Raspberry Pi - $35 Linux computer

  • Thread starter Thread starter daz
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What OS is it?

I know with certain OS's they would work fine on the PiB, but needed slight changes for the Pi2. Openelec for one..
 
It's Raspbian..

It just kept crashing and coming up with memory errors when I tried to memtester it. At different addresses.

I think I worked out the error in my ways. Since I've transferred the OS from my old PI to this new PI2, I'd ran rasp-config and just selected the option that said pi2 in the overclock selection, which is not the standard settings for a pi2 but a overclocked pi2.

I've just set it to what I think is the default settings now.
arm_freq=900
core_freq=250
sdram_freq=450

And giving it another memtester to see what the results are like.

EDIT: Can someone confirm that those are the default settings and I've not unclocked my pi2. lol
 
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Default frequency is 600, it ramps up on the fly. I don't run any overclocks on mine.

What I'd do is get a second SD card and see if a fresh install behaves..
 
It's fine on bench now, the default for the first pi was 600 but then got moved to 700, I'm sure the default for pi2 is 900, just can find the speed of the ddr2 that they used.. 400?

Some OSes like openelec are much more demanding in the cpu and unclock the cpu to make it more stable.

I've moved back to my 700mah psu, as I'm running it as a header less server, just the nic, sd card and one usb pen is requiring power.
 
Bought the Pi 2 last weekend and it's been a noticeable improvement as a mediastreamer with OpenElec and RasPLEX over the original. Fancy getting another one just to play around with.

That said I've tried to install RetroPie on the original which was fairly easy to setup and works with a number of my joypads but I can't get it to load any games. It sees them but crashes back to the menu out when trying to load any of the game.

Just wondered if anyone has set-up RetroPie successfully? There are numerous guides out there but equally I wasn't alone when google searches reveal others having the same problems.
 
Guys anybody else having trouble with the OSMC download page? My AV blocks access to it as it apparently is an IP associated with Malware...?

Edit: Nevermind - I sourced the download elsewhere...

So OSMC... I don't think it's my imagination but it feels somehow clunkier / less responsive than OpenELEC. I find the strange wheel-like thing in the "OSMC Settings" addon pretty much totally incomprehensible (what the heck do the different symbols mean?) and for some reason it doesn't want to scrape my entire library; after adding the source and letting it update I look and find only a handful of expected TV Shows, and telling it to "scan for new content" results in it doing nothing - am I missing something? Other than these (fairly major) issues it seems... okay... I guess... it seems like it would do the job. I haven't tried changing the skin but the OSMC skin seems very amateur compared to the Aeon Nox or something flashier

Moving on - I set about getting Limelight Pi up and running underneath OSMC, it wasn't too bad; install the Oracle JDK, libopus0, alsa-utils, and the limelight.jar file itself. I was able to pair the pi2 with my main PC easy enough, and after a few initial issues (need to load a sound module manually - I may add this to "/etc/modules" to avoid the need for this) I was able to get it to open the stream and launch Steam in big picture mode. Initial impressions are it's very responsive - with the pi2 and my PC side by side it was hard to tell the difference between controlling the menus with the keyboard attached to the PC vs. the one attached to the pi2. However I then hit a few issues:

* If anything goes wrong during the process and limelight crashes, the PC will sometimes refuse to terminate the stream processes (via task manager or otherwise); this can occasionally leave the resolution on the PC all messed up, or at the very least it makes it impossible to re-open the stream (with an error saying something like "the stream is minimized, please maximize it and try again" - but doing so does nothing)

* It won't actually launch the games! If I navigate to a game I know should work it responds as if it's preparing the game to launch but then it just drops back to the menu and nothing happens. I tried using the PC's keyboard instead to launch a game and this did work, but shortly after limelight crashed

* Maybe this is something which would go away when the above are fixed, but using the stream messes up the position of any windows I have open on the PC (I have 3x monitors in 5:4 - 16:10 - 5:4 if that's relevant)

Do either of the above sound familiar to anyone?
 
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Just got my pi2 last week having a play now , what's some good stuff to play around with ? Bit of a noob when it comes to programming but I'm very interested in Learning :D

Also has anyone installed android on there's ? If so how's it run and is it possible to have raspbian and android both installed on same sd card or domi have to have separate ones ?
 
Just got my pi2 last week having a play now , what's some good stuff to play around with ? Bit of a noob when it comes to programming but I'm very interested in Learning :D

Also has anyone installed android on there's ? If so how's it run and is it possible to have raspbian and android both installed on same sd card or domi have to have separate ones ?

Your out of luck on Android I'm afraid.

There's currently no release available and AFAIK nobody is actively working on one either
 
I see ! Will have to look into it , just having a play now :) any idea how to make the screen fit my tv ? Got it plugged in through hdmi but got black bars all way round , and cant edit it in the monitor settings
 
Hi guys. I have a pi that is running openvpn, minidlna, deluge and samba. I am able to look at my sky router to see when people are logging in to the openvpn setup as that is recorded for each connection. It only is showing my connections from my work machine. However when I was looking at the router LEDs, the pi connection was flashing quite a lot, so I am worried that something untoward is going on with my little server.

I have run a netstat and I could only see the following...

Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 localhost:40469 localhost:58846 ESTABLISHED
tcp 0 200 raspberrypi:ssh android-cff33ff81:43210 ESTABLISHED
tcp 0 0 localhost:58846 localhost:40469 ESTABLISHED
Active UNIX domain sockets (w/o servers)
Proto RefCnt Flags Type State I-Node Path
unix 2 [ ] DGRAM 6579 /var/run/thd.socket
unix 6 [ ] DGRAM 6091 /dev/log
unix 3 [ ] DGRAM 3847
unix 2 [ ] DGRAM 6251
unix 3 [ ] STREAM CONNECTED 427117
unix 3 [ ] DGRAM 3848
unix 3 [ ] STREAM CONNECTED 427118
unix 3 [ ] STREAM CONNECTED 6146
unix 2 [ ] DGRAM 105319
unix 2 [ ] DGRAM 427114
unix 2 [ ] DGRAM 6171
unix 3 [ ] STREAM CONNECTED 6147

Any ideas as to a good way of monitoring connections?
 
Just a note... my issue was down to my own user error, I should have RTMF.. lol

I've had the pi running stable since friday now at standard clock speeds using my 700mah BB power supply. :)
 
Just a note... my issue was down to my own user error, I should have RTMF.. lol

I've had the pi running stable since friday now at standard clock speeds using my 700mah BB power supply. :)

Get thepihut PSU, it's 2000mah.

No point bothering with a 'might work' solution.
 
Get thepihut PSU, it's 2000mah.

No point bothering with a 'might work' solution.

It's already working... It's a headless server so all it powers is the PCP, sd card slot, nic and one usb port. I already have a 2100mah psu at home anyway.
 
Sorry i'm being lazy and my google fu has failed me this morning.

I have my install of openelec on an SSD,Could someone give me the command line for enabling trim and to check if Trim is working please

Thanks
 
To save wading through the thread...

Does anyone else suffer from 'white noise' from the 3.5mm output when playing music, films etc? Basically, at quiet points in media my Pi2 will output fuzz/white noise most of the time and it's rather annoying.
I'm running OpenELEC if that makes any difference.

As far as I can understand it's due to how the audio interface is being run by the Pi / OS so it's adding noise to the audio.

As a work around, I'm running my audio out via the HDMI into the TV then out of the TV headphone socket and into my amp that way (being a cheapskate and keeping my HiFi amp only for now) but this means I need the TV on if I just want to play some music cleanly.

Any ideas for solutions that don't cost money would be great. I will at some point get an AV amp which will sort the issue and as a nice bonus will give me surround sound, but for now I don't want to spend money.
 
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