fix to this. 
>>
>> regards, 
>> Jerin
>>
>> On Saturday, 22 November 2014 14:25:03 UTC+5:30, alexschn...@gmail.com 
>> wrote:
>>>
>>> But the SW can do that only when the transceiver chip is always in a 
>>> "writable" state, which is unfortunately not the case.
>>>
>>> On Saturday, November 22, 2014 1:38:54 AM UTC+1, Gerald wrote:

 All the SW has to do itvwrite to the registers and not rely on the 
 straps. Hmm I have been saying that for 3+ years now.

 Gerald

 On Friday, November 21, 2014,  wrote:

> Hi Gerald,
>
> I meant "strap values", not connections on the board. As far as I 
> understand it, correct strappings alone cannot always ensure correct bits 
> in the respective registers of the transceiver chip. The power-on and 
> reset 
> timing is also important, and this timing, unlike strappings, is 
> different 
> at least for some revisions. 
>
> In my experiments, a reset performed with RESET button never resolved 
> the "phy not found" problem. A power-on reset as well as a reset with 
> POWER 
> button helped, but not always. Cannot the transceiver sometimes enter 
> into 
> some unresponsive state, which makes it impossible for the processor to 

Re: [beagleboard] Re: Beaglebone Black won't boot from Micro SD, all LEDs remain lit

[A M Kent]

I've held down the button you're suggesting for nearly 2mins and no change 
from booting from uSD. Once I eject the uSD and reboot the BBB i'm able to 
boot into to the eMMC, which is running the flashed version of ubuntu. I'm 
simply attempting to run the ubuntu desktop now(from uSD), instead of the 
console version (on eMMC). 

On Thursday, May 9, 2013 9:05:18 PM UTC-5, Gerald wrote:
>
> Typically it is from not holding the button down long enough.
>
> Gerald
>
>
>
> On Thu, May 9, 2013 at 9:02 PM, > 
> wrote:
>
>> WOOOT, I'm in Ubuntu you guys!  Not sure what I did differently.  The one 
>> that eventually worked I used ubuntu 12.04 and imagewriter.  It might have 
>> been that the USER button is really hard to depress as well?
>>
>> Either way, i'm in the process of doing apt-get update, upgrade, install 
>> vlc, etc.
>>
>> -- 
>> For more options, visit http://beagleboard.org/discuss
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>> email to beagleboard...@googlegroups.com .
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>>  
>>  
>>
>
>
>
> -- 
> Gerald
>  
> ger...@beagleboard.org 
> g-co...@ti.com  
> http://beagleboard.org/
> http://circuitco.com/support/
>  

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[beagleboard] Re: Beaglebone Black won't boot from Micro SD, all LEDs remain lit

[A M Kent]

Follow the direction from this link to reflash eMMC with original angstron 
OS 
https://learn.adafruit.com/beaglebone-black-installing-operating-systems/flashing-the-beaglebone-black

On Thursday, November 13, 2014 2:00:33 PM UTC-6, pitp...@gmail.com wrote:
>
> I have a problem. 
> When i started setting up the beaglebone black I misunderstood the 
> instructions and I wrote the image(angstron distribution) to the eMMC of 
> the board and i also wrote a file (initrd.img) to the eMMC and then my 
> computer couldn't read the beaglebone black anymore.Now when I power 
> the beaglebone black only the led that is seperated from the others is 
> lighting as if its booting but it never finishes and the other leds never 
> light up.Help me what can I do?
>

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[beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[meino . cramer]

Hi,

I am using a Arietta G25 (http://www.acmesystems.it/arietta) with 
Robert Nelsons Kernel 3.17.3 and the kernel configuration provided
by Acmesystems for their Debian Linux for the Arietta G25 based on 
Linux kernel 3.16.1.
As far as I know the only patches they used are agains dts/dtb files
(I use the same ones) and to configure the kernel without the need of
using makeconfig.

So far so nice...the system boots with a Gentoo stage3 rootfs.

There only two things left:
1.) shuthdown -h -H now (as said to be used by Acmesystems) reboots
the system instead of powering it off (which works with their
image).

2.) The at91 RTC is missing the "Real"...the difference are several
minutes per hour.

I compared the dmesg output of the Arietta G25 booted with one and
the other system. With the Gentoo system there is one line which
irritates me and may indicate a way to a solution for the RTC problem:

[0.00] Main crystal frequency not set, using approximate value
[0.00] master clk is overclocked
[0.00] sched_clock: 32 bits at 128 Hz, resolution 7812500ns, wraps 
every 167772160ns
[0.00] Console: colour dummy device 80x30
[0.054687] Calibrating delay loop... 220.07 BogoMIPS (lpj=862208)

The clock frequency of the CPU is unknown??? The Debian system does
not have that problem...

Any suggestion how to fix one or (better! :) both problem is VERY 8)
appreciated! Thank you very much in advance for any help!

Best regards,
Meino



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[beagleboard] update failure

[Rick Harms]

I have a new Ver C board.  I went through the getting started scenario.  I 
have 30 years computer support, but I am a newbie to the Beaglebone.
 
I was able to log in just fine, life is sweet.  Time to upgrade the OS.  I 
read thoroughly the upgrade process.  I read several "versions, the 
Beagleboard.org version, Adafruit version, and a couple of others,  Of 
course, they were all the same.  I chose the 
"BBB-eMMC-flasher-2013.09.04.img.xz".  I followed the Windows version, 
created the SD image and inserted it in the board.  I followed the boot 
process, the four Leds came on, released the "boot" button.  The LEDs 
flashed for a few seconds, went out, the all four came on for a couple of 
seconds, flashed for a couple of seconds, then the board powered down. 
 Uh-oh, not right.  Sure enough, the OS is hosed.  I then inserted the SD 
card in my Windows machine.  The 16 GB card came up as 68 MB free out of 70 
MB available.    I then did trouble shooting for the next 8 hours. 
 I got to the point that I was able to reformat the SD card in a few 
seconds, it then showed 16 GB again.  I tested the card by copying several 
Gigs of files to the Card, it is OK.  I went through the installation 
process a couple of dozen times, the same results each time.  I decided 
there must be something wrong with the image.  So, I switched to the 
"Angstrom-Cloud9-IDE-GNOME_eglibc-ipk-v2012.12-beaglebone-2013.06.20.img" 
 (whew!).   This time the SD came up as 2MB free out of 70MB.   
 ()(*&)(&)_))&*__&   I tried it anyway.  As this is being posted, the 
installation has been going for 3 hours.  The USB LED D3 is continuous 
flashing and LED D5 flashes twice, every 2 seconds.  I will give it a 
couple of more hours, probably a waste of time, and then see if it will 
boot.  I suspect not.  
So, did I do something wrong?   I do not know what other information to 
provide.  Any assistance will be greatly appreciated.
Rick Harms


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Re: [beagleboard] update failure

[Robert Nelson]

On Nov 30, 2014 11:56 AM, "Rick Harms"  wrote:
>
> I have a new Ver C board.  I went through the getting started scenario.
I have 30 years computer support, but I am a newbie to the Beaglebone.
>
> I was able to log in just fine, life is sweet.  Time to upgrade the OS.
I read thoroughly the upgrade process.  I read several "versions, the
Beagleboard.org version, Adafruit version, and a couple of others,  Of
course, they were all the same.  I chose the
"BBB-eMMC-flasher-2013.09.04.img.xz".  I followed the Windows version,
created the SD image and inserted it in the board.  I followed the boot
process, the four Leds came on, released the "boot" button.  The LEDs
flashed for a few seconds, went out, the all four came on for a couple of
seconds, flashed for a couple of seconds, then the board powered down.
Uh-oh, not right.  Sure enough, the OS is hosed.  I then inserted the SD
card in my Windows machine.  The 16 GB card came up as 68 MB free out of 70
MB available.    I then did trouble shooting for the next 8 hours.
I got to the point that I was able to reformat the SD card in a few
seconds, it then showed 16 GB again.  I tested the card by copying several
Gigs of files to the Card, it is OK.  I went through the installation
process a couple of dozen times, the same results each time.  I decided
there must be something wrong with the image.  So, I switched to the
"Angstrom-Cloud9-IDE-GNOME_eglibc-ipk-v2012.12-beaglebone-2013.06.20.img"
 (whew!).   This time the SD came up as 2MB free out of 70MB.
 ()(*&)(&)_))&*__&   I tried it anyway.  As this is being posted, the
installation has been going for 3 hours.  The USB LED D3 is continuous
flashing and LED D5 flashes twice, every 2 seconds.  I will give it a
couple of more hours, probably a waste of time, and then see if it will
boot.  I suspect not.
> So, did I do something wrong?   I do not know what other information to
provide.  Any assistance will be greatly appreciated.
> Rick Harms

Those images are legacy and 'really' not supported see, for upgrade over
what was shipped with your board.

http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Debian_Image_Testing_Snapshots

>
>
> --
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Re: [beagleboard] update failure

[Mike]

On 11/30/2014 12:56 PM, Rick Harms wrote:
I have a new Ver C board.  I went through the getting started 
scenario.  I have 30 years computer support, but I am a newbie to the 
Beaglebone.
I was able to log in just fine, life is sweet.  Time to upgrade the 
OS.  I read thoroughly the upgrade process.  I read several "versions, 
the Beagleboard.org version, Adafruit version, and a couple of others, 
 Of course, they were all the same.  I chose the 
"BBB-eMMC-flasher-2013.09.04.img.xz".  I followed the Windows version, 
created the SD image and inserted it in the board.  I followed the 
boot process, the four Leds came on, released the "boot" button.  The 
LEDs flashed for a few seconds, went out, the all four came on for a 
couple of seconds, flashed for a couple of seconds, then the board 
powered down.  Uh-oh, not right.  Sure enough, the OS is hosed.  I 
then inserted the SD card in my Windows machine.  The 16 GB card came 
up as 68 MB free out of 70 MB available.    I then did trouble 
shooting for the next 8 hours.  I got to the point that I was able to 
reformat the SD card in a few seconds, it then showed 16 GB again.  I 
tested the card by copying several Gigs of files to the Card, it is 
OK.  I went through the installation process a couple of dozen times, 
the same results each time.  I decided there must be something wrong 
with the image.  So, I switched to the 
"Angstrom-Cloud9-IDE-GNOME_eglibc-ipk-v2012.12-beaglebone-2013.06.20.img" 
 (whew!).   This time the SD came up as 2MB free out of 70MB.   
 ()(*&)(&)_))&*__&   I tried it anyway.  As this is being posted, the 
installation has been going for 3 hours.  The USB LED D3 is continuous 
flashing and LED D5 flashes twice, every 2 seconds.  I will give it a 
couple of more hours, probably a waste of time, and then see if it 
will boot.  I suspect not.
So, did I do something wrong?   I do not know what other information 
to provide.  Any assistance will be greatly appreciated.

Rick Harms


That image is extremely old

Perhaps try here. http://elinux.org/Beagleboard:BeagleBoneBlack_Debian

Mike

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[beagleboard] Beaglebone Black not posting to display

[lasergun12345]

Hello BBB community: 

Since I received my Beaglebone black, I have been wrestling to get it to 
work with any display whatsoever (other than the ones thai *do* work in 
Best Buy)

I have sent this board into the shop and the hardware is fine, but I just 
can't get it to work with any of the displays I've connected it to, with 
one 7" display in particular. 

What do I need to do to get this thing to work? 

NOTES: 
-When connecting to most displays, the 'Bone keeps the display awake, but 
it won't actually display anything. 
- my 27" Samsung display worked at first, but now it doesn't, and only 
occasionally flashes the desktop for 1-2 frames.
-EDID Information of my fav. display from serial console:

parse-edid: parse-edid version 2.0.0

parse-edid: EDID checksum passed.


# EDID version 1 revision 3

Section "Monitor"

# Block type: 2:0 3:fc

Identifier "HDMI"

VendorName "IVM"

ModelName "HDMI"

# Block type: 2:0 3:fc

# Block type: 2:0 3:fd

HorizSync 29-82

VertRefresh 55-76

# Max dot clock (video bandwidth) 140 MHz

# Block type: 2:0 3:ff

# DPMS capabilities: Active off:yes  Suspend:yes  Standby:yes


Mode"1280x800"  # vfreq 59.810Hz, hfreq 49.702kHz

DotClock83.50

HTimings1280 1352 1480 1680

VTimings800 803 809 831

Flags   "+HSync" "-VSync"

EndMode

# Block type: 2:0 3:fc

# Block type: 2:0 3:fd

# Block type: 2:0 3:ff

EndSection

I have reached the end of my rope in this regard and really, *really *want 
to get to the fun stuff! 

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Re: [beagleboard] update failure

[Rick Harms]

Thank you.
That did it.  I now have a working BeagleBone.
Rick Harms

On Sunday, November 30, 2014 10:17:07 AM UTC-8, RobertCNelson wrote:
>
>
> On Nov 30, 2014 11:56 AM, "Rick Harms" > 
> wrote:
> >
> > I have a new Ver C board.  I went through the getting started scenario.  
> I have 30 years computer support, but I am a newbie to the Beaglebone.
> >  
> > I was able to log in just fine, life is sweet.  Time to upgrade the OS.  
> I read thoroughly the upgrade process.  I read several "versions, the 
> Beagleboard.org version, Adafruit version, and a couple of others,  Of 
> course, they were all the same.  I chose the 
> "BBB-eMMC-flasher-2013.09.04.img.xz".  I followed the Windows version, 
> created the SD image and inserted it in the board.  I followed the boot 
> process, the four Leds came on, released the "boot" button.  The LEDs 
> flashed for a few seconds, went out, the all four came on for a couple of 
> seconds, flashed for a couple of seconds, then the board powered down.  
> Uh-oh, not right.  Sure enough, the OS is hosed.  I then inserted the SD 
> card in my Windows machine.  The 16 GB card came up as 68 MB free out of 70 
> MB available.    I then did trouble shooting for the next 8 hours.  
> I got to the point that I was able to reformat the SD card in a few 
> seconds, it then showed 16 GB again.  I tested the card by copying several 
> Gigs of files to the Card, it is OK.  I went through the installation 
> process a couple of dozen times, the same results each time.  I decided 
> there must be something wrong with the image.  So, I switched to the 
> "Angstrom-Cloud9-IDE-GNOME_eglibc-ipk-v2012.12-beaglebone-2013.06.20.img" 
>  (whew!).   This time the SD came up as 2MB free out of 70MB.   
>  ()(*&)(&)_))&*__&   I tried it anyway.  As this is being posted, the 
> installation has been going for 3 hours.  The USB LED D3 is continuous 
> flashing and LED D5 flashes twice, every 2 seconds.  I will give it a 
> couple of more hours, probably a waste of time, and then see if it will 
> boot.  I suspect not.  
> > So, did I do something wrong?   I do not know what other information to 
> provide.  Any assistance will be greatly appreciated.
> > Rick Harms
>
> Those images are legacy and 'really' not supported see, for upgrade over 
> what was shipped with your board.
>
>
> http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Debian_Image_Testing_Snapshots
>
> >
> >
> > -- 
> > For more options, visit http://beagleboard.org/discuss
> > --- 
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> Groups "BeagleBoard" group.
> > To unsubscribe from this group and stop receiving emails from it, send 
> an email to beagleboard...@googlegroups.com .
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>  

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Re: [beagleboard] update failure

[Rick Harms]

Derek Molloy had a how-to on using a USB camera video streaming.  It is 
based on Angstrom.  That is why I was trying to install Angstrom.  I am 
afraid my Linux abilities are not strong enough to translate his tutorial 
to Debian.  Is there a more up to date Angstrom install?  That is what I 
thought I was doing.  Any suggestions?  
Rick Harms

On Sunday, November 30, 2014 1:27:11 PM UTC-8, Rick Harms wrote:
>
> Thank you.
> That did it.  I now have a working BeagleBone.
> Rick Harms
>
> On Sunday, November 30, 2014 10:17:07 AM UTC-8, RobertCNelson wrote:
>>
>>
>> On Nov 30, 2014 11:56 AM, "Rick Harms"  wrote:
>> >
>> > I have a new Ver C board.  I went through the getting started 
>> scenario.  I have 30 years computer support, but I am a newbie to the 
>> Beaglebone.
>> >  
>> > I was able to log in just fine, life is sweet.  Time to upgrade the 
>> OS.  I read thoroughly the upgrade process.  I read several "versions, the 
>> Beagleboard.org version, Adafruit version, and a couple of others,  Of 
>> course, they were all the same.  I chose the 
>> "BBB-eMMC-flasher-2013.09.04.img.xz".  I followed the Windows version, 
>> created the SD image and inserted it in the board.  I followed the boot 
>> process, the four Leds came on, released the "boot" button.  The LEDs 
>> flashed for a few seconds, went out, the all four came on for a couple of 
>> seconds, flashed for a couple of seconds, then the board powered down.  
>> Uh-oh, not right.  Sure enough, the OS is hosed.  I then inserted the SD 
>> card in my Windows machine.  The 16 GB card came up as 68 MB free out of 70 
>> MB available.    I then did trouble shooting for the next 8 hours.  
>> I got to the point that I was able to reformat the SD card in a few 
>> seconds, it then showed 16 GB again.  I tested the card by copying several 
>> Gigs of files to the Card, it is OK.  I went through the installation 
>> process a couple of dozen times, the same results each time.  I decided 
>> there must be something wrong with the image.  So, I switched to the 
>> "Angstrom-Cloud9-IDE-GNOME_eglibc-ipk-v2012.12-beaglebone-2013.06.20.img" 
>>  (whew!).   This time the SD came up as 2MB free out of 70MB.   
>>  ()(*&)(&)_))&*__&   I tried it anyway.  As this is being posted, the 
>> installation has been going for 3 hours.  The USB LED D3 is continuous 
>> flashing and LED D5 flashes twice, every 2 seconds.  I will give it a 
>> couple of more hours, probably a waste of time, and then see if it will 
>> boot.  I suspect not.  
>> > So, did I do something wrong?   I do not know what other information to 
>> provide.  Any assistance will be greatly appreciated.
>> > Rick Harms
>>
>> Those images are legacy and 'really' not supported see, for upgrade over 
>> what was shipped with your board.
>>
>>
>> http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Debian_Image_Testing_Snapshots
>>
>> >
>> >
>> > -- 
>> > For more options, visit http://beagleboard.org/discuss
>> > --- 
>> > You received this message because you are subscribed to the Google 
>> Groups "BeagleBoard" group.
>> > To unsubscribe from this group and stop receiving emails from it, send 
>> an email to beagleboard...@googlegroups.com.
>> > For more options, visit https://groups.google.com/d/optout.
>>  
>

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Re: [beagleboard] update failure

[Robert Nelson]

On Sun, Nov 30, 2014 at 4:42 PM, Rick Harms  wrote:
> Derek Molloy had a how-to on using a USB camera video streaming.  It is
> based on Angstrom.  That is why I was trying to install Angstrom.  I am
> afraid my Linux abilities are not strong enough to translate his tutorial to
> Debian.  Is there a more up to date Angstrom install?  That is what I
> thought I was doing.  Any suggestions?
> Rick Harms

But with "30 years computer support" you should know by now, linux is linux..

Figure out what software tool Derek used in Angstrom, install the
"same" tool in debian...

The only thing that varies between distro's today, is package
selection (and version of packages..)

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

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Re: [beagleboard] Beaglebone Black not posting to display

[Robert Nelson]

On Sun, Nov 30, 2014 at 2:58 PM,   wrote:
> Hello BBB community:
>
> Since I received my Beaglebone black, I have been wrestling to get it to
> work with any display whatsoever (other than the ones thai do work in Best
> Buy)
>
> I have sent this board into the shop and the hardware is fine, but I just
> can't get it to work with any of the displays I've connected it to, with one
> 7" display in particular.
>
> What do I need to do to get this thing to work?
>
> NOTES:
> -When connecting to most displays, the 'Bone keeps the display awake, but it
> won't actually display anything.
> - my 27" Samsung display worked at first, but now it doesn't, and only
> occasionally flashes the desktop for 1-2 frames.
> -EDID Information of my fav. display from serial console:
>

> Mode"1280x800"  # vfreq 59.810Hz, hfreq 49.702kHz
> DotClock83.50
> HTimings1280 1352 1480 1680
> VTimings800 803 809 831
> Flags   "+HSync" "-VSync"
> EndMode


Force override the edid detection by modifying:

/boot/uEnv.txt

add:

cmdline=video=HDMI-A-1:1280x800@60e

If that file doesn't exist, let me know the output of:

cat /etc/dogtag

Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] update failure

[Rick Harms]

True, but I do not do Linux very much.  I did try, but the package could
not be found.  I assume I need to add some repositories, but which?
Where?  I do not expect an answer from here, I am just thiniking out loud.
More research should get me the repositories I need.  Thank you


On Sun, Nov 30, 2014 at 3:22 PM, Robert Nelson 
wrote:

> On Sun, Nov 30, 2014 at 4:42 PM, Rick Harms  wrote:
> > Derek Molloy had a how-to on using a USB camera video streaming.  It is
> > based on Angstrom.  That is why I was trying to install Angstrom.  I am
> > afraid my Linux abilities are not strong enough to translate his
> tutorial to
> > Debian.  Is there a more up to date Angstrom install?  That is what I
> > thought I was doing.  Any suggestions?
> > Rick Harms
>
> But with "30 years computer support" you should know by now, linux is
> linux..
>
> Figure out what software tool Derek used in Angstrom, install the
> "same" tool in debian...
>
> The only thing that varies between distro's today, is package
> selection (and version of packages..)
>
> Regards,
>
> --
> Robert Nelson
> http://www.rcn-ee.com/
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
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Re: [beagleboard] update failure

[Robert Nelson]

On Sun, Nov 30, 2014 at 6:07 PM, Rick Harms  wrote:
> True, but I do not do Linux very much.  I did try, but the package could not
> be found.  I assume I need to add some repositories, but which?  Where?  I
> do not expect an answer from here, I am just thiniking out loud.  More
> research should get me the repositories I need.  Thank you

Which package?

Regards,


-- 
Robert Nelson
http://www.rcn-ee.com/

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Re: [beagleboard] update failure

[Rick Harms]

video4linux
On Sunday, November 30, 2014 4:08:47 PM UTC-8, RobertCNelson wrote:
>
> On Sun, Nov 30, 2014 at 6:07 PM, Rick Harms  > wrote: 
> > True, but I do not do Linux very much.  I did try, but the package could 
> not 
> > be found.  I assume I need to add some repositories, but which?  Where? 
>  I 
> > do not expect an answer from here, I am just thiniking out loud.  More 
> > research should get me the repositories I need.  Thank you 
>
> Which package? 
>
> Regards, 
>
>
> -- 
> Robert Nelson 
> http://www.rcn-ee.com/ 
>

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Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[liyaoshi]

About the time clock , as I know , its about the crystal , called jitter ?
You can correct it with NTP client or GPS , ( if you have gps )

2014-11-30 23:55 GMT+08:00 :

> Hi,
>
> I am using a Arietta G25 (http://www.acmesystems.it/arietta) with
> Robert Nelsons Kernel 3.17.3 and the kernel configuration provided
> by Acmesystems for their Debian Linux for the Arietta G25 based on
> Linux kernel 3.16.1.
> As far as I know the only patches they used are agains dts/dtb files
> (I use the same ones) and to configure the kernel without the need of
> using makeconfig.
>
> So far so nice...the system boots with a Gentoo stage3 rootfs.
>
> There only two things left:
> 1.) shuthdown -h -H now (as said to be used by Acmesystems) reboots
> the system instead of powering it off (which works with their
> image).
>
> 2.) The at91 RTC is missing the "Real"...the difference are several
> minutes per hour.
>
> I compared the dmesg output of the Arietta G25 booted with one and
> the other system. With the Gentoo system there is one line which
> irritates me and may indicate a way to a solution for the RTC problem:
>
> [0.00] Main crystal frequency not set, using approximate value
> [0.00] master clk is overclocked
> [0.00] sched_clock: 32 bits at 128 Hz, resolution 7812500ns, wraps
> every 167772160ns
> [0.00] Console: colour dummy device 80x30
> [0.054687] Calibrating delay loop... 220.07 BogoMIPS (lpj=862208)
>
> The clock frequency of the CPU is unknown??? The Debian system does
> not have that problem...
>
> Any suggestion how to fix one or (better! :) both problem is VERY 8)
> appreciated! Thank you very much in advance for any help!
>
> Best regards,
> Meino
>
>
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
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> "BeagleBoard" group.
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Re: [beagleboard] update failure

[evilwulfie]

6th link in google

http://www.aboutdebian.com/webcam.htm



On 11/30/2014 5:44 PM, Rick Harms wrote:
>
> video4linux
> On Sunday, November 30, 2014 4:08:47 PM UTC-8, RobertCNelson wrote:
>
> On Sun, Nov 30, 2014 at 6:07 PM, Rick Harms  > wrote:
> > True, but I do not do Linux very much.  I did try, but the
> package could not
> > be found.  I assume I need to add some repositories, but which?
>  Where?  I
> > do not expect an answer from here, I am just thiniking out loud.
>  More
> > research should get me the repositories I need.  Thank you
>
> Which package?
>
> Regards,
>
>
> -- 
> Robert Nelson
> http://www.rcn-ee.com/
>
> -- 
> For more options, visit http://beagleboard.org/discuss
> ---
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> Groups "BeagleBoard" group.
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> .
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Re: [beagleboard] update failure

[Robert Nelson]

On Sun, Nov 30, 2014 at 6:44 PM, Rick Harms  wrote:
>
> video4linux

https://packages.debian.org/wheezy/v4l-utils

Regards,

-- 
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http://www.rcn-ee.com/

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Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[meino . cramer]

Hi liyaoshi,

thanks for your posting!

I am not searching for workaround -- the small Arietta will
become a mobile device which has no connection to the
internet.

I am searching for the reasons of the two problems and want
to fix the (currently unknown) bugs behind that.

Even without sync an RTC should not become THAT wrong as
the RTC of the Arietta currently.

What does this dump from dmesg mean?

Best regards,
Meino




liyaoshi  [14-12-01 02:57]:
> About the time clock , as I know , its about the crystal , called jitter ?
> You can correct it with NTP client or GPS , ( if you have gps )
> 
> 2014-11-30 23:55 GMT+08:00 :
> 
> > Hi,
> >
> > I am using a Arietta G25 (http://www.acmesystems.it/arietta) with
> > Robert Nelsons Kernel 3.17.3 and the kernel configuration provided
> > by Acmesystems for their Debian Linux for the Arietta G25 based on
> > Linux kernel 3.16.1.
> > As far as I know the only patches they used are agains dts/dtb files
> > (I use the same ones) and to configure the kernel without the need of
> > using makeconfig.
> >
> > So far so nice...the system boots with a Gentoo stage3 rootfs.
> >
> > There only two things left:
> > 1.) shuthdown -h -H now (as said to be used by Acmesystems) reboots
> > the system instead of powering it off (which works with their
> > image).
> >
> > 2.) The at91 RTC is missing the "Real"...the difference are several
> > minutes per hour.
> >
> > I compared the dmesg output of the Arietta G25 booted with one and
> > the other system. With the Gentoo system there is one line which
> > irritates me and may indicate a way to a solution for the RTC problem:
> >
> > [0.00] Main crystal frequency not set, using approximate value
> > [0.00] master clk is overclocked
> > [0.00] sched_clock: 32 bits at 128 Hz, resolution 7812500ns, wraps
> > every 167772160ns
> > [0.00] Console: colour dummy device 80x30
> > [0.054687] Calibrating delay loop... 220.07 BogoMIPS (lpj=862208)
> >
> > The clock frequency of the CPU is unknown??? The Debian system does
> > not have that problem...
> >
> > Any suggestion how to fix one or (better! :) both problem is VERY 8)
> > appreciated! Thank you very much in advance for any help!
> >
> > Best regards,
> > Meino
> >
> >
> >
> > --
> > For more options, visit http://beagleboard.org/discuss
> > ---
> > You received this message because you are subscribed to the Google Groups
> > "BeagleBoard" group.
> > To unsubscribe from this group and stop receiving emails from it, send an
> > email to beagleboard+unsubscr...@googlegroups.com.
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> >
> 
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Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[liyaoshi]

seems dts config file error , but from

http://www.acmesystems.it/compile_linux_3_16

maybe you should try this patch
http://www.acmesystems.it/www/compile_linux_3_16/acme.patch

or can you show up your patch ?

2014-12-01 10:38 GMT+08:00 :

> Hi liyaoshi,
>
> thanks for your posting!
>
> I am not searching for workaround -- the small Arietta will
> become a mobile device which has no connection to the
> internet.
>
> I am searching for the reasons of the two problems and want
> to fix the (currently unknown) bugs behind that.
>
> Even without sync an RTC should not become THAT wrong as
> the RTC of the Arietta currently.
>
> What does this dump from dmesg mean?
>
> Best regards,
> Meino
>
>
>
>
> liyaoshi  [14-12-01 02:57]:
> > About the time clock , as I know , its about the crystal , called jitter
> ?
> > You can correct it with NTP client or GPS , ( if you have gps )
> >
> > 2014-11-30 23:55 GMT+08:00 :
> >
> > > Hi,
> > >
> > > I am using a Arietta G25 (http://www.acmesystems.it/arietta) with
> > > Robert Nelsons Kernel 3.17.3 and the kernel configuration provided
> > > by Acmesystems for their Debian Linux for the Arietta G25 based on
> > > Linux kernel 3.16.1.
> > > As far as I know the only patches they used are agains dts/dtb files
> > > (I use the same ones) and to configure the kernel without the need of
> > > using makeconfig.
> > >
> > > So far so nice...the system boots with a Gentoo stage3 rootfs.
> > >
> > > There only two things left:
> > > 1.) shuthdown -h -H now (as said to be used by Acmesystems) reboots
> > > the system instead of powering it off (which works with their
> > > image).
> > >
> > > 2.) The at91 RTC is missing the "Real"...the difference are several
> > > minutes per hour.
> > >
> > > I compared the dmesg output of the Arietta G25 booted with one and
> > > the other system. With the Gentoo system there is one line which
> > > irritates me and may indicate a way to a solution for the RTC problem:
> > >
> > > [0.00] Main crystal frequency not set, using approximate value
> > > [0.00] master clk is overclocked
> > > [0.00] sched_clock: 32 bits at 128 Hz, resolution 7812500ns,
> wraps
> > > every 167772160ns
> > > [0.00] Console: colour dummy device 80x30
> > > [0.054687] Calibrating delay loop... 220.07 BogoMIPS (lpj=862208)
> > >
> > > The clock frequency of the CPU is unknown??? The Debian system does
> > > not have that problem...
> > >
> > > Any suggestion how to fix one or (better! :) both problem is VERY 8)
> > > appreciated! Thank you very much in advance for any help!
> > >
> > > Best regards,
> > > Meino
> > >
> > >
> > >
> > > --
> > > For more options, visit http://beagleboard.org/discuss
> > > ---
> > > You received this message because you are subscribed to the Google
> Groups
> > > "BeagleBoard" group.
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> an
> > > email to beagleboard+unsubscr...@googlegroups.com.
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> > >
> >
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Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[Robert Nelson]

On Sun, Nov 30, 2014 at 8:59 PM, liyaoshi  wrote:
> seems dts config file error , but from
>
> http://www.acmesystems.it/compile_linux_3_16
>
> maybe you should try this patch
> http://www.acmesystems.it/www/compile_linux_3_16/acme.patch

That's for the Cortex-A5 from Atmel, the Arietta G25 should be fully
supported on mainline.

There's been lots of rtc changes, you should retry with 3.18-rc7, as
the free-electrons guys took over mach-at91..

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

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[beagleboard] Audio capture issue with BeagleBone Black and Audio Cape Rev B

[Dien Nguyen]

Hi All,

We tried the Audio Cape Rev B with BeagleBone Black. The kernel version is 
3.14.17 (https://github.com/RobertCNelson/bb-kernel.git branch am33x-v3.14)

We was able to play and record via the Audio Cape. If we record and play 
the file via the Audio Cape, it works fine. But when we move the recorded 
file to other machine or play it via the USB Sound Card, the speed of the 
recorded file seems 1.5 time slower than it really is.

On the board, we recorded the audio with
arecord -t raw -f S16_LE -r 44100 /tmp/1.raw

Then, we playback the file with command
aplay -t raw -f S16_LE -r 44100 /tmp/1.raw

1/ On x86 machine, the voice become very slow. If we change the sampling 
rate to 63000, it is played close to the real voice we recorded.
2/ Trying with a USB Sound Card plugged directly to the board.
aplay -t raw -f S16_LE -r 44100 -D plughw:1,0 /tmp/1.raw
We saw the same issue as seen on x86 machine

It seems that there is something wrong with the sampling rate clock. May 
anyone please give some suggestions

Thanks

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Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

[Nick Apperley]

Looks as though Freescale have made the closed source driver available for 
all the GPUs they use (Vivante). Have heard that JavaFX programs will run 
via the framebuffer (hardware rendering) just fine with both the closed 
(official) and open source (unofficial - reverse engineered) Vivante GPU 
drivers.


On Sunday, 30 November 2014 15:45:45 UTC+13, liyaoshi wrote:
>
>
> http://www.freescale.com/lgfiles/NMG/MAD/YOCTO/gpu-viv-bin-mx6q-3.10.17-1.0.0-hfp.bin
>
> Do you mean this ?
>
>
> 2014-11-30 9:35 GMT+08:00 Robert Nelson 
> >:
>
>>
>> On Nov 29, 2014 7:22 PM, "Nick Apperley" > 
>> wrote:
>> >
>> > Robert - thanks for the advise. Would it make sense economically to go 
>> for the Wandboard Quad over the upcoming Beagleboard X15 when it comes to 
>> running GUI programs?
>>
>> 3d: vivante will be reversed engineered before powervr. Freescale hasn't 
>> released 'armhf' drivers whereas ti has..
>>
>> The 'x15' will be supported by bb.org and ti.. Who really supports the 
>> wand? All the info I put out is just because I replaced my failing pandas 
>> with quad wands...
>>
>> Regards,
>>  
>> -- 
>> For more options, visit http://beagleboard.org/discuss
>> --- 
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>> "BeagleBoard" group.
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>>
>
>

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Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

[Nick Apperley]

Presumably the closed source driver is an installer that is run on any 
Freescale imx6 board. If that is the case then TI's GPU support is **ahem, 
cough, cough** severely lacking.


On Monday, 1 December 2014 16:35:39 UTC+13, Nick Apperley wrote:
>
> Looks as though Freescale have made the closed source driver available for 
> all the GPUs they use (Vivante). Have heard that JavaFX programs will run 
> via the framebuffer (hardware rendering) just fine with both the closed 
> (official) and open source (unofficial - reverse engineered) Vivante GPU 
> drivers.
>
>
> On Sunday, 30 November 2014 15:45:45 UTC+13, liyaoshi wrote:
>>
>>
>> http://www.freescale.com/lgfiles/NMG/MAD/YOCTO/gpu-viv-bin-mx6q-3.10.17-1.0.0-hfp.bin
>>
>> Do you mean this ?
>>
>>
>> 2014-11-30 9:35 GMT+08:00 Robert Nelson :
>>
>>>
>>> On Nov 29, 2014 7:22 PM, "Nick Apperley"  wrote:
>>> >
>>> > Robert - thanks for the advise. Would it make sense economically to go 
>>> for the Wandboard Quad over the upcoming Beagleboard X15 when it comes to 
>>> running GUI programs?
>>>
>>> 3d: vivante will be reversed engineered before powervr. Freescale hasn't 
>>> released 'armhf' drivers whereas ti has..
>>>
>>> The 'x15' will be supported by bb.org and ti.. Who really supports the 
>>> wand? All the info I put out is just because I replaced my failing pandas 
>>> with quad wands...
>>>
>>> Regards,
>>>  
>>> -- 
>>> For more options, visit http://beagleboard.org/discuss
>>> --- 
>>> You received this message because you are subscribed to the Google 
>>> Groups "BeagleBoard" group.
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Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

[liyaoshi]

I have tested Ti gpu driver on omap5 uevm board based with GLSDK 6.04

The gpu driver crash didn't be fixed for a very long time .

iMX6 GPU will crash also ,if high cpu load and very frequency interrupt
case, you might get kernel panic on imx6-solo

but on fsl QUAD cores  , Its more stable , maybe because of their gpu
kernel  driver is based on work queue . .

But for FSL kernel driver . lack of I2C /SPI dma support , if you want use
very high spi through put , like DMB/CMMB chip always do

You will get poor performance .




2014-12-01 11:39 GMT+08:00 Nick Apperley :

> Presumably the closed source driver is an installer that is run on any
> Freescale imx6 board. If that is the case then TI's GPU support is **ahem,
> cough, cough** severely lacking.
>
>
>
> On Monday, 1 December 2014 16:35:39 UTC+13, Nick Apperley wrote:
>>
>> Looks as though Freescale have made the closed source driver available
>> for all the GPUs they use (Vivante). Have heard that JavaFX programs will
>> run via the framebuffer (hardware rendering) just fine with both the closed
>> (official) and open source (unofficial - reverse engineered) Vivante GPU
>> drivers.
>>
>>
>> On Sunday, 30 November 2014 15:45:45 UTC+13, liyaoshi wrote:
>>>
>>> http://www.freescale.com/lgfiles/NMG/MAD/YOCTO/gpu-viv-
>>> bin-mx6q-3.10.17-1.0.0-hfp.bin
>>>
>>> Do you mean this ?
>>>
>>>
>>> 2014-11-30 9:35 GMT+08:00 Robert Nelson :
>>>

 On Nov 29, 2014 7:22 PM, "Nick Apperley"  wrote:
 >
 > Robert - thanks for the advise. Would it make sense economically to
 go for the Wandboard Quad over the upcoming Beagleboard X15 when it comes
 to running GUI programs?

 3d: vivante will be reversed engineered before powervr. Freescale
 hasn't released 'armhf' drivers whereas ti has..

 The 'x15' will be supported by bb.org and ti.. Who really supports the
 wand? All the info I put out is just because I replaced my failing pandas
 with quad wands...

 Regards,

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Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

[Nick Apperley]

Hang on a moment. The version of Yocto that is available for Wandboard 
targets the armhf CPU platform. Are the Panda's notoriously unreliable 
hardware wise?


On Sunday, 30 November 2014 14:36:05 UTC+13, RobertCNelson wrote:
>
> 3d: vivante will be reversed engineered before powervr. Freescale hasn't 
> released 'armhf' drivers whereas ti has..
>
> The 'x15' will be supported by bb.org and ti.. Who really supports the 
> wand? All the info I put out is just because I replaced my failing pandas 
> with quad wands...
>
> Regards,
>  

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Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[meino . cramer]

Hi liyaoshi,

in the meanwhile I digged deeper into the kernel
and found, that in Linux 3.17.3 there is a new
configuration item AT91_USE_OLD_CLK which is set
to  which in turn set USE_OLD_CLK to .
But last get set when using Linux 3.16.1.
I compiled Linux 3.16.1 with the instructions
of Acmesystems (including the patch, which inserts
some dts files and the kernel configuration itsself)
and it seems (no long period done though) that the
RTC problem is gone.

As Robert mentioned in his mail to this thread,
there were a lot of RTC changes AND (TADA!) 
the Arietta should be supported by the mainline kernel,
which in turn makes me completly independant from any
patches by acmesystems (*NO* inplicite or explicite cirtism
intended here!!!), which are GOOD news.

Gentlemen...start your compilers!
Best regards,
Meino


liyaoshi  [14-12-01 04:04]:
> seems dts config file error , but from
> 
> http://www.acmesystems.it/compile_linux_3_16
> 
> maybe you should try this patch
> http://www.acmesystems.it/www/compile_linux_3_16/acme.patch
> 
> or can you show up your patch ?
> 
> 2014-12-01 10:38 GMT+08:00 :
> 
> > Hi liyaoshi,
> >
> > thanks for your posting!
> >
> > I am not searching for workaround -- the small Arietta will
> > become a mobile device which has no connection to the
> > internet.
> >
> > I am searching for the reasons of the two problems and want
> > to fix the (currently unknown) bugs behind that.
> >
> > Even without sync an RTC should not become THAT wrong as
> > the RTC of the Arietta currently.
> >
> > What does this dump from dmesg mean?
> >
> > Best regards,
> > Meino
> >
> >
> >
> >
> > liyaoshi  [14-12-01 02:57]:
> > > About the time clock , as I know , its about the crystal , called jitter
> > ?
> > > You can correct it with NTP client or GPS , ( if you have gps )
> > >
> > > 2014-11-30 23:55 GMT+08:00 :
> > >
> > > > Hi,
> > > >
> > > > I am using a Arietta G25 (http://www.acmesystems.it/arietta) with
> > > > Robert Nelsons Kernel 3.17.3 and the kernel configuration provided
> > > > by Acmesystems for their Debian Linux for the Arietta G25 based on
> > > > Linux kernel 3.16.1.
> > > > As far as I know the only patches they used are agains dts/dtb files
> > > > (I use the same ones) and to configure the kernel without the need of
> > > > using makeconfig.
> > > >
> > > > So far so nice...the system boots with a Gentoo stage3 rootfs.
> > > >
> > > > There only two things left:
> > > > 1.) shuthdown -h -H now (as said to be used by Acmesystems) reboots
> > > > the system instead of powering it off (which works with their
> > > > image).
> > > >
> > > > 2.) The at91 RTC is missing the "Real"...the difference are several
> > > > minutes per hour.
> > > >
> > > > I compared the dmesg output of the Arietta G25 booted with one and
> > > > the other system. With the Gentoo system there is one line which
> > > > irritates me and may indicate a way to a solution for the RTC problem:
> > > >
> > > > [0.00] Main crystal frequency not set, using approximate value
> > > > [0.00] master clk is overclocked
> > > > [0.00] sched_clock: 32 bits at 128 Hz, resolution 7812500ns,
> > wraps
> > > > every 167772160ns
> > > > [0.00] Console: colour dummy device 80x30
> > > > [0.054687] Calibrating delay loop... 220.07 BogoMIPS (lpj=862208)
> > > >
> > > > The clock frequency of the CPU is unknown??? The Debian system does
> > > > not have that problem...
> > > >
> > > > Any suggestion how to fix one or (better! :) both problem is VERY 8)
> > > > appreciated! Thank you very much in advance for any help!
> > > >
> > > > Best regards,
> > > > Meino
> > > >
> > > >
> > > >
> > > > --
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Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[meino . cramer]

Robert Nelson  [14-12-01 04:04]:
> On Sun, Nov 30, 2014 at 8:59 PM, liyaoshi  wrote:
> > seems dts config file error , but from
> >
> > http://www.acmesystems.it/compile_linux_3_16
> >
> > maybe you should try this patch
> > http://www.acmesystems.it/www/compile_linux_3_16/acme.patch
> 
> That's for the Cortex-A5 from Atmel, the Arietta G25 should be fully
> supported on mainline.
> 
> There's been lots of rtc changes, you should retry with 3.18-rc7, as
> the free-electrons guys took over mach-at91..
> 
> Regards,
> 
> -- 
> Robert Nelson
> http://www.rcn-ee.com/
> 
> -- 
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> 

Hi Robert,

thank you for your posting! :)

THATS really good news: Independance from any specialized
patches! :)

Only to ensure, that I am not confusing things again:
I interpret "Mainline" as: "Take a kernel from ftp.kernel.org"
Or does "the free-electrons guys took over mach-at91" mean,
that I should search their site for their kernel sources?

Best regards,
Meino





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Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

[Robert Nelson]

On Sun, Nov 30, 2014 at 10:09 PM, Nick Apperley  wrote:
> Hang on a moment. The version of Yocto that is available for Wandboard
> targets the armhf CPU platform. Are the Panda's notoriously unreliable
> hardware wise?

i.mx6 builtin sata: wand <-> sata drive
panda no sata: panda <-> usb-sata <-> sata drive..

The smsc95xx used on the panda, just isn't 100% reliable, when
compared to the imx6's builtin sata...

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

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Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S

[Robert Nelson]

> Hi Robert,
>
> thank you for your posting! :)
>
> THATS really good news: Independance from any specialized
> patches! :)
>
> Only to ensure, that I am not confusing things again:
> I interpret "Mainline" as: "Take a kernel from ftp.kernel.org"
> Or does "the free-electrons guys took over mach-at91" mean,
> that I should search their site for their kernel sources?

The free-electron guys only work on mainline, so all their patches are
heading to mainline. (kernel.org) For the last 2 kernel releases's
they've cleaning up everything in mach-at91 and pushing everything to
device tree's.

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

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[beagleboard] Black screen on 3.14.25-ti-r37 despite enabling the dtb file

[Mostafa Jafarzadeh]

Hi Everyone,

A few weeks ago I started writing a tutorial to setup a proper Debian 
environment on BBB with the 4DCAPE display and serial ports enabled. In 
order to get SGX graphics to work I had to switch to the kernel v3.14. 
Unfortunately since I finished the tutorial online repositories, scripts, 
kernels, etc are changing everyday. The other day I tried updating my 
kernel to 3.14.25-ti-r37 and modified and recompiled dtbs exactly as I used 
to do before to include the display and serial port DTBs. But unfortunately 
the display doesn't come up and I'm stuck with a blank screen. After 
downgrading to 3.14.22-ti-r31 for example the same steps gives me a working 
display. Anyone (especially Robert Nelson) if you're seeing this) has any 
idea what happened to new kernel versions and how to get the screen up?

Thanks in advance

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Re: [beagleboard] Audio capture issue with BeagleBone Black and Audio Cape Rev B

[John Syn]

From:  Dien Nguyen 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Sunday, November 30, 2014 at 7:14 PM
To:  "beagleboard@googlegroups.com" 
Subject:  [beagleboard] Audio capture issue with BeagleBone Black and Audio
Cape Rev B

> 
> Hi All,
> 
> We tried the Audio Cape Rev B with BeagleBone Black. The kernel version is
> 3.14.17 (https://github.com/RobertCNelson/bb-kernel.git branch am33x-v3.14)
> 
> We was able to play and record via the Audio Cape. If we record and play the
> file via the Audio Cape, it works fine. But when we move the recorded file to
> other machine or play it via the USB Sound Card, the speed of the recorded
> file seems 1.5 time slower than it really is.
> 
> On the board, we recorded the audio with
> arecord -t raw -f S16_LE -r 44100 /tmp/1.raw
> 
> Then, we playback the file with command
> aplay -t raw -f S16_LE -r 44100 /tmp/1.raw
> 
> 1/ On x86 machine, the voice become very slow. If we change the sampling rate
> to 63000, it is played close to the real voice we recorded.
> 2/ Trying with a USB Sound Card plugged directly to the board.
> aplay -t raw -f S16_LE -r 44100 -D plughw:1,0 /tmp/1.raw
> We saw the same issue as seen on x86 machine
> 
> It seems that there is something wrong with the sampling rate clock. May
> anyone please give some suggestions
I¹ve seen the same problem when recording on the BBB and then playing the
same file on my Ubuntu Desktop. Not sure why this happens. I¹m using
3.15.10-bone8. 

Regards,
John
> 
> Thanks
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Re: [beagleboard] Audio capture issue with BeagleBone Black and Audio Cape Rev B

[Dien Nguyen]

Hi John,

Did you solve the issue yet, may you please share how to fix it? We also
tried with 3.18 and the issue is still there.

Thanks,
Dustin

On Mon, Dec 1, 2014 at 12:29 PM, John Syn  wrote:

>
> From: Dien Nguyen 
> Reply-To: "beagleboard@googlegroups.com" 
> Date: Sunday, November 30, 2014 at 7:14 PM
> To: "beagleboard@googlegroups.com" 
> Subject: [beagleboard] Audio capture issue with BeagleBone Black and
> Audio Cape Rev B
>
>
> Hi All,
>
> We tried the Audio Cape Rev B with BeagleBone Black. The kernel version is
> 3.14.17 (https://github.com/RobertCNelson/bb-kernel.git branch
> am33x-v3.14)
>
> We was able to play and record via the Audio Cape. If we record and play
> the file via the Audio Cape, it works fine. But when we move the recorded
> file to other machine or play it via the USB Sound Card, the speed of the
> recorded file seems 1.5 time slower than it really is.
>
> On the board, we recorded the audio with
> arecord -t raw -f S16_LE -r 44100 /tmp/1.raw
>
> Then, we playback the file with command
> aplay -t raw -f S16_LE -r 44100 /tmp/1.raw
>
> 1/ On x86 machine, the voice become very slow. If we change the sampling
> rate to 63000, it is played close to the real voice we recorded.
> 2/ Trying with a USB Sound Card plugged directly to the board.
> aplay -t raw -f S16_LE -r 44100 -D plughw:1,0 /tmp/1.raw
> We saw the same issue as seen on x86 machine
>
> It seems that there is something wrong with the sampling rate clock. May
> anyone please give some suggestions
>
> I've seen the same problem when recording on the BBB and then playing the
> same file on my Ubuntu Desktop. Not sure why this happens. I'm using
> 3.15.10-bone8.
>
> Regards,
> John
>
>
> Thanks
>
> --
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Re: [beagleboard] Audio capture issue with BeagleBone Black and Audio Cape Rev B

[Jesse Cobra]

Curious what happens if you try 48k sampling?
On Nov 30, 2014 9:37 PM, "Dien Nguyen" 
wrote:

> Hi John,
>
> Did you solve the issue yet, may you please share how to fix it? We also
> tried with 3.18 and the issue is still there.
>
> Thanks,
> Dustin
>
> On Mon, Dec 1, 2014 at 12:29 PM, John Syn  wrote:
>
>>
>> From: Dien Nguyen 
>> Reply-To: "beagleboard@googlegroups.com" 
>> Date: Sunday, November 30, 2014 at 7:14 PM
>> To: "beagleboard@googlegroups.com" 
>> Subject: [beagleboard] Audio capture issue with BeagleBone Black and
>> Audio Cape Rev B
>>
>>
>> Hi All,
>>
>> We tried the Audio Cape Rev B with BeagleBone Black. The kernel version
>> is 3.14.17 (https://github.com/RobertCNelson/bb-kernel.git branch
>> am33x-v3.14)
>>
>> We was able to play and record via the Audio Cape. If we record and play
>> the file via the Audio Cape, it works fine. But when we move the recorded
>> file to other machine or play it via the USB Sound Card, the speed of the
>> recorded file seems 1.5 time slower than it really is.
>>
>> On the board, we recorded the audio with
>> arecord -t raw -f S16_LE -r 44100 /tmp/1.raw
>>
>> Then, we playback the file with command
>> aplay -t raw -f S16_LE -r 44100 /tmp/1.raw
>>
>> 1/ On x86 machine, the voice become very slow. If we change the sampling
>> rate to 63000, it is played close to the real voice we recorded.
>> 2/ Trying with a USB Sound Card plugged directly to the board.
>> aplay -t raw -f S16_LE -r 44100 -D plughw:1,0 /tmp/1.raw
>> We saw the same issue as seen on x86 machine
>>
>> It seems that there is something wrong with the sampling rate clock. May
>> anyone please give some suggestions
>>
>> I’ve seen the same problem when recording on the BBB and then playing the
>> same file on my Ubuntu Desktop. Not sure why this happens. I’m using
>> 3.15.10-bone8.
>>
>> Regards,
>> John
>>
>>
>> Thanks
>>
>> --
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