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Old 12-15-2013, 06:35 AM   #1261
boozr
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Device: pw2
pw2 can't start successful after i tweaked one line on the /etc/upstart

the first time i mounted rw boot pw2 and i made a tiny change on the upstart.
i didn't enable usbnet permanent.

now, after reboot,after logo, white screen, logo, the light is on.
it wouldn't move on.it halt.

now, the device(pw2) can't log on successfuly. no usb store, no usb0 network neither.

which path i should take? to find serial port fastboot to rewrite p0,
to find diag?

Boot over USB HID serial / USB downloader mode ? pw2 only has power button, no home butto..
btw, i've backed up boot, root, var,etc


Quote:
Originally Posted by yangabanga View Post
Thanks to you and everyone on this board I managed to save my kindle pw from the dreaded repair needed screen.

I stupidly was messing about in /etc/upstart with conf scripts and the restarted.

using your ninja-jb data.stgz and through a few runme.sh changes (and lots of reboots) I backed out my changes and just like that the kindle came back to life.

THANKS!
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Old 12-15-2013, 09:27 AM   #1262
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Use the method you quoted to revert the change you made based on the original etc in your backup files.
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Old 12-15-2013, 10:15 AM   #1263
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The data.stgz thingy won't work as-is on the PW2.

If the device is jailbroken, it *might* be possible to craft a proper tarball w/ KindleTool, but I'm a bit fuzzy on the details right now (and/or if it's even remotely helpful in theory).

Anyway, in your specific case, depending on exactly when the failure first happens, even if you actually had USBMS/USBNET access, that might not have been enough.

Since we still don't know how to boot the PW1/PW2 in USB download mode without opening it up, that leaves....


TL;DR: Open it up, last resort serial access.

Last edited by NiLuJe; 12-15-2013 at 10:19 AM.
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Old 12-15-2013, 10:32 AM   #1264
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Thanks,
I missed the distinction between PW1 and PW2.

It might be possible to create a variation on the "poison filename" method of installing the dev. cert. to instead install the old file contents.

Should be a good learning experience for the one who has to do it.
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Old 12-15-2013, 01:10 PM   #1265
boozr
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Device: pw2
forensic scene:
pw2
a tree and bookboy,backlight on,
halts
press power button
led blinks 5 times

black screen for just 1 seconds,backlight off,
a tree and bookboy,backlight on,
white screen,
a tree and bookboy,backlight on,
halts

(no USBMS/USBNET access, )

can't find a way to run MfgTool.exe( KindleSelectBoot)

--------------
how to Open it up, can you give me a link or something

---------------
P.S.the battery was full 3 days ago and i ran coolreader on it, then after 1 day,
the battery ran off, it shows your kindle needs to charge.
P.S. i wanted to disable that java-reader, so i edited a file related to frame or evm or something like that.

Quote:
Originally Posted by NiLuJe View Post
The data.stgz thingy won't work as-is on the PW2.

If the device is jailbroken, it *might* be possible to craft a proper tarball w/ KindleTool, but I'm a bit fuzzy on the details right now (and/or if it's even remotely helpful in theory).

Anyway, in your specific case, depending on exactly when the failure first happens, even if you actually had USBMS/USBNET access, that might not have been enough.

Since we still don't know how to boot the PW1/PW2 in USB download mode without opening it up, that leaves....


TL;DR: Open it up, last resort serial access.

Last edited by boozr; 12-15-2013 at 01:13 PM.
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Old 12-15-2013, 02:27 PM   #1266
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Quote:
Originally Posted by boozr View Post
how to Open it up, can you give me a link or something
Use the same tear down instructions listed in the master index for the PW1
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Old 12-16-2013, 11:38 AM   #1267
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what is the DeviceID of paperwhite2?

what is the DeviceID of paperwhite2?
like
= "VID_1949&PID_D0D0"
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Old 12-17-2013, 03:06 PM   #1268
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how long does it take for pw2's fastboot available to public?

i reckon the fastboot for k3, k4, k5 weren't available for the public for a certain amount of time for many reasons,
how long usually does it take for it publicity?

i don't want to disassemble my pw2 as it is toooo risk for me.
and i don't want to send it back to my internet vendor either.

i download IMX6SLRM.pdf from freescale and on page 338 they didn't tell me PID,i need to ask on the
https://community.freescale.com/community/imx myself.

i will never, never, never change that /etc/upstart

---------------------------------------
the question is that kindle's led is on.. maybe i will let that led consume all the battery. i will wait a month or two for

the fastboot for pw2.
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Old 12-17-2013, 09:32 PM   #1269
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Send it back.

If you are dealing with Amazon, they will send your replacement before they get your return.

OR,

Peel it open and connect to the serial port,
as far as I know, that is the only way to get it into fastboot mode (via U-Boot commands).

Although you don't need to get it into fastboot mode - it is a "dual boot" device, you only need to boot the alternate (Diags) system.
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Old 12-18-2013, 07:55 PM   #1270
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i need to buy a usb->ttl 1.8b cable? (FT232RL chip?)

i tore it down and it's easier than i expected.(thanks for your encouragements )
i found the usb boot switch as well as a 1.8v serial port(P800 silk print) and a reset switch.
and many many 1m*2m or 2m*4m electric capacity,resistance etc, very delicacy and fragile...

i tried that usb boot switch for several times without success.
(i am a newbie and you could delete my rubbish messages after 2 days.)
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Old 12-18-2013, 08:10 PM   #1271
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When, if ever, the lead-free soldering paste gets here, I will have a few serial port connector kits:
(Shipping to USA only.)
A very few.

As you noted, a very tiny soldering job to be done:
http://www.mobileread.com/forums/sho...68&postcount=2
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Old 12-26-2013, 02:39 PM   #1272
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i can't get into option 3...

i got into the serial menu, but i can't get into option 3, i can get into option E,

look:
[ 0.451813] FAT-fs (loop1): bogus number of reserved sectors
[ 1.491991] imx_epdc_fb imx_epdc_fb: Failed to load fw! (err -2) Trying fallback fw
[ 3.015409] panel_get_upd_modes: Unknown waveform mode. Using MODE_07!INFO:Loaded module /lib/modules/mxc_epdc_fb.ko (83928 bytes)

......
proc /self/fd/9: line 27: /etc/init.d/rcS: not found
init.exe: rc-sysinit main process (627) terminated with status 127


----------------------------------------
btw, what does fastboot mean? and i've no concept of it.
and how to get into diag option.
what does mxc_epdc mean?

----------------------------------------
Starting kernel ...


[ 0.094275] boot: C def:bcut:batterycut=1
[ 0.256294] LPDDR2 MfgId: 0x1 [Samsung]
3.0.35-lab126 #1 Wed Aug 28 15:30:45 PDT 2013 armv7l
[ 0.451813] FAT-fs (loop1): bogus number of reserved sectors
[ 1.491991] imx_epdc_fb imx_epdc_fb: Failed to load fw! (err -2) Trying fallback fw


[ 3.015409] panel_get_upd_modes: Unknown waveform mode. Using MODE_07!INFO:Loaded module /lib/modules/mxc_epdc_fb.ko (83928 bytes)
Press [ENTER] for recovery menu... 0 /Charge: 100% [################################################## ########]


Menu
====
3. Load MMC0 over USB storage
4. Erase MMC0
I. Initialize Partition Table (fdisk) and format FAT
O. Format and overwrite FAT partition
E. Export FAT partition
U. Update using update*.bin file on FAT partition
M. Update using update*.bin file on FAT partition of second MMC port
D. dmesg / kernel printk ring buffer.
Q. quit
Choose: 10 /

Charge: 100% [################################################## ########]


Choose: 10 / 9 - 8 \ 7 | 6 / 5 - 4 \ 3 | 2 / 1 -
Menu timeout
BOOTING DEFAULT.
IP-Config: no devices to configure
kinit: Mounted root (ext3 filesystem) readonly.
/proc/self/fd/9: line 27: /etc/init.d/rcS: not found
init.exe: rc-sysinit main process (627) terminated with status 127
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Old 12-26-2013, 02:48 PM   #1273
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omg, toooo difficult.....

let see what others do:
http://www.mobileread.com/forums/arc.../t-206767.html

03-12-2013, 01:19 AM
Thank all of you!, I finally unbrick my KPW last night.
I cleared boot counter by following rastik's step and unbrick my KPW.

- attach serial cable
- boot
- immediately after restart enter any key to stop autoboot
- enter "bist" and then "fastboot"
- via fastboot tool flash data and diags partitions on PC(windows or linux), img files is here: http://snipurl.com/debrick
- reboot
- immediately after restart enter any key to stop autoboot
- enter "run bootargs_diags ; bootm 0xE41000" to boot to diags
- get login prompy (menu "D) Exit, Reboot or Disable Diags" and then "L) Exit to login prompt")
- login as root (password:fiona2bc)
- enter "echo 0 > /var/local/upstart/lab126_gui.restarts"
- reboot
- after a while, press Enter to enter Recovery Menu
- select "E. Export FAT partition" to export U disk
- copy update_kindle_5.3.1.bin to U disk.
- press 1 to back Recovery Menu
- select "U. Update using update*.bin file on FAT partition" to update root partition.
- select "Q. quit" to boot

OK! My KPW is unbricked!
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Old 12-26-2013, 04:15 PM   #1274
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You neglected to mention what you are attempting to accomplish.

If trying to de-brick a PW2, try (in order):
**Without USB cable connected** Option I - init FAT
**Without USB cable connected** Option E - export FAT
Connect USB cable
Transfer the Amazon 5.4.2 image to root of user storage
"Safely" remove USB cable
**Without USB cable connected** Option U - update main system

Wait for it to complete.
I have not done this with this version of firmware - but I expect it will re-boot itself when done.

If not - you have to use Option Q - quit
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Old 12-26-2013, 08:01 PM   #1275
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i knew Option I - init FAT, Option E - export FAT will solve my problem

still want to know password of root
http://members.ping.de/~sven/kindle.html?# doesn't work for me

or i need to write a custom made diag using fastboot,
----------------------------
http://www.mobileread.com/forums/sho....php?p=2290044
Rescue Pack for Paperwhite and Touch

does it work for me?

-----------------------------
proc /self/fd/9: line 27: /etc/init.d/rcS: not found
init.exe: rc-sysinit main process (627) terminated with status 127

can i enable usbnet by default?
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