#touchbook IRC Log

Index

IRC Log for 2010-03-11

Timestamps are in GMT/BST.

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[2:01] <leinir> FIN__Master: One reason for not using torrents is that they're fickle - i have over the last, well, since you posted that link, got nothing ;)
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[5:10] <Meizirkki> how to use the serial port thing ?
[5:10] <Meizirkki> I have soldered the cable on place, set up the settings but I don't know how to fix the messed up u-boot settings ?
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[7:36] <FIN__Master> leinir: You didnt get the torrent downloading? It should work ok..
[7:37] <leinir> i'm sure it should, but it's stalled for me :)
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[8:18] <Meizirkki> I'm surring out of patience :( now three hours my TB is dead and is only getting worse. I have reformatted the SD for many times now and can't even get the u-boot logo anymore, any help would be more than appreciated
[8:19] <Meizirkki> running *
[8:23] <Meizirkki> I used http://wiki.omap.com/index.php?title=MMC_Boot_Format for the SD
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[10:03] <Meizirkki> Does someone have time to help me a bit? my Touch Book does not boot anymore. It stops in a screen with random colors
[10:05] <Aard> Meizirkki: maybe later that night or tomorrow... I'm off in a few minutes
[10:06] <Aard> do you have a serial port?
[10:06] <Meizirkki> I tried to use it but minicom showed nothing
[10:06] <Meizirkki> only blank screen
[10:06] <Meizirkki> I have configured a Cisco WLAN ap using that computer so the port is okay
[10:07] <Meizirkki> With the latest (2010-01.b) uboot and kernel it never gets to the weird coloured screen.
[10:07] <Meizirkki> with older kernels and uboots it shows me the weird screen
[10:08] <Meizirkki> I'm about to remove the serial cable from the board *just in case if it stops the boot*
[10:08] <Meizirkki> I'm desperate
[10:09] <Aard> check if what you soldered to the touchbook is ok, or double-check minicom-settings. I'm pretty sure you should see uboot output without sd card present
[10:10] <Meizirkki> according to AI wiki the closest to "middleboard" is pin 5
[10:10] <Meizirkki> the middle one is 3
[10:10] <Meizirkki> and the closes to border is 2
[10:10] <Meizirkki> is that right ?
[10:10] <Aard> Meizirkki: help me find a job near you and I'll personally assist you with your hardware problems :p
[10:11] <Aard> yes, the wiki is right. though you can try switching rx/tx
[10:12] <Aard> I almost said test it with loopback from the touchbook, but that obviously won't work. that's the reason why you should hook up the serial port _before_ breaking it
[10:16] * Meizirkki goes swap tx/rx
[10:18] <Meizirkki> W000TTF
[10:18] <Meizirkki> that did it..
[10:18] <Meizirkki> Thank you so much Aard
[10:18] * Meizirkki can now actually see _something_
[10:20] <Meizirkki> I have accidentally had 25A going thru the board couple of times.. I though it was _dead_
[10:21] * MMlosh (~MMlosh@2001:470:1f0b:b78:bc3b:c7e2:2ab5:4742) Quit (Quit: Bye...)
[10:22] <Martix> is AI involved as a mentor in Google Summer of Code 2010?
[10:22] <Aard> Meizirkki: I'm off for now, good luck. if you want closer assistance, see above :p
[10:23] <Mrkva> Martix: 25A? You mean 25Amps?
[10:23] <Mrkva> sorry
[10:23] <Mrkva> Meizirkki: -^
[10:24] <Meizirkki> My PSU does 25Amps on 5V and i can't keep my hands off the soldering iron >_<
[10:24] <Mrkva> Meizirkki: :)
[10:24] <Mrkva> Meizirkki: so you were modding hardware when it stopped working?
[10:24] <Martix> gregoiregentil: deadline for mentors registration on GSoC is tomorow: http://socghop.appspot.com/document/show/gsoc_program/google/gsoc2010/timeline
[10:25] <Meizirkki> Mrkva, nop, I was messing with Uboot env stuff on NAND
[10:25] <Meizirkki> Mrkva, but 10 minutes ago i was totally lost..
[10:30] <Mrkva> the first thing I'll buy when my touchbook arrives will be usb-rs232 converter :)
[10:30] <Mrkva> I think I'll need it quite frequently :)
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[10:32] <Meizirkki> So.. it looks like I managed to erase everything in the nand using "nand erase".. what will happen if i reboot now ?
[10:32] <Meizirkki> will it still work ?
[10:33] * Meizirkki should never be given the root-access
[10:33] <Mrkva> well, serial, or at worst jtag should work. but the rest?
[10:34] <Meizirkki> hmm
[10:34] <Mrkva> if there's everything on the SD card (and TB can boot without anything in NAND), it should work
[10:34] <Mrkva> I don't know what (and if anything) is stored in nand
[10:35] <Mrkva> by the way, nand could be a great place for quick-boot environment
[10:35] <Meizirkki> ^
[10:35] <Meizirkki> that's true
[10:36] <Meizirkki> instead of having all bz2'd on the FAT parition
[10:36] <Meizirkki> s/quick-boot/OS-selection menu and such/
[10:38] <Mrkva> and maybe a tiny recovery environment (basic X, some lite webbrowser and baic tools)
[10:40] <Mrkva> I'll try to fit most of my system on NAND and extra (and big) apps as well as my /home on the SD card
[10:41] <Meizirkki> hmm, my ubuntu sqfs would fit in the nand..
[10:44] <Meizirkki> IT LIVES
[10:44] <Meizirkki> again
[10:45] <Meizirkki> Aard, without you, i'd have ripped the cable off and
[10:45] <Meizirkki> ..
[10:45] <Meizirkki> so thanks
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[13:13] <Mrkva> hmm
[13:14] <Mrkva> according to official website of TI: http://focus.ti.com/docs/prod/folders/print/omap3530.html the processor in TB should be clocked at 720MHz, not 600MHz
[13:14] <Mrkva> it's constantly underclocked or what?
[13:17] <leinir> When it was originally created, the processor was supposed to run at 600MHz, but it has later been tested to handle 720 just fine :)
[13:17] <leinir> Note the "later" bit ;)
[13:19] <gregoiregentil> It seems correct. New kernel that we are trying to do could open this up. Not sure yet...
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[13:43] <_koen_> Mrkva: only the chips explicitly sold with the '720' branding support it, trying it on others will just void you warranty
[13:45] <Mrkva> _koen_: the fact is that if I test something and it is working for a few months then I usually don't care about warranty
[13:47] <Mrkva> but I'd be rather interested in underclocking and undervolting the CPU to increase battery lifetime :)
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[13:49] <Mrkva> but I guess the most power-eating thing is backlight so it won't be signifficant
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