NILFS on SSD with arch x86_64...Need, Info and suggestions

Is there a way to use NILFS as my root partition in Arch64? I want to use it for my ssd.
Last edited by hunterthomson (2009-03-20 04:52:24)

Ashren wrote:With kernel 2.6.30 coming up nilfs will be directly supported. Does this filesystem really "dramatically" increase write speed as this snippet claims?
I never did try it. It is too beta for my taste right now. But ya, It will "Dramatically" increase write speed because every write is a linear write and "Never" a random write. Once the few bugs are worked out it will be the best file-system ever, No joke at all.
Last edited by hunterthomson (2009-06-07 10:18:35)

Similar Messages

Tables, Interfaces to Unicode - Need Info and/or Tutorials

Hi,
I need information and/or tutorials on moving Tables, and Interfaces to Unicode (at least 1 of those is fine.)
All responses will be greatly appreciated and rewarded.
Thanks,
John

ABAP Development under Unicode
Prior to Unicode the length of a character was exactly one byte, allowing implicit typecasts or memory-layout oriented programming. With Unicode this situation has changed: One character is no longer one byte, so that additional specifications have to be added to define the unit of measure for implicit or explicit references to (the length of) characters.
Character-like data in ABAP are always represented with the UTF-16 - standard (also used in Java or other development tools like Microsoft's Visual Basic); but this format is not related to the encoding of the underlying database.
A Unicode-enabled ABAP program (UP) is a program in which all Unicode checks are effective. Such a program returns the same results in a non-Unicode system (NUS) as in a Unicode system (US). In order to perform the relevant syntax checks, you must activate the Unicode flag in the screens of the program and class attributes.
In a US, you can only execute programs for which the Unicode flag is set. In future, the Unicode flag must be set for all SAP programs to enable them to run on a US. If the Unicode flag is set for a program, the syntax is checked and the program executed according to the rules described in this document, regardless of whether the system is a US or a NUS. From now on, the Unicode flag must be set for all new programs and classes that are created.
If the Unicode flag is not set, a program can only be executed in an NUS. The syntactical and semantic changes described below do not apply to such programs. However, you can use all language extensions that have been introduced in the process of the conversion to Unicode.
As a result of the modifications and restrictions associated with the Unicode flag, programs are executed in both Unicode and non-Unicode systems with the same semantics to a large degree. In rare cases, however, differences may occur. Programs that are designed to run on both systems therefore need to be tested on both platforms.
Other Changes
1.     Bit Statements
2.     Adding Field Sequences
3.     Loops with VARY and VARYING
4.     Creating Subroutines
5.     Saving Programs
6.     Assigning Types for GET/SET PARAMETER
7.     Unreachable Statements
8.     Function Modules with Incorrect Parameter Names
1. Bit Statements
Previously, the system checked for the bit statements SET BIT i OF f [TO g] and GET BIT i OF f [INTO g]whether the field f is character-type; X fields, X strings, and flat structures are usually regarded as character-type. For Unicode programs this is no longer useful, because the types X and XSTRING no longer count as character-type and the bit by bit access to character-type fields or structures is no longer platform-independent. Therefore, with these operations in Unicode programs, the field f must be type X or XSTRING.
For the bit mask operations f O x, f Z x, and f M x you could previously use all number-type and hence all character-type types for the left operand f. In Unicode programs, the f operand must now be type X or XSTRING.
2. Adding Field Sequences
When adding field sequences, restrictions apply to the following statements in Unicode:
ADD n1 THEN n2 UNTIL nz [ ACCORDING TO sel ] GIVING m ...
ADD n1 THEN n2 UNTIL nz TO m [ RANGE str ].
1.     The operands n1, n2, and nz must be type-compatible with one another.
2.     The distance between nz and n1 must be an integral multiple of the distance between n2 and n1.
3.     A syntax or runtime error occurs if the fields n1, n2, and nz are not in a structure. This structure must be recognizable statically or its valid area must be marked explicitly using the RANGE addition.
4.     At runtime, the system ensures that the RANGE area is not left.
ADD n1 FROM i1 GIVING m [ RANGE str ].
1.     Field n1 must be within the structure. The structure must be explicitly defined using the RANGE addition if it is not recognizable statically.
2.     For this variant, the system also checks at runtime whether n1 and the addressed values are within the structure.
3. Loops
Loops with the VARY or VARYING addition are also problematic in Unicode, since a type-a access to memory contents cannot be ensured and memory can be overwritten inadvertently.
DO ... VARYING f FROM f1 NEXT f2.
For this statement, the fields f, f1, and f2 must be type-compatible with each other. To prevent memory contents being overwritten, a RANGE for valid accesses is introduced implicitly or explicitly for the following statements:
DO ... TIMES VARYING f FROM f1 NEXT f2 [ RANGE f3 ].
WHILE ... VARY f FROM f1 NEXT f2       [ RANGE f3 ].
A syntax or runtime error is caused if f1 or f2 are not included in f3. If the RANGE addition is missing, it is defined implicitly from FROM f1 NEXT f2 as follows:
1.     If both f1 and f2 are statically recognizable components of the same structure, the valid RANGE area is defined from the smallest structure that comprises f1 and f2.
2.     A syntax error is triggered if it is recognizable statically that f1 and f2 are not part of the same structure.
3.     A valid area must be defined explicitly using the RANGE addition if the connection between f1 and f2 is not recognizable statically.
If you specify a deep structure as the RANGE addition, the system checks for every loop pass that there are no field references, object references, tables, or strings in the area read.
4. Creating Subroutines
When automatically generating subroutines using the statement GENERATE SUBROUTINE POOL itab NAME name, the generated program inherits the content of the Unicode flag of the generating program.
5. Saving Programs
When automatically generating programs using the statement INSERT REPORT prog FROM itab, default values are set for the TRDIR entry as before. Amongst other things, this statement has the new addition UNICODE ENABLING uc, with which the Unicode flag of the inserted report receives the value of uc. If this addition is missing, the following applies:
1.     A Unicode program creates a Unicode program.
2.     A non-Unicode program in turn creates a non-Unicode program.
3.     A non-Unicode program becomes a Unicode program if it is overwritten by a Unicode program.
4.     A Unicode program remains a Unicode program if it is overwritten by a non-Unicode program.
6. Assigning Types for GET/SET PARAMETER
For the statements GET PARAMETER ID pid FIELD f and GET PARAMETER ID pid FIELD f, f must be character-type. You can use the EXPORT and IMPORT statements for storing non-character-type fields and structures.
7. Unreachable Statements
In Unicode programs, unreachable statements cause a syntax error. In non-Unicode programs, there was previously only a syntax warning.
8. Function Modules with Incorrect Parameter Names
In Unicode programs, calling a function module, whose parameter names are specified statically as a literal or constant, causes an exception that can be handled if an incorrect parameter name was specified. This only applies to function modules that are not called via Remote Function Call. In non-Unicode programs, an incorrect name was previously ignored.

Need Advise and Suggestions-Oracle 10g

Hi,
I have been working on databases as DB developer(mainly PLsql)--Oracle 10g
Recently,i have joined in a particular position where I have been asked to find out areas where
improvement is necessary / or areas where improvement or changes would help very much and also gradually implement all best practises avaialable.
So,could you please help me with these queries
(1)What are the most important areas that i can start with the database which would impact largely the entire database.How can i start with it? any steps or process
(2)I had once taken a report out for the expensive SQLs running.But that dint help much...because those SQLs were used temporarily on and off.
Similarly,what are the other points to be looked on.
(3)Things which can be replaced with the industry standarad better ones fully.
an example would be...like.."following a particular naming format,or coding style,etc
Thanks
Rohit

Hi Rohit,
This is a pretty huge subject. To start, I'd say you need to talk to the business. Talk to the users of the database, cause they are your customers. Get a clear understanding of the most critical business processes. Start with the most critical ones, and get performance profiles. How long do they take to run? What's the customer's perception of the process performance? If it's acceptable, move on to the next one. If it's not acceptable, you'll need to dig deeper. Look at each piece of the process. Where is the most time being spent? Can it be improved? This step will be a combination of process improvement and setting the correct expectation. Often, the user doesn't really know what is realistic in terms of performance. If you have a 2 billion row table that needs to get full table scanned, expecting a response time of a few seconds just simply isn't going to happen. You need to clearly convey that to the customer. On the other hand, at the same time, you should be on the lookout for real improvements. If you can re-write the SQL or add an index, and eliminate the FTS on that 2 billion row table, maybe a response time of a few seconds is actually realistic.
It's all about understanding the system, and understanding the customer's needs, and how they intersect. It will be an iterative process, and will take some time.
As to "best practices", I'm not a fan of them. Understand your system, understand your customer's needs, and understand how Oracle actually works. If you can master that, you'll be unstoppable. Note that many, many people, much smarter people than me, have spent a lifetime trying to master those three points... :-)
Good luck with your new job!
-Mark

Need info and help with ARD

I would really like to get some information and help that would enable me to troubleshoot my mother's new Mac Mini for her. She lives in CA and I live in WA. She is new to Macs and I just KNOW there will be lots of desperate phone calls from her to me!
I should say right up front, though, that although I do pretty well with my own Macs, I know almost nothing about THIS subject. So, please, any help or information you choose to give me, it will need to be in plain, old English as I don't understand all this stuff.
My setup is this: (I don't know what is relevant or not) ......I have a desktop G4 running 10.4.3 that will be the computer I will use to remotely control the Mini. The Mini is also running 10.4.3 (or will be when I get it set up for her). I am connected to the internet through a wireless connection to my ISP. I have a Linksys router and connect to that via Ethernet. We have 4 other computers here at home connected to our network wirelessly.
My Mom will connect to the internet using a modem and AOL
This is what I have done so far but I have not been able to make a connection. (As a test, before I go to CA and setup the Mini, I thought I’d try to remotely control my iBook, which is on my network.) On the iBook, I enabled ARD in the Sharing preferences and checked "VNC viewers nay control screen with password" and then entered a password. On my desktop computer, I downloaded Chicken of the VNC, entered in the info I needed (address of the iBook and password) but it would not connect.
I've read so much about clients, servers, etc. here lately that my head is swimming and I’m more confused than ever!
Can I even do what I'd like? It'd sure be a sweet deal for me and avoid a lot of frustration for my Mom .......who, incidentally, is switching to a Mac from a PC at the tender young age of 75! Cool, huh? I'd really like to make it as painless for her as possible.
Thanks,
Kathy
G4/dual 1.25 and iBook G4/933 Mac OS X (10.4.3)

The phone line speed is the BIG issue.... there are things like DynDNS that cab help with the static issue...
now if you get her highspeed through cable...
good luck

I need help with changing my payment info and I have to accounts I want to delete one can u please help

I need help trying to change my payment info I can't but I have to accounts and I want to delete one please help me

We can't help. We're not Apple. Contact the iTunes store support. There's a link on the bottom of every page of the iTunes store

Can only Sync with 5 devices, need info on this please...

i'm almost on my 3rd MBP. (been upgrading) my previous MBP, i unAuthorized it but that didn't matter about the 5 sync limit!! is there anyway around this?! its with a 4S if that matters any... i might get an Apple TV Gen1 maybe Gen2, again if that matters any...
thank you

http://support.apple.com/kb/ht1420 about authorization and deauthorization. follow the link has all the info that you need

I cannot install the latest update for itunes. After installing an ssd with a dual drive kit, and freshly installing osx lion.

After downloading the update and restarting to complete the installation, as the restart process begins it is interrupted by this message: Could not install some of the updates. Then it restarts, and i am stuck with itunes 10.6.3. What could the issue be? Mac Mini mid 2011, 500gb HDD, 128gb Samsung 850 pro SSD, 8gb ram. Running OS on SSD.

First open Disk Utility and try repairing the HD
Next, I would try installing the 10.7.5 combo update
OS X Lion Update 10.7.5 (Client Combo)
Last, post in the iTunes for Mac forum
iTunes for Mac

Need info and opinions!

Ok, I have to first say that I love 10.6.4, its a great OS. Now, that being said, I also find Ubuntu 10.04 to be very useful to me, my question to the community is this, should I continue to use Parallels or should I dual boot my MacBook?
Parallels has been ok for me so far, but it has its limitations. Also, will the boot camp assistant work with Ubuntu 10.04? Thanks in advance!

Hi and welcome to Discussions,
if you run into limitations with Parallels I personally would say that it is time to go for the Dual-Boot.
The Ubuntu community has a very helpful site here https://help.ubuntu.com/community/MacBook
The BootCamp Assistant might come in handy to nondestructively partition your harddisk into two partitions, one for OSX and one for Ubuntu.
Apart from that it won't help you with the Ubuntu installation or any kind of drivers.
And to have a backup of your OSX might come in handy as well, just in case.
Regards
Stefan
Message was edited by: Fortuny

Program times out while looping at internal table with huge records - Needs fine tuning suggestions

Hi,
I am trying to execute a report. It times out while looping at vbap internal table. This internal table has 140000 records and does the validation within this loop and geenrates data for the output. Due to this huge volume, the program times out when executed foreground.
There are no nested loops, so I cannot apply 'Parallel Cursor' here.
Is there any way I can fine tune the program so that it doesn't timeout? Is it possible to apply 'Parallel Processing' . If yes, how?
Thanks,
Pavan

Hi Pavan ,
              ->sort your internal table by all primary key for vbap.
              ->Read a Record from the table (use your condition here)
              ->if record satisfys your where condition ,get that record index .
              ->loop the table from the index (without condition) .
              its like parallel cursor only but for single loop .;-)
              ->use field symbols ,wherever possible .
           if still dump is coming ,contact your basis team .
regards,
Krishna.

Looking for a better graphic card. Need feedback and suggestion

I'm looking to get a different graphic card but I'm not sure really what to buy,
These are my computer specs
Computer: Gateway Gt5228 Media center edition
OS: Windows Xp
Current graphic card: NVIDIA GeForce 6100 PCI Express Slot avaliable
I was wondering what would be a good graphic card that is a good significant upgrade. I'm looking for one that has a significant increase over what I have right now, it doesn't necessarily have to be the best out there.
I want to be able to play a game call Diablo 3
These are the High and low Performance, that the game will run with.
Supported - High PerformanceNVIDIA AMD/ATI INTEL
GeForce GTX 590
Radeon HD 6990
N/A
GeForce GTX 580
Radeon HD 6970
GeForce GTX 570
Radeon HD 6950
GeForce GTX 560 ti
Radeon HD 6870
GeForce GTX 550 ti
Radeon HD 6850
GeForce GTX 480
Radeon HD 6790
GeForce GTX 470
Radeon HD 6770
GeForce GTX 465
Radeon HD 6750
GeForce GTX 460
Radeon HD 5970
GeForce GTS 360M
Radeon HD 5870
GeForce GTX 295
Radeon HD 5850
GeForce GTX 285
Radeon HD 5830
Geforce GTX 280
Radeon HD 5770
Geforce GTX 280M
Radeon HD 5750
GeForce GTX 275
Radeon HD 4870
GeForce GTX 260
Radeon HD 4870
Quadro FX 5800
Radeon HD 4850
Radeon HD 4800
FirePro 3D V8750
FirePro 3D V8700
FireStream 9370
Firestream 9350
FireStream 9270
FireStream 9250
Supported - Low PerformanceNVIDIA AMD/ATI INTEL
GeForce 9500 GT
Radeon HD 3650 AGP
HD Graphics 4000
GeForce 9400 GT
Radeon HD 3650
HD Graphics 3000
GeForce 9300 GS
Radeon HD 3600
HD Graphics 2000/1000
GeForce 8800 GS
Radeon HD 3470
GeForce 8600 GT
Radeon HD 3450
GeForce 8600 GTS
Radeon HD 3430
GeForce 8500 GT
Radeon HD 3200
GeForce 8400 GS
Radeon HD 3100
GeForce 8400
Radeon HD 2600 XT AGP
GeForce 8300 GS
Radeon HD 2600 XT
GeForce 8300
Radeon HD 2400 Series
GeForce 8200
Radeon HD 2350
GeForce 8100
Radeon HD 2100
GeForce 7950
Mobility Radeon HD 4530
GeForce 7900
Mobility Radeon HD 4330
GeForce 7900 GS
Mobility Radeon HD 2600 XT
GeForce 9500M GS
Mobility Radeon HD 2600
GeForce 9500M G
Mobility Radeon HD 2600
GeForce 9400M
Mobility Radeon HD 2400 XT
GeForce 8600M GT
Mobility Radeon HD 2400
GeForce Go 7900
Mobility Radeon HD 2300
GeForce Go 7800
Mobility Radeon X2300
Quadro FX 5500
Radeon X1950 Series
Quadro FX 4500
Radeon E2400
Quadro FX 4000
FirePro 3D V7750
Quadro FX 3500
FirePro 3D V5700
Quadro FX 3450
Any help would be greatly appreciated
Which ones can i use with my computer but without the need to buy nothing else.
thank you
-Geo

Honestly I wouldn't spend too much trying to upgrade your computer. It has an aging dual core Athlon processor, and only 2GB of RAM. Even with the highest top of the line card, with that CPU/RAM setup, your computer is probably going to struggle to run it.
Hate to be the bearer of bad news.
If you like my post, or solution to your issue/question, go ahead and click on the little star by my name and/or accept the post as the Solution. It makes me happy.
I'm NOT an employee of Best Buy, or Geek Squad, though I did work as an Agent for a year 5 years ago. None of my posts are to be taken as the official stance that Best Buy will take on your situation. My advice is just that, advice.
Unfortunately, that's the bad luck of any electronic, there's going to be bad Apples... wait that's a horrible pun.

Arch x86_64 won't boot, but i686 will. Live USB and HDD.

To be more succinct, what could cause 64 bit arch not to boot when 32 bit arch boots fine on a non-UEFI system that supports 64 bit, when all other variables are constant?
My first response seeing this post would be to immediately assume the noob (me) posting this doesn't know the difference between a 32 and 64 bit system. However, "ubuntu-14.04.1-desktop-amd64.iso" (latest 64 bit ubuntu iso) boots from live USB and installs without error. It also came preinstalled with Windows 7 (64 bit), so I'm relatively sure it supports x86_64.
I wrote "archlinux-2014.08.01-dual.iso" (MD5 verified) to my USB. Selecting i686 boots fine. Selecting x86_64 restarts my system, eventually sending me back to the arch live menu after it posts.
Upon recommendation by a WonderWoofy on reddit, I tried to install arch x86_64 by bootstrapping and chrooting from the 64 bit ubuntu live usb. I ended up with same problem, where attempting to load arch reboots my system immediately.
Right now, I'm assuming it's the same issue booting from the live usb (arch iso) and from the arch installation on my hard drive, since they seem identical to me. I haven't tried recreating the install for i686 to see if it works (mainly because it's late -- if it'll help I'll do it upon suggestion).
Here's the only text that shows once I attempt to boot into arch. This is from the hard drive and using syslinux (which is pointed at my root partition on sda -- I don't have a boot partition).
Loading ../vmlinuz-linux... ok
Loading ../initramfs-linux.img...ok
Probing EDD (edd=off to disable)... ok
Which doesn't look like it's messing up anywhere...
And of course I'm a noob so go easy on me x)
UPDATE: I found this thread but I'm not seeing his error message, so I'm not sure what to do.
Last edited by SirProudNoob (2014-08-13 02:54:24)

It's an Intel Core 2 Quad processor. Are there any more diagnostic commands that would be helpful? I didn't see anything else in util-linux that might help...
Here's the output for "lscpu":
ubuntu@ubuntu:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 23
Stepping: 10
CPU MHz: 2327.537
BogoMIPS: 4655.07
L1d cache: 32K
L1i cache: 32K
L2 cache: 2048K
NUMA node0 CPU(s): 0-3

Time machine only copies User Info and Users (Applications, Library, and System are missing) from my quad core Mac Pro. 45 Gb of 162 Gb are missing. Any one having success with time machine copying all folders using Mavericks? What do I need to do dif

Time machine only copies User Info and Users (Applications, Library, and System are missing) from my quad core Mac Pro. 45 Gb of 162 Gb are missing. Any one having success with time machine copying all folders using Mavericks?
What do I need to do differently?

The late, great Pondini was investigating that issue before he passed away.
See here: https://discussions.apple.com/thread/5125969
I think there might be information there on how to reset Time Machine to do a full backup. I think you basically have to reset it and start over.

My iMac with os x allowed me to edit my administrator in preferences with my info and i didn't select the administrator priv. box now my mac has no administrator is there a fix for this or does it need a re-install :(?

my iMac with os x allowed me to edit my administrator in preferences with my info and i didn't select the administrator priv. box now my mac has no administrator is there a fix for this or does it need a re-install

Apple support article:
Startup Grey Screen
You can try to check your hard drive.
Apple Hardware Test doesn't catch everything, so even if it doesn't find a problem, you could have one.
Apple Hardware Test

[SOLVED] Fail to boot Arch x86_64 live CD on a HP laptop

Hey, guys, what's up?
Well, here's the thing: I bought a new laptop a couple days ago and I'm kind of having some trouble. Its a HP Pavilion dm4-1063cl (this model: http://www.notebookcheck.info/HP-Pavili … 579.0.html, just in case).
I ran some tests in Windows 7 about the architecture of the processor and it clearly seems that it can support arch x86_64 bits. However, I tried to boot Arch x86_64 by a Net Installation CD and it doesn't work. The process fail in the "Loadin UDEV events" phase, something like that. PS: the i686 image boots perfectly.
Then, I thought that was the CD I burned the reason for trouble - I did not check md5sum and stuff like that. So, I burned another dual image (with boths i686 and x86_64) and tried to run again the 64bits kernel. It did not work in the same phase.
The only response I get is a dark screen that never seems to go away. It was a panic I've never seen before with Arch Linux.
The only alternative I can think right now is trying an older version of the live image CD and see what happens, but it doesn't seem like a very good option. Any ideas?
Hope someone of you can help me. Here in Brazil, most of computers we buy come with Windows installed and we don't have quite a chance of not getting - or paying for - it. I'm sure I'll have such a trouble installing dual boot with Arch Linux, but I really miss my Arch Linux...
And, damn, I worked too hard to get a new processor. I really dont wanna use Arch i686 on a pc with x86_64 architecture, it seems like an option, but a dumb one. =p
Cheers,
Wilson.
EDIT: It turns out that tt was not a kernel panic as I thought. The kernel changed the resolution of the display during this fase, and somehow it doesent work.
The trick I used to solve this was adding "nomodeset" to the kernel line in the Live CD booting. Btw, you can do it by selecting the booting option you want in the live CD and pressing TAB. Then, you can edit the kernel line. (:
Last edited by wilsaooo (2010-12-28 06:17:41)

lamegaptop wrote:
Resurrecting this post because I may help you or someone else.
HP DM4-1265, Intel Corei5, Intel Graphics. (Two days old, windoze wiped, Arch installed)
At boot the brightness is, for some unexplained reason, set all the way down to 0 on these intel based DM4 laptops. A few simple <Fn>+<F3> turns the brightness back up.
To solve this I had to put this in rc.local -
echo 6 > /sys/class/backlight/acpi_video0/brightness
you can enter it manually to test first (as root). Try to turn your brightness up and down with it to make sure it works.
My fan ran like crazy too. HP chose to default a BIOS setting that keeps the fan running constantly. I disabled that and all is well. Fan only comes on when needed and lm_sensors shows my temps, right now, at 43C. Ambient is at 77F right now (I'm in Florida) and this kick butt Arch laptop is, in fact, on my lap.....
Don't give up man.
First of all: thanks for replying.
I installed manually the "coretemp" kernel modules and lm-sensors now give some different response. The script "sensors-detect" does not find any answer.
Looks like the temperature run in a regular level (50º-60º), which I consider a good sign. However, sometimes when I use arch for 24h+, it shuts down suddenly and does not let me boot my computer again - I believe it is a overheating problem. Happened a couple times, big no big deal.
On the other hand, in Windows 7 I have no trouble at all. The temperature goes around 40º with some daily activities. It worries me out because I used - and I do use - largely and successfully Arch i686 version in crappy notebooks with no heating at all.
I tried some tweaks in the rc.local, but none of them seemed to really work. With cpufreq, I could slow down the processors and maintain a regular temperature. Looks like I can list some of the fans speed in the /sys/ files, but much of them do not seem to have any change at all. Some of them looks like to have some "max_state" set to low values like 1, but most do have a limit like 10.
I will keep trying. If there's anything new, I'll post here
Cheers,
Wilson

Going to install a PC with Arch in my car!

In my Miata, the center console has a single hole that usually holds a standard-sized radio and a junk holder. When you take them both out, walla, the perfect size and place for a touchscreen! So I'm going to put a display right on my console and install a computer in my trunk. So here's how it's gonna go.
I'm buying speakers right now, a pair of Infinity 6020cs's. I'm psyched because I didn't even know that sound quality could be this high with a brand name this reputable with a price this low! AMAZING sound! They come as a speaker/tweeder set with a crossover and I found it online for $70 (as compared to Best Buy's $191). Anyway, speakers. I'm also going to have a 12" Rockford Fosgate HE2 subwoofer in the trunk, housed by a box I'm going to build. If I don't build a custom box that works around every corner I can, I won't be able to hold the things I would usually be able to fit in my trunk anymore, you know, like a box of pencils, a t-shirt, a pack of CD-Rs (but that's pushing it). But not at the same time. You know. It's a Miata.
Sorry, I'm excited. Point in saying this: I'm going to buy an M-Audio sound card for crisp audio and I want to use software EQs for everything. Actually, if I can, I would love to skip the crossover the 6020cs's come with altogether, and since there are only two door speakers in a Miata, run the tweeders off the third and fourth channels of an amp. This way, I can EQ out the lows to my sub, EQ the mids to my 6 1/2"s, and EQ the extreme highs to my tweeders. So it would be a five-channel system, cause the sub would be mono. Is there a way I can tune my sound like this directly with ALSA? I would really like all my sound to be tuned the way I want it to without relying on a single piece of software, for example, the VLC equalizer. I want to hear my audio EQed out the same all the time regardless of using VLC or if I popped open firefox and watched a YouTube video. How can I do this?
My plan for power management would go like this. Okay, so I start my car. My computer comes out of hibernate and resumes any audio or what not that was going on. Then I park it and get out. My computer will still be running for about 10 minutes with the music automatically paused. After 10 minutes, it'll go inter hibernate again, but if I hop in my car and start it, it'll resume the audio's playback. The audio equipment will be turned off via the +12V accessory wire from my ignition, so only my computer will be running at this point. Hell, I could even have the display turn off too. But this brings me to a question. Is there some software I could use that would run commands based of inputs from a serial port or something? For example, the accessory lead drops the +12V signal, now I want it to wait 10 minutes. I could run the +12V into a relay that trips pins on a serial port and x software could run a script that waits for ten minutes, and when the relay is activated again, a script executes that kills that script. Or maybe even the other way around where the software would trip relays through the serial port, you know, to turn the sub on and off or something of that nature. Does something like this exist?
My idea for HID is to utilize bluetooth. I want to keep a portable keyboard (and mouse too, sometimes a touchscreen doesn't do what you want) in my glove box. I don't want to use any console space for a keyboard. Although, it would be very nice to have an on-screen keyboard when I need to do something quickly. As for volume, track skip, etc, I'm going to use a touchscreen with buttons on the frame that'll respond to doing things like a stereo would. I really don't want to have to fidget with software while I'm driving. The screen will probably be very similar to this one. I'm still deciding on brands. Have any of you guys put a display in your car and have one to recommend? I'm worried about buying a display without actually seeing it. I don't want something that won't go dimmer than blindingly bright or something where the color looks like junk. I'll look more on mp3car.com for this too.
I'm going to be able to stay online with my car too. I plan on tethering my computer to my cell phone - it has 3G and the data moves pretty quick. At home, I want to set up a file server that I can stream my music archive from (and download from when I know I'm going out-of-range). I'll also have a wifi card in my car so when I park it in my driveway, I can get on my computer and administrate the PC. I'm also fooling around with the idea of the computer acting as a remote-start and a security system, but that's for later.
So blah blah blah ... is there any good music player software that would work good in a car like this? What would you recommend for a GPS solution?
Ongoing project cost (as of December 15, 2008):
$85 - Intel D945GCLF2
$13 - Kingston KVR667D2N5/512 (512MB DDR2 RAM)
Total: $98
Last edited by synthead (2008-12-15 10:10:30)

rson451 wrote:You should list prices as you go along so we can see how much damage you're doing to yourself
Good idea! I'll start a list on my first post.
mrunion wrote:
Your Miata already has one battery in the trunk -- and it's vented to the outside. Another back there would be no problem. Just buy another of the same kind and use a 'T' type connector to merge the vent tubes. Secure the thing down good. As for the "PC", some people remove the carpet from the deck behind the seats and under there there is a little "well" area. They stick the thing in there. Try hitting miata.net and searching the forum and you may find the post about the guy who did it. Might save you some effort and R&D.
Yes, I have a Miata as well....My "toy" is a 2002 SE Blazing Yellow. Only a 1000 of these things driving around!
You have a yellow one That's killer, those are really rare! Is it in good shape? I love Miatas, they're so much fun and stupid cheap to own
The battery in my car is strapped to the chassis with a rope. I don't have the factory battery mount. I was going to weld one together soon though, but now that you mention vents, I'm curious. How exactly is it fitted? Time to Google ...
jerryluc wrote:
When I read about this project yesterday I remembered having read about a guy doing the same.
I found the story, but it's in Norwegian so it's probably not so interesting for most of you. Anyways:
http://linux1.no/blogg/noja/3532/linux-i-bilen
The guy has put Arch in his car as a music server, touch screen and all...
If someone(Synthead specially) is really interested i could try to translate it, but I'm not that good in English -
Maybe someone who speak Norwegian and speak English a little better then me can do it?
Niiiice, and he used MythTV! That's brilliant! I installed it on my car PC in progress and I'm working on it Awesome, thank you!
Ranguvar wrote:
The Atom 330 is a dual-core with HT, sorry!
Really sweet project, though. Good luck!
As for SSDs, the crazy-pricey Intel ones may be worth waiting a little for... 80GB+ with _real_ 250Mb/s speeds! They smoke everything else. Do a lot of research here though, because some SSDs are really wretched. Also remember that SDHCs are extremely cheap and offer tons of storage, so a small and fast main SSD may be a good choice.
I kneeeeew there was a catch. That's okay, I'll still have a dual 1.6 Ghz CD player And regarding combining storage types, that is an excellent idea. I'm definitely going that route. I would love to use an SD card or a CF card as storage and a smaller SSD for the OS. That's perfect. Thank you!
Some good success so far ... just building up the OS at home until I can find a good screen, solid state disk, and power supply to use I started a thread about xorg locking up and it turns out it was because of the new hald integration. I LOVE the idea of combining hald and xorg! But anyway, my GUI is up and running and it's setup the way I like as a desktop. When I migrate the carputer into my car, I'll tweak things around so it'll be practical to use with a touchscreen.
Right now, I'm connected to the internet using Tetherbot with my Google Android phone and it works great. So that takes care of the internet. I have a bluetooth receiver and a GPS system that acts as a dongle when attached (will replace with a standalone GPS module later). I'm tinkering with these.
Later on, I'm going to go to Goodwill, grab a multimedia keyboard, and gut it. There's a removable ashtray next to the stickshift in my car, so I'm going to use this area to install a touchpad and the hacked up keyboard controls for the PC. I will go to TAP Plastics and have them fabricate something nice that'll drop right in. I'm going to source out buttons that look like arrows and the like to have designated buttons for skip, play, pause, stop, etc. I'm also going to try to find a keyboard with one of those rotary volume controls and use it. Nothing like a little xbindkeys I would really like this to look fancy. Not blue LEDs/carbon fiber/chrome fancy, more like "that guy did a good job" fancy. Although if I could have the buttons lit when the car's parking lights are on, that would be killer.
So at this point, I need to buy these things for only the car PC to work in my car the way I want:
* DC-DC PSU
* 8" Transreflective screen that operates (or can operate) on 12VDC that can go very dim and very bright
* Resistive touchscreen overlay, preferably USB (for when wearing gloves, it's a convertible)
* Solid state disk, doesn't have to be too big or too fast
* Bluetooth keyboard
* USB touchpad
* Goodwill keyboards, fancy switches, TAP fabrication
I'm probably looking at 300-500 more dollars on this end. Throw another ... $300 in for the two-way speakers I want + an amp. My sub and sub amp I have, but I need to build a cabinet. Also, for an M-Audio sound card, I'll probably put aside another $100. And yes, they make an astounding difference in sound quality. I use an M-Audio 1010LT in my home studio with some audiophile headphones and the difference is very obvious
I'll try to take some pics of my car and where I'm going to put things soon.
Last edited by synthead (2008-12-12 07:48:58)

NILFS on SSD with arch x86_64...Need, Info and suggestions

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