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by dom
Mon Mar 20, 2017 11:40 am
Forum: Linux Kernel
Topic: Continued support for Linux 4.4 LTS on Raspberry Pi
Replies: 4
Views: 1413

Re: Continued support for Linux 4.4 LTS on Raspberry Pi

Just to clarify the default branch of raspberrpi/linux is 4.9. The master branch of raspberrypi/firmware (which includes pre-built linux kernel) contains 4.9 kernel. This is what you get from current rpi-update and will get from a future apt-get (when we next bump apt repo). The stable branch of ras...
by dom
Sun Mar 19, 2017 12:49 pm
Forum: General discussion
Topic: Pi3 internet browsing and Youtube performance
Replies: 29
Views: 81102

Re: Pi3 internet browsing and Youtube performance

treeHouse wrote:I have 2 rp3's, one on a 720p tv and the other on a 1080p.
The latest chromium does full screen youtube very well on the 720, but choppily on the 1080.
Increasing GPU memory (e.g. through raspi-config) does help fullscreen video decode in Chromium a little. 80M should be enough.
by dom
Sun Mar 19, 2017 11:44 am
Forum: General discussion
Topic: New Open GL Driver, Bug report thread
Replies: 94
Views: 34687

Re: New Open GL Driver, Bug report thread

ric96 wrote:So needed some clearance with the difference between the kms and fkms dtoverlay, and is it related to full kms and fake kms option recently introduced in the raspi-config?
Did you you read the linked post? It describes the differences.
Yes, fkms is referred to as fake kms in raspi-config.
by dom
Sat Mar 18, 2017 8:45 pm
Forum: General discussion
Topic: New Open GL Driver, Bug report thread
Replies: 94
Views: 34687

Re: New Open GL Driver, Bug report thread

I have the vc4-kms-v3d driver specified in config.txt. I see the login prompt and command line console on the hdmi monitor, but when I try to run omxplayer, I see the text output of the program but no video. Correct. vc4-kms-v3d will disable any gpu features that drive the display. You can use the ...
by dom
Sat Mar 18, 2017 12:59 pm
Forum: General programming discussion
Topic: Native graphical RPI/ARM disassembler / monitor
Replies: 4
Views: 814

Re: Native graphical RPI/ARM disassembler / monitor

gdb is the standard linux debugger. It will allow you to disassemble, see registers and step through code.
It is a textual tool, although the TUI (textual user interface) mode is a bit more friendly.
There are GUI tools that wrap around gdb, but I've never tried them on Pi.
by dom
Sat Mar 18, 2017 12:52 pm
Forum: Linux Kernel
Topic: Continued support for Linux 4.4 LTS on Raspberry Pi
Replies: 4
Views: 1413

Re: Continued support for Linux 4.4 LTS on Raspberry Pi

The stable branch for raspberrypi/linux will be used when there is an essential 4.4 kernel update, before 4.9 reaches stable. e.g. it has used for adding Pi0W support to 4.4 without forcing users onto 4.9 early. It could be used if there is a critical vulnerability patch. It won't be updated with th...
by dom
Wed Mar 15, 2017 1:08 pm
Forum: Beginners
Topic: Throttled 0x5000?
Replies: 5
Views: 881

Re: Throttled 0x5000?

sora03 wrote:0x5000 = ? What is this?
0x5005 = ? This is the <4.65V right?
I suspect you have mistyped and the numbers are actually 0x50000 and 0x50005.
The first means under-voltage has previously occurred and Pi was throttled.
The second means under-voltage is currently occuring and Pi is throttled.
by dom
Tue Mar 14, 2017 4:35 pm
Forum: Troubleshooting
Topic: OSMC Problem
Replies: 2
Views: 309

Re: OSMC Problem

There is an osmc forum: https://discourse.osmc.tv/
which is probably best for questions like this.

You will need to provide more details.
I have never seen anything that I'd recognise as "open error screen ( memory full)".
A photo, or the exact wording of what you see would be useful.
by dom
Mon Mar 13, 2017 2:35 pm
Forum: General discussion
Topic: Raspberry Pi 4 possible h.265 decoder?
Replies: 63
Views: 54363

Re: Raspberry Pi 4 possible h.265 decoder?

We've looked at German dvb-t2 streams. They use 8-bit hevc with:
1920x1080@50
1280x720@50
960x540@50

The 50fps output is a bit of a killer, so 1920x1080@50 will never be possible with Pi3.
However we have recently got 1280x720@50 and 960x540@50 streams playing well on Pi3.
by dom
Mon Mar 13, 2017 12:26 pm
Forum: Beginners
Topic: Raspberry pi hdmi problem
Replies: 6
Views: 703

Re: Raspberry pi hdmi problem

Would it help to download the newest noobs version and install it on the sd card? Hope you can help me Yes. Your problem is most likely using a NOOBS version older than the Pi you are running it on. You should always use the most recent of NOOBS possible. If you bought a sdcard with NOOBS preinstal...
by dom
Sun Mar 12, 2017 6:45 pm
Forum: Beginners
Topic: Raspberry pi hdmi problem
Replies: 6
Views: 703

Re: Raspberry pi hdmi problem

Is the Pi2 a new one? (using the BCM2837 SoC)
It will need a recent NOOBS image - an old sdcard won't boot.
by dom
Fri Mar 10, 2017 8:18 pm
Forum: Graphics programming
Topic: 60hz lock on GPU?
Replies: 8
Views: 1591

Re: 60hz lock on GPU?

Have a look at eglSwapInterval.
by dom
Thu Feb 23, 2017 4:05 pm
Forum: Off topic discussion
Topic: Compatibility of RPI 3 and Odroid Screen
Replies: 10
Views: 1824

Re: Compatibility of RPI 3 and Odroid Screen

Still no video. I successfully forced the hdmi size (tested on my monitor) but the 5 ich screen is still rolling black bars. I really think its just a compatibility issue. I really appretiate youre guys help. only think i can think of is perhaps theres software out there to make these compatible Wh...
by dom
Wed Feb 22, 2017 9:42 pm
Forum: Beginners
Topic: Using a power supply under the recommandation
Replies: 9
Views: 1187

Re: Using a power supply under the recommandation

I'm running it headless but even if it's connected to a screen, no rainbow square until I run Kodi for instance so I guess there is no problem for a headless use :) If headless run: vcgencmd get_throttled If it is always zero then you have nothing to worry about. If you see non-zero then report her...
by dom
Wed Feb 22, 2017 3:02 pm
Forum: General discussion
Topic: DTS-MA passthrough
Replies: 192
Views: 92001

Re: DTS-MA passthrough

I'm trying to establish a device that will send 24Bit/48KHz PCM to a home cinema receiver and if I can prove no loss my Dad will believe me that the DTS light coming on will make no noticeable difference! Does that apply generally to pcm transfer in this fashion or specifically to the raspberry Pi?...
by dom
Wed Feb 22, 2017 2:48 pm
Forum: Off topic discussion
Topic: Compatibility of RPI 3 and Odroid Screen
Replies: 10
Views: 1824

Re: Compatibility of RPI 3 and Odroid Screen

Firstly if you connect the screen to another hdmi source (set-top box or blu-ray player) does it work? That may give a clue if it is a standard HDMI display, or something custom. Possibly it only supports 800x480 which is a non-standard resolution. The can generate custom screen modes. See: https://...
by dom
Wed Feb 22, 2017 12:25 pm
Forum: Gaming
Topic: problem with psx emulation
Replies: 3
Views: 721

Re: problem with psx emulation

Run "tvservice -s" on the Pi when connected to each TV. Possibly a higher resolution results is lower performance, but the resolution can forced.
by dom
Tue Feb 21, 2017 4:54 pm
Forum: General discussion
Topic: DTS-MA passthrough
Replies: 192
Views: 92001

Re: DTS-MA passthrough

With the decoding it's been mentioned that it decodes to 8 channel 48KHz PCM, will this still be 24bit, or is it reduced to 16bit, forgive my ignorance, just can't seem to find any reference that confirms either way. Wasn't sure if the bandwidth is mostly frequency limited or if the bit depth also ...
by dom
Mon Feb 20, 2017 8:53 pm
Forum: Advanced users
Topic: Moving Linux kernel to 4.9
Replies: 289
Views: 88757

Re: Moving Linux kernel to 4.9

The master branch of rpi-update has now updated to 4.9 kernel tree.
Assuming no obvious problems then apt-get and raspbian images will also be updated in the near future (e.g. a month's time).
by dom
Thu Feb 16, 2017 4:33 pm
Forum: Advanced users
Topic: Moving Linux kernel to 4.9
Replies: 289
Views: 88757

Re: Moving Linux kernel to 4.9

need disable h264ify when enable fkms driver, otherwise youtube wont play. That is unrelated to the 4.9 kernel. It is probably an experimental graphics driver issue. [ 87.523006] vc4-drm soc:gpu: failed to allocate buffer with size 7372800 [ 87.562753] vc4-drm soc:gpu: failed to allocate buffer wit...
by dom
Thu Feb 16, 2017 11:46 am
Forum: Advanced users
Topic: Moving Linux kernel to 4.9
Replies: 289
Views: 88757

Re: Moving Linux kernel to 4.9

cjan wrote:ok, Chromium update to 56, but seems against with h264ify, so how to setup properly.
I'm not really understanding your issue.
I've updated to latest Chromium 56 and 4.9 kernel and Chromium seems fine and videos are HW accelerated.
by dom
Thu Feb 16, 2017 10:52 am
Forum: Troubleshooting
Topic: STICKY: Setting up HDMI output when video output is wrong.
Replies: 522
Views: 812312

Re: Setting up HDMI output when video output isn't what you

bohrabohrafamily wrote:Now should I try uncommenting the lines back to see what restores the full size and what caused the break :geek:
Try adding disable_overscan=1
by dom
Wed Feb 15, 2017 2:25 pm
Forum: Advanced users
Topic: Moving Linux kernel to 4.9
Replies: 289
Views: 88757

Re: Moving Linux kernel to 4.9

Did notice [ 0.000000] arm_arch_timer: WARNING: Invalid trigger for IRQ16, assuming level low [ 0.000000] arm_arch_timer: WARNING: Please fix your firmware [ 0.000000] arm_arch_timer: WARNING: Invalid trigger for IRQ17, assuming level low [ 0.000000] arm_arch_timer: WARNING: Please fix your firmwar...
by dom
Wed Feb 15, 2017 2:23 pm
Forum: Advanced users
Topic: Moving Linux kernel to 4.9
Replies: 289
Views: 88757

Re: Moving Linux kernel to 4.9

After updating to firmware next (4.9 actually), I am getting: [ 3.061537] snd-rpi-hifiberry-dacplus soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered [ 3.061689] snd-rpi-hifiberry-dacplus soc:sound: snd_soc_register_card() failed: -517 [ 3.128564] snd-rpi-hifiberry-dacplus soc:sound: pcm512x-h...
by dom
Wed Feb 15, 2017 2:22 pm
Forum: Advanced users
Topic: Moving Linux kernel to 4.9
Replies: 289
Views: 88757

Re: Moving Linux kernel to 4.9

last update to #966, chromium youtube crashed. ps. did not enable VC4. Chromium doesn't support HW video decode on 4.9 yet (we are testing a version which does work but it's not been pushed out yet). In my testing Chromium worked correctly with 4.9 but video wasn't HW accelerated. When you say it c...

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