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by minghia
Wed Jul 04, 2018 11:49 am
Forum: Advanced users
Topic: Net booting RPi 3B+ constantly reading SD card
Replies: 3
Views: 440

Net booting RPi 3B+ constantly reading SD card

I have got my 3B+ to netboot but I have a problem where the system is periodically accessing the SD card, or at least that what I think it is doing. The green ACT LED is flashing every so often like a heartbeat. This affects audio play back. Every time the led flashes the audio drops out. If I insta...
by minghia
Mon Jul 02, 2018 2:14 am
Forum: Troubleshooting
Topic: Problems replaying audio
Replies: 1
Views: 132

Problems replaying audio

I have a network booted my Raspberry Pi 3B+ and I am trying to play some wav files using aplay to play over a set of USB headphones. When I play the ALSA samples from /usr/share/sounds/alsa, the sound is chopped at random points in the play back. The chopping in the audio corresponds to the green ac...
by minghia
Fri Jun 01, 2018 3:12 am
Forum: General discussion
Topic: Use initramfs?
Replies: 58
Views: 45397

Re: Use initramfs?

I tried to add mounting /usr via NFS in the initrd.img and it didn't work. I even added a script to add /etc/initramfs-tools/scripts/local-premount to mount rm NFS /usr mount. This did not work. Somehow /usr needs to be mounted in the boot up phase but there is no way to mount it via NFS. The only w...
by minghia
Thu May 31, 2018 9:44 am
Forum: Advanced users
Topic: nfs mount /usr at boot time
Replies: 1
Views: 323

nfs mount /usr at boot time

I'm trying to boot my Raspberry Pi 3B via NFS. I have got the system booting if I have everything under the one directory and use that in my cmdline.txt file. However since I plan to have 20 such system booting over nfs I also want to have a common /usr directory. I have found a few suggestions onli...
by minghia
Fri May 18, 2018 11:40 am
Forum: Java
Topic: Where is the default position for a JavaFX window on the default window manager in Raspbian?
Replies: 0
Views: 920

Where is the default position for a JavaFX window on the default window manager in Raspbian?

Where is the default position for a JavaFX window on the default window manager in Raspbian? I am trying to render a JavaFX window on a screen in portrait mode but the window is being drawn in the middle of the screen rather than the bottom or the top. I'm not sure if the window manager is getting i...

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