--- Log opened Sat Oct 23 00:01:58 2010
00:01 -!- fmibot [~fmibot@static.225.178.40.188.clients.your-server.de] has joined #freemyipod-support
00:05 -!- jerl92 [jerl92@ip-66-254-34-230.mqdsl.megaquebec.net] has joined #freemyipod-support
00:05 < jerl92> i do not have no more support question
00:06 < jerl92> rockbox is botting nice 
00:13 -!- [Saint] is now known as S_a_i_n_t
00:16 < jerl92> why not developement discution will be on freemyipod-dev or freemyipod-developement to prevend spaming 
00:17 < jerl92> because noob guys don't know
00:18 < TheSeven> the iloader homepage explicitly links here
00:18 * Farthen does not know how many people know about this cool irc feature called topic
00:18 < TheSeven> the topics also clearly states what the channels are to be used for and what not
00:19 < TheSeven> and where to go for support questions
00:19 < jerl92> do i waste your time ?? :(
00:21 < jerl92> stupide question 
00:23 < jerl92> but for me no i was not wasting my time with you because i way trannig my english and my pc skills
00:23 < S_a_i_n_t> Go find an "English - PC Skills" channel then...
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00:25 < jerl92> hahahahahahaha 
00:26 < jerl92> and I sincerely want to thank you for the time you take to help me 
00:28 < jerl92> but what is going on with linux on nano2g i know this is not the same hardware and i know the ipodlinux project is inactive ...
00:29 < S_a_i_n_t> seriously...go to #freemyipod-chatter if you just want to tal about aimless things.
00:29 < S_a_i_n_t> Or try Google
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14:58 -!- dd8ne [54395e03@gateway/web/freenode/ip.84.57.94.3] has joined #freemyipod-support
14:58 < dd8ne> Hello, Back again with my demaged nano2G
14:59 < dd8ne> last successful step: python embios.py writedevconsole 1 "Hello, world"
15:02 < TheSeven> ok
15:02 < TheSeven> so you have the basic tools working :)
15:05 < dd8ne> yes.
15:05 < dd8ne> Good evening.. first
15:21 < dd8ne> so what will be next?
15:22 < TheSeven> grab http://files.freemyipod.org/resetftl.bin
15:22 < TheSeven> and run the following:
15:23 < TheSeven> python embios.py uploadfile 08000000 resetftl.bin && python embios.py execfirmware 08000000
15:23 < TheSeven> what does the ipod do?
15:25 < TheSeven> it should show "wiping flash..." and a status bar
15:25 < TheSeven> below that, it should count block numbers
15:25 < TheSeven> is there a line starting with "Failed" below this?
15:29 < dd8ne> wiping flash... Erasing block 0
15:30 < dd8ne> no error, but the status bar is empty
15:36 < dd8ne> redoing the same gives me some python errors
15:38 < TheSeven> so it's stuck at 0?
15:39 < dd8ne> yes
15:39 < TheSeven> hm, i can't see how that could happen
15:40 < dd8ne> should I reboot ?
15:41 < TheSeven> yes
15:41 < TheSeven> can't hurt
15:41 < TheSeven> and you don't really have another option :)
15:42 < dd8ne> so same error.. Ftl stops at 991488
15:43 < dd8ne> and the resetftl stops at block 0
15:43 < dd8ne> Connected to emBIOS Debugger v0.1.3 r220 running on iPod nano 2g Writing file 'resetftl.bin' to memory at 0x8000000...done Connected to emBIOS Debugger v0.1.3 r220 running on iPod nano 2g Running firmware at 0x8000000. Bye.
15:48 < TheSeven> do you know C?
15:49 < dd8ne> a little
15:49 < dd8ne> it's a long time, I've programmed in C
15:50 < TheSeven> http://files.freemyipod.org/resetftl.c
15:51 < TheSeven> do you see any way how what you're seeing could happen, assuming that none of the functions called from the main loop are locking up?
15:54 < dd8ne> yes. so it looks like a serious hardware problem
15:55 < TheSeven> hm, i just re-tested it on mine, and this time it also got stuck at block 0
15:55 < TheSeven> that at least eases debugging
15:55 < dd8ne> good luck ?;-)
16:01 < TheSeven> and there is definitely no "failed" line?
16:02 < dd8ne> no.. unfortunally no
16:09 < TheSeven> dd8ne: i added some debugging info: http://files.freemyipod.org/resetftl.bin
16:09 < TheSeven> this one should print another line containing some letters in the range "a" to "m". which of those are printed?
16:12 < dd8ne> nothing at all. It's the same
16:12 < dd8ne> sorry
16:13 < TheSeven> but it prints "erasing block 0"?
16:13 < dd8ne> so it stops at k
16:13 < TheSeven> all other letters are present?
16:14 < dd8ne> missing e i and j
16:14 < TheSeven> ok
16:14 < TheSeven> so it's "abcd fgh  k"?
16:14 < dd8ne> yes
16:16 < TheSeven> that just can't be possible...
16:17 < TheSeven> http://pastie.org/1243207
16:17 < dd8ne> so, you like a foto?
16:17 < TheSeven> neither i nor j, so it must have hit the "else break;" line
16:18 < TheSeven> so how can it hit k?
16:18 < TheSeven> hm, possibly in another iteration...
16:18 < TheSeven> assuming your ipod has less than 4 banks
16:19 < TheSeven> oh, i see the problem...
16:20 < TheSeven> dd8ne: i updated the file again, please retry...
16:20 < TheSeven> this time it should work on ipods with less than 4 flash banks, too
16:21 < dd8ne> ok it counts
16:21 < TheSeven> no "failed"?
16:21 < dd8ne> 250 so far
16:21 < TheSeven> that's very very good news
16:21 < dd8ne> 500
16:21 < dd8ne> 700
16:22 < TheSeven> how much of the status bar is filled?
16:22 < dd8ne> about 25%
16:22 < TheSeven> ok, so you probably have 2 banks with 4096 blocks each
16:22 < TheSeven> is it a 2GB model?
16:23 < dd8ne> 50% with 1950
16:23 < dd8ne> yes 2GB
16:23 < TheSeven> ok, you're lucky. :)
16:23 < TheSeven> the more flash it has, the longer it takes to wipe it
16:24 < dd8ne> yes.. and it's not fast
16:24 < TheSeven> actually it appears to be a bit *too* fast to me
16:24 < TheSeven> considering that it's erasing and reading back a whole 2GB of flash memory
16:25 < TheSeven> once it's finished, it should automatically reboot
16:25 < TheSeven> choose "quit iloader" and check what nandfsck says
16:25 < dd8ne> ready no errors
16:25 < TheSeven> it shouldn't even be complaining about some block any more, but instead say "no signature" or "no lowlevel bbt" or something
16:26 < dd8ne> as usuasal ... invalid block type ff at 991488
16:26 < TheSeven> dammit
16:27 < dd8ne> sorry. I've to leave. My wife is waiting. Thank you for your support. Will try tomorrow to 'call' you again
16:27 < TheSeven> ok
16:28 < dd8ne> bye
16:28 < S_a_i_n_t> the speed at which that went through...do you think it *actually* deleted anything?
16:28 < TheSeven> deleting is fast
16:28 < TheSeven> i've managed to wipe 8GB flashes in like 10 seconds
16:28 < TheSeven> what takes the long time is reading back and verifying that it's erased
16:28 < TheSeven> which apparently succeeded
16:28 < dd8ne> I restarted this wiping.. but it's as fast as before. Bye
16:29 < TheSeven> bye
16:31 < S_a_i_n_t> I haven't been around to see much of dd8ne's specific case, what's happened there?
16:31 < S_a_i_n_t> I guess it's still in a debugging phase..
16:31 < TheSeven> apparently some ftl damage we're failing to get rid off
16:31 < TheSeven> of*
16:33 < S_a_i_n_t> hmmmm, I was under the impression nandfsck was pretty much solid.
16:33 < S_a_i_n_t> You worked on it for long enough
16:33 < S_a_i_n_t> bugger. :/
16:34 < TheSeven> this isn't the original nandfsck
16:34 < TheSeven> it's the embios-integrated one
16:34 < TheSeven> but it has been working for me just fine
16:35 < TheSeven> and we still don't have a clue what the trigger was
16:35 < TheSeven> the trouble started after a clean shutdown of rockbox
16:35 < TheSeven> nandfsck "cleaned" some things and after that, the volume was still mountable, but the rockbox binary was corrupted
16:35 < TheSeven> the iloader theme was still readable though
16:36 < TheSeven> after that, he restored using itunes in disk mode, which locked up at ~20%
16:36 < TheSeven> since then, nandfsck complains about a non-fixable problem, and disk mode just reboots
16:36 < TheSeven> wiping failed to remove the signature for some reason
16:37 < TheSeven> the funny part is that resetftl read the signature blocks as erased
16:38 < TheSeven> but nandfsck still finds a valid signature and successfully mounts the vfl, on a completely erased flash!
16:38 < S_a_i_n_t> quite odd, I wonder what triggered the (apparent) false positive ftl issue that nandfsck "cleaned".
16:40 -!- dd8ne [54395e03@gateway/web/freenode/ip.84.57.94.3] has quit [Quit: Page closed]
16:56 < TheSeven> if dd8ne turns up, you can tell him that i've updated the file again, to do even more thorough checking
16:57 < S_a_i_n_t> can do, if I see him before you of course.
17:40 -!- cholo [bebc1f3d@gateway/web/freenode/ip.190.188.31.61] has joined #freemyipod-support
17:40 < cholo> hi, dead nano 2g in here... tried resety but nothing
17:41 < cholo> no display, no connet, no nothing in the pc
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18:08 -!- cholo [c87f61d7@gateway/web/freenode/ip.200.127.97.215] has joined #freemyipod-support
18:08 < cholo> hi everybody, my ipod nano 2g is dead
18:09 < cholo> it wont turn, connect or anything. I've tried reset, charge, but nothing happened
18:10 < cholo> i'm using iloader to load rockbox, I think I need some advanced recovery instructions
18:12 < TheSeven> what did you do?
18:15 < cholo> i was listening to music and it starter freezing, when it happened i reset it (menu+select) and started working again
18:15 < cholo> i think there was very little battery
18:16 < cholo> and the day after that it just got dead
18:16 < TheSeven> what was the last sign of life before it died completely?
18:16 < TheSeven> did you shut it down and on the next day it wouldn't wake up any more?
18:17 < TheSeven> or did it just suddenly power off and not come on again?
18:17 < cholo> i really can't remember (i was using it in a party) exactly, but it could be one of two or three things
18:18 < cholo> 1. I reset it, run de NAN recovery, started rockbox and played until battery died
18:18 < cholo> 2. it got frozen and it remained that until battery died
18:18 < cholo> 3. Someone shut it down
18:19 < cholo> most probably 1 or 2
18:19 < TheSeven> hm
18:19 < TheSeven> was your battery behaving normally before?
18:20 < cholo> i'd say yes, it was a bit low, so i charged it (while i was using ipod), then disconnected and keep using it
18:20 < cholo> but it was abnormal that it froze some times (unusually) before it died
18:20 < TheSeven> ok, but battery runtime (if it was fully charged before) was ok? (let's say >10 hours)
18:21 < cholo> a bit less
18:21 < cholo> say 6 hours
18:22 < cholo> with rockbox installed never last that long
18:22 < TheSeven> ok, so you probably had a bad rockbox build then
18:22 < TheSeven> i recently found the cause for that excessive power consumption btw
18:22 < TheSeven> could it be possible that there ever was moisture or even water inside the case?
18:23 < cholo> yes, it could got wet
18:23 < TheSeven> shortly before it died, or, let's say, weeks to years ago?
18:23 < cholo> no, that day
18:24 < cholo> it was placed in a wet table
18:24 < TheSeven> but the freezes also occurred before that?
18:24 < cholo> but i dried it instantly
18:24 < cholo> i think yes
18:24 < TheSeven> hm
18:24 < TheSeven> and it isn't showing any reaction at all when connected to a pc?
18:24 < TheSeven> not even an unknown device being detected?
18:25 < cholo> exactly
18:25 < cholo> nothing at all
18:25 < TheSeven> do you have basic electronics equipment?
18:25 < TheSeven> i.e. a multimeter, a 5 volts power supply, and possibly a spare usb connector?
18:25 < cholo> some screwdrivers, some cable, soldering (too big i think)
18:26 < cholo> yes, i can get all that
18:26 < TheSeven> a first thing to check would be if there is any current being drawn if the usb port is powered
18:26 < cholo> ok
18:26 < cholo> i'm taking note to do that later
18:27 < TheSeven> how long was it connected to USB after it died?
18:27 < cholo> (thanks! btw)
18:27 < TheSeven> i.e. did it have enough time to try charging the battery?
18:27 < cholo> while using it about an hour
18:27 < cholo> i also tried charging it later, two or three times (when it was dead)
18:28 < TheSeven> how long were those two or three times approximately?
18:28 < TheSeven> more than a few minutes?
18:28 < cholo> the first one i used an external charger, it stops automatically
18:28 < TheSeven> huh?
18:29 < cholo> then two tiemes of about 20-30 minutes with two different pcs
18:29 < TheSeven> what do you mean with "stops automatically"?
18:29 < cholo> like AA battery chargers
18:29 < TheSeven> one of those things that have a usb port and a red/green led that's green if the device is fully charged?
18:29 < cholo> exactly
18:30 < TheSeven> ok, these are basically just measuring how much power the device draws, but not actually shutting it off when it's full
18:30 < cholo> hmmm
18:30 < TheSeven> (the device is responsible for doing that by itself)
18:31 < TheSeven> how does this charger thing behave if you connect the ipod now?
18:31 < TheSeven> is the led red or green?
18:31 < cholo> wait a second please
18:32 < cholo> no green light
18:32 < cholo> just red
18:32 < cholo> it doesn't charge i guess
18:33 < TheSeven> what does that combination of lights usually mean?
18:33 < TheSeven> "nothing connected", "device is charging" or "device is fully charged"?
18:33 < cholo> nothing connected and device is fully charged
18:34 < TheSeven> ok
18:34 < cholo> it only charges when green light is on
18:34 < TheSeven> that's not really good news
18:34 < cholo> uhhh
18:34 < cholo> did i fried the battery?
18:34 < TheSeven> no, probably the main board :(
18:34 < cholo> becouse the ipod was frozen?
18:35 < cholo> sniff snif.. 
18:35 < TheSeven> freezing doesn't hurt those batteries too much
18:35 < cholo> anything i can try/do?
18:35 < TheSeven> they perform badly while they're cold, and shouldn't be charged at <5°C or something, but they shouldn't suffer permanently from that
18:36 < TheSeven> actually, freezing them (and of course protecting them from condensation!) is the best way to store them, according to some tests
18:36 < TheSeven> or at least keeping them at low temperatures
18:36 < TheSeven> the only thing you can do is opening it up and having a look what's going on
18:36 < TheSeven> you should probably follow the ifixit.com guides
18:37 < cholo> ok
18:37 < TheSeven> but I fear there will be quite some corrosion on the board around the power manager chip
18:37 < cholo> should i look for something in particular?
18:37 < cholo> like burns or something
18:38 < TheSeven> you could measure the battery voltage, and have a look at the area around the power manager
18:38 < cholo> ok
18:38 < TheSeven> http://www.freemyipod.org/w/images/6/63/Nano_2g_bck_a.jpg
18:38 < TheSeven> below those two contacts for the piezo speaker
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18:40 < TheSeven> but sadly it's very likely that it's a paperweight now
18:40 < cholo> if so what should i do?
18:41 < TheSeven> you could try cleaning it with isopropanole to get rid of some possible short circuits between the pins of the IC, or maybe some PCB pads
18:41 < TheSeven> but I wouldn't expect too much from that
18:41 < cholo> ok
18:41 < cholo> thank you very much
18:41 < cholo> i'll try that
18:42 < TheSeven> general hint if something like that happens again:
18:42 < cholo> can i find you in here?
18:42 < TheSeven> yes
18:42 < TheSeven> - remove all power supplies and if possible the battery
18:42 < cholo> ok, but that was unlikely that night
18:42 < TheSeven> especially if the battery can't be disconnected, immediatly put the device into an isopropanole bath
18:43 < cholo> no screwdriver nor isopropanole around
18:43 < TheSeven> yep, that's the problem
18:43 < cholo> i'll take it appart and come back later
18:43 < TheSeven> but if, for example, your cellphone falls into a pool, you should remove the battery immediately, even if it still appears to work
18:44 < cholo> again, thank you
18:44 < cholo> i'm raúl from argentina
18:44 < cholo> yes i know
18:44 < TheSeven> do some further cleaning if neccessary, and try to get rid of all the water inside (by washing it away with isopropanole)
18:44 < TheSeven> then let it dry
18:44 < cholo> i've done it with my phone and gps, both worked again :)
18:44 < TheSeven> that way you greatly reduce the risk of permanent damage
18:44 < cholo> i have to go
18:45 < cholo> latelly i tell you how i did
18:45 < cholo> later (i mean)
18:45 < TheSeven> see you later :)=
18:45 < cholo> goodbye, and thank you very much
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23:40 < cholo> started tearing it
23:41 < cholo> but one screw "me la cagó.."
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--- Log closed Sun Oct 24 00:18:11 2010