IRC log for #edev on 20080208

00:04.15*** join/#edev prpplague (n=dave@ppp-70-245-139-181.dsl.rcsntx.swbell.net)
00:04.37prpplagueho ho hum
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00:12.10flyback:p
00:28.37RobotGuyHey there, I am doing my first test of Hammer on W.A.L.T.E.R. today. :)
01:18.12MirellHow can I nicely put a newline in a bash variable?
01:32.08ds2CTRL-V CTRL-M?
01:36.32MirellMmm, no.
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02:44.55RobotGuylandley: Greetings
02:45.28landleyhiya RobotGuy.
02:45.32landleyTrying to get a usable super hitachi system emulation...
02:45.47RobotGuyI am getting ready for my first test with Hammer on W.A.L.T.E.R.
02:46.44landleyCool.
02:48.48RobotGuyI already have Python routines to control a Lynxmotion SSC-32 servo controller.
02:58.36RobotGuyCosmicPenguin: Are you really here?
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03:53.21CosmicPenguinRobotGuy: sure, why not?
03:53.50RobotGuyI have one of those nasty length errors on boot of Hammer and can not remember how to fix it.
03:54.02RobotGuyThis time, it goes on the Wiki. :)
03:55.04CosmicPenguinnot sure at all what you mean by that
03:56.03RobotGuyCosmicPenguin: http://www.pastebin.ca/895874
04:01.28RobotGuyI think it may have something to do with a parameter in APEX, but can not remember for sure.
04:01.33CosmicPenguinwow, thats unfortunate
04:01.38CosmicPenguinlooks like your ramdisk is messed
04:02.10RobotGuyDo you know how to fix it?
04:02.29CosmicPenguin<PROTECTED>
04:02.32CosmicPenguinhow big is your ramdisk?
04:02.41RobotGuy8 MB
04:03.04RobotGuyWait, that may not be right.
04:03.28CosmicPenguin#
04:03.29CosmicPenguin# copy nor:1280k+4096k 0x30800000
04:03.29CosmicPenguin#
04:03.45CosmicPenguinThat might have someting to do with it - I'm not overly familiar with APEX
04:03.54RobotGuyThat is the uncompressed, not compressed max size.
04:04.07RobotGuyHmmmmmmm.
04:04.21RobotGuyUncompressed size is only 2.1MB
04:05.04RobotGuyCompressed size, that is (2.1 MB)
04:05.04CosmicPenguinhmm - must not be it
04:05.05RobotGuyUncompressed is 7.7 MB
04:06.54RobotGuyIn the kernel I have the size of the ramdisk set to 8 MB.
04:23.51ds2Hmmmmm
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04:34.36RobotGuyI think it's a problem with a parameter in APEX in the Platform settings for ramdisk. I think I have that value wrong.
05:10.45RobotGuyCosmicPenguin: What boot loader do you use and can it be used for Hammer also?
05:20.03CosmicPenguinRobotGuy: I don't do ARM these days
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05:20.41RobotGuyOh, OK.
05:21.11CosmicPenguinI used to use blob and the handhelds loader, but that was a while ago
05:21.47RobotGuyI wish I could remember how this was fixed last time.
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12:07.53LyosNorezelanyone awake?
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14:04.00chouimat|workmorning
14:04.01*** join/#edev GPSFan (n=kenm@12.10.255.246)
14:04.01*** mode/#edev [+o GPSFan] by ChanServ
14:05.06LyosNorezelmorning chouimat|work
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14:07.09RobotGuyG'Morning
14:08.02LyosNorezelmorning RobotGuy
14:09.10LyosNorezelfun
14:14.47RobotGuyI have been tinkering with Hammer and robots.
14:21.35LyosNorezelkool
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14:40.52prpplagueRobotGuy: hey
14:40.55prpplagueRobotGuy: whats cookin?
14:41.19RobotGuyprpplague: Trying to solve a problem we already solved once.
14:41.38RobotGuyI should have put it on the Wiki.
14:42.48prpplagueRobotGuy: which is what?
14:42.52RobotGuyI guess I don't fully understand the various loader and kernel parameters and how they interact well enough yet.
14:43.07RobotGuyprpplague: The length error on the ramdisk.
14:43.56RobotGuyprpplague: I could wish for a more descriptive error message.
14:43.59prpplagueRobotGuy: yea, just make sure that you have the correct size of the compressed ramdisk in the bootloader config
14:44.04chouimat|workhey prpplague
14:44.11prpplaguechouimat|work: hey
14:45.03chouimat|workprpplague: "let me kept the part they removed loook ..." <talking to the brain in the jar> "this is you uncle the plague" ;)
14:45.15RobotGuyprpplague: That's what I think is wrong, but I can't remember how we got the value last time.
14:45.51prpplaguechouimat|work: hehe
14:46.09prpplagueRobotGuy: how big is your compressed ramdisk?
14:46.28RobotGuyCompressed is 2.1 MB, uncompressed is 7.8 MB
14:46.41RobotGuyRamdisk is 8 MB
14:46.51prpplagueRobotGuy: ok so set the size of the compressed ramdisk to 2.25mb in the bootloader
14:47.36RobotGuyprpplague: Is it a 1/4 MB boundary thing?
14:47.44RobotGuy256K again
14:47.49RobotGuyMagic number
14:47.59RobotGuyAm I right?
14:48.04prpplagueRobotGuy: no, its not require, just added measure and easy to remember
14:49.08RobotGuy0x240000
14:49.19prpplagueyea
14:49.24prpplaguethat should do the trick
14:50.34RobotGuySo, if I set that a 1/4 MB above my compressed initrd size, it will be right?
14:51.29prpplagueRobotGuy: doesn't have to 256k
14:51.57prpplagueRobotGuy: easiest is just to do it on 256k bounderies
14:53.32RobotGuyprpplague: I can handle that.  I am trying it just with the loader value change now.
14:54.11prpplagueRobotGuy: so you made the change in apex and recompiled?
14:54.37RobotGuyprpplague: Yes, reflashing Hammer now
14:57.51LyosNorezelis there a JEDEC standard for 48pin TSOP NAND Flash devices?
15:00.25prpplagueLyosNorezel: yea
15:00.38prpplagueLyosNorezel: for the bga packages as well
15:00.49RobotGuyprpplague: That seems to have made the error go away, but I don't have everything working yet.
15:01.21RobotGuyprpplague: Why wouldn't a value of 0x300000 work?
15:01.45RobotGuyor 0x400000?
15:02.09prpplagueshouldn't be an reason it doesn't
15:02.28RobotGuyHmmmmmm.
15:02.45prpplagueprobably a different problem
15:02.53RobotGuyMaybe.
15:03.10RobotGuyNow my thumb drive will not mount. :(
15:03.17LyosNorezelprpplague: kool.. thanks
15:04.14SpeedEvilHmm. It seems my ADSL modem has stuck their processes - the userside ADSL modem bits into busybox
15:04.23SpeedEvilwacky.
15:06.57SpeedEvilPart of me still goes 'A linux box for 15 quid! Go out and buy hundreds before anyone notices the pricing mistake'.
15:07.36LyosNorezelROFL
15:08.46RobotGuyCrap, I might as well just start from scratch for the initrd.
15:09.53SpeedEvilYou can't steal them!
15:09.59SpeedEvilIt's a leadless chip carrier!
15:10.03RobotGuyI just did! Muauauauahahahahaha
15:10.19SpeedEvilActually socketed and everything.
15:10.35SpeedEvilBut it's practically stone-age - 99 vintage.
15:10.40RobotGuyMaybe it was your cereal I was after
15:10.54RobotGuyI get the two confused sometimes
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15:11.31SpeedEvilOften in the form of porridge.
15:12.41RobotGuyI have Quaker Oats
15:14.19RobotGuyI discovered that my webcam will work with Linux, but the driver isn't in the ARM config (like the RaLink WiFi driver isn't).
15:15.28RobotGuyI bet my .size value is wrong too.
15:17.07RobotGuyI think it was not large enough.
15:18.02prpplagueRobotGuy: why do you keep changing them?
15:18.14RobotGuyprpplague: I am almost to a point where I can start testing Hammer with W.A.L.T.E.R. (as soon as I get my thumdrive mounted and have /mnt/flash again).
15:18.40RobotGuyprpplague: My initrd size fluctuates.  I am still tweaking my kernel config.
15:19.49RobotGuyprpplague: I put nano (and the required libintl) and the ext2 programs on the initrd.
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15:36.09RobotGuyZippity Do Dah
15:39.38LyosNorezelholly holy... a 48 pin TSOP NAND Flash device only uses 17pins (8bit) or 26pins (16bit)?!?!?!?!? seems like a rediculous waste of board space to make a chip that big... and then only use a fraction of the pins
15:40.21SpeedEvilthere is a standard bus
15:40.24SpeedEvilwell - electrical
15:40.30SpeedEvilit's a serial chip basically
15:40.56LyosNorezelnope... it's parallel (at least for the I/Os)
15:41.13SpeedEvilwell I mean serial in the sense that it's not got parallel address busses
15:41.15RobotGuyA cereal chip?  What kind of chip goes with cereal?
15:41.21SpeedEvilwhich isn't really very serial.
15:41.27LyosNorezelLOL
15:41.44SpeedEvilbut it's not got 40 address bits for a terabit.
15:42.00LyosNorezelheh... true dat
15:42.45LyosNorezelbbs... gotta go see about reserving a moving truck
15:43.11RobotGuyLyosNorezel: Don't forget your cereal chips!
15:43.32LyosNorezelRobotGuy: smartarse
15:43.47RobotGuyThat's intelligent backside to you. :)
15:52.22RobotGuyWell, I am going to get some food and hopefully some sleep. Maybe I can figure out how to fix these other problems later.
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17:45.23LyosNorezelcan anyone here tell me what the 2 unpopulated 38pin connectors in this picture might be? http://www.oslb.net/gedc0085.jpg
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19:26.11MothaWorkanybody around?  looking for leads on PCB fabricators so I can get some quotes in on a bunch of boards
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21:00.16*** topic/#edev is a channel for the discussion of hacking small consumer electronic devices, mostly ARM based; Hammer Development boards now available at http://www.tincantools.com/
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21:59.50RobotGuyZippity Doo DAH
22:00.47RobotGuyprpplague: The .size in mach-tct-hammer.c is the total of compressed initrd + kernel + loader, right?
22:01.49prpplagueRobotGuy: correct
22:01.53prpplagueon 256k boundry
22:02.17RobotGuyprpplague: OK!  See, I AM learning something eventually. ;)
22:05.36RobotGuyI should be OK on that then, because I have it set to 0x0400000 (4 MB). My initrd is 2.2 MB, kernel is under 1 MB, and the loader is negligable.
22:09.52RobotGuyprpplague: Do I want to use the 0x0280000 or the 0x027FFFF value in Platform Settings of APEX?
22:10.27prpplagueRobotGuy: uh what?
22:13.18RobotGuyprpplague: I think I found the problem - the size of my uncompressed initrd to close to the boundary of the end of my ramdisk.
22:13.42prpplagueuh what?
22:14.12prpplagueRobotGuy: i think you making this harder than it is
22:14.22RobotGuyprpplague: My uncompressed initrd is 8 MB and my ramdisk is 8 MB.
22:14.42prpplagueRobotGuy: you have two ramdisks?
22:14.52RobotGuyNO!
22:16.13RobotGuyI seem to have lost the ability to communicate clearly.
22:27.36RobotGuyI fixed that length error. :) The size of my uncompressed initrd was 8 MB, and the size of my ramdisk is also 8 MB. I had to cut my kernel size a bit and now all is well with that.
22:27.56RobotGuyNow I just have to get /mnt/flash back and everything will be cool.
22:35.15RobotGuyprpplague: http://www.pastebin.ca/896737 I know this pertains to the flash, but do not understand what I am missing or what I have that I do not need.
22:37.01prpplagueRobotGuy: i can't help you right at the momment, maybe in an hour
22:39.20prpplagueRobotGuy: why do you have generic ram mtd enabled?
22:41.03RobotGuyprpplague: I don't see that in the config
22:41.18RobotGuyprpplague: Oh, wait, I think I see it
22:41.44RobotGuyprpplague: mtd-ram?
22:43.00prpplagueRobotGuy: yea looks like you have that enabled
22:44.17RobotGuyprpplague: Turned that off.  I may have found the problem.  Will know in a few.
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