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by portets
Mon Sep 24, 2012 9:28 pm
Forum: Advanced users
Topic: Overclocking
Replies: 1125
Views: 585677

Re: Overclocking

In addition to: [ 10.878268] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) [ 11.403159] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) [ 16.462634] mmc0: missed completion of cmd 18 DMA (512/512 [1]/[1]) - ignoring it I also get: [ 16.478712] mmc0: DMA IRQ 6 ignored - results were reset About 1 out o...
by portets
Mon Sep 24, 2012 6:57 pm
Forum: Gaming
Topic: SNES with audio, anyone?
Replies: 7
Views: 3509

Re: SNES with audio, anyone?

in your retroarch.cfg file, scroll down to where it says

Code: Select all

# audio_driver = 
and change it to:

Code: Select all

audio_driver = sdl
(make sure to remove the hash symbol)
by portets
Mon Sep 24, 2012 6:41 pm
Forum: Advanced users
Topic: dynamic memory split
Replies: 16
Views: 4687

Re: dynamic memory split

This page takes exactly 3 seconds to load for me. 5 seconds without overclock. Is your internet connection fast on other computers?
by portets
Sat Sep 22, 2012 11:34 pm
Forum: Troubleshooting
Topic: My brand new Pi won't boot - at all
Replies: 15
Views: 2059

Re: My brand new Pi won't boot - at all

Can you get a different volt meter? 5.94 could be enough to break something.
by portets
Fri Sep 21, 2012 11:07 pm
Forum: Advanced users
Topic: Overclocking
Replies: 1125
Views: 585677

Re: Overclocking

I'd be interested in people experimenting with each of the values in the overclock (arm_freq, core_freq, sdram_freq and over_voltage). Try reducing each of those back to stock and report which of them is critical to the corruption occurring. Also if you can try on more than one sdcard - possibly so...
by portets
Fri Sep 21, 2012 9:42 pm
Forum: Advanced users
Topic: Overclocking
Replies: 1125
Views: 585677

Re: Overclocking

My pi also seems particularly sensitive to overcurrent. I'm using a high quality regulated 5v bypassing the polyfuse as well. Tested overclocks using quake3 and compiling various programs. no overvolt: arm_freq=990 sdram_freq=600 core_freq=450 with over_volt=6: arm_freq=950 sdram_freq=500 core_freq=...
by portets
Fri Sep 21, 2012 1:18 am
Forum: Troubleshooting
Topic: Pi won't boot after a day on "Turbo Mode"
Replies: 5
Views: 1091

Re: Pi won't boot after a day on "Turbo Mode"

Do you have access to a volt meter?
by portets
Wed Aug 08, 2012 8:37 am
Forum: Gaming
Topic: PCSX-ReARMed on Pi
Replies: 36
Views: 19636

Re: PCSX-ReARMed on Pi

I've noticed in other applications that the sound backend can be chosen in run slower with SDL sound. ALSA is way faster but has terrible popping that'll hopefully be fixed soon. I think the quality issues with ALSA may only be on the analog out though. You don't have to modify config.mak to enable ...
by portets
Wed Aug 08, 2012 6:37 am
Forum: Off topic discussion
Topic: Nintendo 64 :)
Replies: 5
Views: 4158

Re: Nintendo 64 :)

A couple people were working on a port a while back, but it's been a while since anyone heard from them(to my knowledge).

Best wait I guess. :(

ps1 emulator is working though.
by portets
Tue Aug 07, 2012 7:21 pm
Forum: General programming discussion
Topic: What to do at the start
Replies: 2
Views: 771

Re: What to do at the start

What're you wanting to do?

Here's a good python 3 tutorial: http://en.wikibooks.org/wiki/Non-Progra ... r_Python_3
by portets
Mon Aug 06, 2012 10:17 am
Forum: General discussion
Topic: SD Card performance in R-Pi onboard slot
Replies: 289
Views: 158759

Re: SD Card performance in R-Pi onboard slot

Aug 05 commit appears to have fixed my issue.
by portets
Sun Aug 05, 2012 11:26 am
Forum: General discussion
Topic: SD Card performance in R-Pi onboard slot
Replies: 289
Views: 158759

Re: SD Card performance in R-Pi onboard slot

I'll have to check that out. But shouldn't the older start.elf files also not work when immediately replacing the current one? They're the same size, so I assumed the file would occupy the same exact spot as the previous file if copied after deleting it.
by portets
Sun Aug 05, 2012 11:23 am
Forum: Gaming
Topic: PCSX-ReARMed on Pi
Replies: 36
Views: 19636

Re: PCSX-ReARMed on Pi

Been gone for a few days. Great to know it's working good for everyone. :)

Will have to check out the new changes and thank notaz for this! :D
by portets
Fri Aug 03, 2012 11:06 am
Forum: Gaming
Topic: PCSX-ReARMed on Pi
Replies: 36
Views: 19636

Re: PCSX-ReARMed on Pi

https://docs.google.com/file/d/0ByBA2iQ ... edit?pli=1
This contains the executable as well. Don't know all of the dependencies though :(

I don't upload things much. Where would be a better place?
by portets
Fri Aug 03, 2012 10:45 am
Forum: General discussion
Topic: SD Card performance in R-Pi onboard slot
Replies: 289
Views: 158759

Re: SD Card performance in R-Pi onboard slot

Yeah, just checked. Overscan settings are definitely applied, but framebuffer size isn't. Doesn't matter where things are placed in the config file. Empty config file doesn't boot either. With and without the two new cmdline.txt arguments, doesn't matter. And the status led's on-board all behave com...
by portets
Fri Aug 03, 2012 9:40 am
Forum: Gaming
Topic: PCSX-ReARMed on Pi
Replies: 36
Views: 19636

Re: PCSX-ReARMed on Pi

Open up configure and delete this section: # header/library presence tests check_zlib() { cat > $TMPC <<EOF #include <zlib.h> void main() { uncompress(0, 0, 0, 0); } EOF compile_binary } check_bzlib() { cat > $TMPC <<EOF #include <bzlib.h> void main() { BZ2_bzBuffToBuffDecompress(0, 0, 0, 0, 0, 0); ...
by portets
Fri Aug 03, 2012 9:09 am
Forum: Gaming
Topic: PCSX-ReARMed on Pi
Replies: 36
Views: 19636

PCSX-ReARMed on Pi

A new version of PCSX-ReARMed was released that adds an SDL port. Figured I'd try getting it running. Just a little modification and so far we have:
Image
:D
Kind of slow, but almost playable with frameskip. Just hoping I can get the gles gpu plugin working.
by portets
Fri Aug 03, 2012 3:50 am
Forum: General discussion
Topic: SD Card performance in R-Pi onboard slot
Replies: 289
Views: 158759

Re: SD Card performance in R-Pi onboard slot

After unplugging my pi the latest firmware fails to boot. Rebooting was fine before I unplugged it. As does rolling back to previous elfs. No combination of config.txt or cmdline.txt parameters appears to affect this. Tried redownloading the elfs myself to no avail. The rainbow screen comes up, is r...
by portets
Thu Aug 02, 2012 11:10 pm
Forum: General discussion
Topic: SD Card performance in R-Pi onboard slot
Replies: 289
Views: 158759

Re: SD Card performance in R-Pi onboard slot

Wow, don't know if it's just my sd card or what. Going from the july 25th raspbian untested repository update to this significantly reduced boot time for me. About 8 seconds shaved off. Boots to desktop in 33 seconds, down from 41.

5 year old PNY 4GB class 4
by portets
Thu Aug 02, 2012 10:45 pm
Forum: Advanced users
Topic: Overclocking
Replies: 1125
Views: 585677

Re: Overclocking

I got extremely lucky :) . Stable for me with no overvolt and thorough testing:

Code: Select all

arm_freq=990
sdram_freq=600
core_freq=420
gpu_freq=280
And no, there are no typo's there. My ram could be clocked higher, but dom said the sdram_freq currently maxes out at 600.
by portets
Thu Aug 02, 2012 10:40 pm
Forum: Advanced users
Topic: Benchmark program
Replies: 10
Views: 6426

Re: Benchmark program

The gpu should be equal to or half of core speed. Or 1/3 of 2x core speed. example: core_freq=420 420 x 2 = 840 840 / 3 = 280 gpu_freq=280 arm_freq is the cpu, core freq is something related to the interaction between the gpu and cpu. Core freq also changes the cpu's l2 cache speed. Your gpu_freq is...
by portets
Wed Aug 01, 2012 10:10 am
Forum: Advanced users
Topic: Overclocking
Replies: 1125
Views: 585677

Re: Overclocking

I'm going to try overclocking tonight and would appreciate a little advice. This thread is a bit long to find what I'm looking for easily! So, to overclock I just use "arm_freq" to set the cpu speed to ~800mhz (as a starting point)? Yeah, arm_freq=800 is a good starting point. Remember over-volting...
by portets
Wed Aug 01, 2012 6:59 am
Forum: Off topic discussion
Topic: Gooseberry :( :( :(
Replies: 26
Views: 6704

Re: Gooseberry :( :( :(

We're busy benchmarking at the moment against a bunch of A10 platforms, and while CPU is a bit of a wash, we're still streets ahead on graphics performance.. I assume you're optimizing with compiler flags? And with the gooseberry people playing dirty, are you testing with an overclocked pi? ;) (I h...
by portets
Tue Jul 31, 2012 4:04 am
Forum: General programming discussion
Topic: XServer acceleration
Replies: 3
Views: 1276

Re: XServer acceleration

Someone else is working on x accel, maybe you could work with them? http://www.raspberrypi.org/phpBB3/viewtopic.php?t=4649
by portets
Tue Jul 31, 2012 3:59 am
Forum: Troubleshooting
Topic: RCA composite video display
Replies: 15
Views: 50389

Re: RCA composite video display

Open a terminal and type:

Code: Select all

pcmanfm --desktop-pref
under the desktop tab, uncheck the box.

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