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K5 KPW1 needs repair. Code 2. Serial port fix.

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Hello, my Kindle Paperwhite shows "Your Kindle needs repair. Repair Code 2".

It's out of warranty so Amazon won't help me.
I read I can put DO_FACTORY_RESTORE on kindle USB drive, but when I connect it to my PC the drive is ejected. I tried using script with loop to put file on this drive when rebooting it, but it's not working so this method won't help me :( .

I managed to connect to it with serial port. Output:
Spoiler:

In: serial
Out: logbuff
Err: logbuff
Quick Memory Test 0x70000000, 0xfffc000
POST done in 17 ms
Hit any key to stop autoboot: 0
## Booting kernel from Legacy Image at 70800000 ...
Image Name: Linux-2.6.31-rt11-lab126
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 4616864 Bytes = 4.4 MB
Load Address: 70008000
Entry Point: 70008000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK
Starting kernel ...
MX50 LPDDR2 MfgID: 0x3 [Elpida]
2.6.31-rt11-lab126 #1 Mon Apr 28 12:33:59 PDT 2014 armv7l
Press [ENTER] for recovery menu... 0 //dev/mmcblk0p4:
CHS=4/16/43712 size=1432354816 bytes
flag type first last lba first lba size
Partition p1:
0x00 0x0b 16 <large> 16 2797552
CHS: 0/1/1 - <large>
Partition p2:
Partition p3:
Partition p4:
BOOTING DEFAULT.
argc == 12
argv[0]: "kinit"
argv[1]: "consoleblank=0"
argv[2]: "rootwait"
argv[3]: "ro"
argv[4]: "ip=off"
argv[5]: "root=/dev/mmcblk0p1"
argv[6]: "quiet"
argv[7]: "eink=fslepdc"
argv[8]: "video=mxcepdcfb:E60,bpp=8,x_mem=4M"
argv[9]: "mem=256M"
argv[10]: "user_debug=0x1"
argv[11]: "console=ttymxc0,115200"
argc == 4
argv[0]: "IP-Config"
argv[1]: "-i"
argv[2]: "Linux kinit"
argv[3]: "ip=off"
IP-Config: no devices to configure
kinit: do_mounts
kinit: name_to_dev_t(/dev/mmcblk0p1) = dev(179,1)
kinit: root_dev = dev(179,1)
kinit: /dev/root appears to be a ext3 filesystem
kinit: trying to mount /dev/root on /root with type ext3
kinit: Mounted root (ext3 filesystem) readonly.
info sytem:mounted_proc::
info system:mounted_sys::
info system:mounted_dev::
info milestone:5.48:49.1:
info milestone:5.54:49.2:
info milestone:5.57:49.3:
info milestone:5.62:49.4:
info milestone:5.67:49.5:
info sytem:mounted_tmpfs::
info milestone:5.75:sy50:
info system:start:time=5780:
info hardware:no_wan::WiFi only device. No WAN found
info system:config:platform=yoshime3,board=celeste,rev= 22,proto=Y,wifi=Y,wan=N:
info milestone:5.97:sy51:
lipc-send-event[546]: E lipc:con::Connection error(Failed to connect to socket / var/run/dbus/system_bus_socket: No such file or directory)
lipc-send-event[546]: C def:dbusi::Failed to init dbus
lipc-send-event[546]: E def:open::Failed to open LIPC
lipc-send-event[546]: E def:fail:source=com.lab126.hal, event=usbPlugIn:Sending event failed
lipc-send-event[543]: E lipc:con::Connection error(Failed to connect to socket / var/run/dbus/system_bus_socket: No such file or directory)
lipc-send-event[543]: C def:dbusi::Failed to init dbus
lipc-send-event[543]: E def:open::Failed to open LIPC
lipc-send-event[543]: E def:fail:source=com.lab126.hal, event=usbPlugIn:Sending event failed
info milestone:6.72:sy99:
info system:done:time=6750:
init.exe: Failed to spawn sshd main process: unable to execute: No such file or directory
crond[590]: crond: crond (busybox 1.17.1) started, log level 8
init.exe: recevent pre-start process (593) terminated with status 1
info system_cramfs_loopbacks:mountingcramfs:Mounting compressed directories file system images:
info system_cramfs_loopbacks:mounted:Image /lib/firmware/cyttsp.cramfs.img mount ed:
info system_cramfs_loopbacks:mounted:Image /usr/share/X11/xkb.cramfs.img mounted :
info system_cramfs_loopbacks:mounted:Image /usr/java/lib/fonts.cramfs.img mounte d:
info system_cramfs_loopbacks:mounted:Image /etc/kdb.src.cramfs.img mounted:
info system_cramfs_loopbacks:mounted:Image /usr/lib/locale.cramfs.img mounted:
info system_cramfs_loopbacks:mounted:Image /usr/share/keyboard.cramfs.img mounte d:
info system:emiting_event:mounted_cramfs_loopbacks:
debug sytem:event_emitted:mounted_cramfs_loopbacks:
info milestone:7.70:fs75:
info system:emiting_event:loaded_modules_dependencies:
debug sytem:event_emitted:loaded_modules_dependencies:
info modules:modprobe:loading module g_file_storage:



Welcome to Kindle!

kindle login: info system:emiting_event:loaded_g_file_storage:
debug sytem:event_emitted:loaded_g_file_storage:
info modules:modprobe:loading module fuse:
info system:emiting_event:loaded_fuse:
debug sytem:event_emitted:loaded_fuse:
info hardware:no_wan::WiFi only device. No WAN found
info system:emiting_event:loaded_ppp_async:
debug sytem:event_emitted:loaded_ppp_async:
info milestone:8.21:fs00:
info system:emiting_event:loaded_fakekey:
debug sytem:event_emitted:loaded_fakekey:
info milestone:8.43:fs23:
info system:emiting_event:mounted_varLocal:
debug sytem:event_emitted:mounted_varLocal:
info milestone:8.50:fs25:
info milestone:8.55:vi00:
info milestone:9.00:vi99:
info display:started:time=9020:
info system:emiting_event:display_ready:
debug sytem:event_emitted:display_ready:
info userstore:run:time=9240,action=start:
info userstore:found_shutdown_flag::Found SHUTDOWN flag file
info battery:charged:cap=98,mV=4177,mAH=1267:
info system:emiting_event:battery_ready:
debug sytem:event_emitted:battery_ready:
info system:emiting_event:mounted_userstore:
debug sytem:event_emitted:mounted_userstore:
info milestone:10.23:fs50:
info milestone:10.27:fs90:
info milestone:10.31:fs99:
info system:emiting_event:loaded_touch:
debug sytem:event_emitted:loaded_touch:
info milestone:20.32:sys99:
info system:emiting_event:dbus_ready:
debug sytem:event_emitted:dbus_ready:
info dbus:check-update:status=2:dbus_ready sent
info hardware:no_wan::WiFi only device. No WAN found
info milestone:21.96:xx00:
info X:load:time=22090:
info X:xorg.conf:Generating xorg.conf:
info X:makexconfig:Celeste Input device detection status:
info X:makexconfig:Touch device: OK:
info X:makexconfig:Accelerometer device: N/A !!:
info X:xorg.conf:xorg.conf generated:
info milestone:23.31:xx50:
info X:starting:time=23340:
info milestone:27.47:xx99:
info X:started:time=27540:
info system:emiting_event:x_setup_ready:
debug sytem:event_emitted:x_setup_ready:
info locale:read:lang=en_US.utf8,lc_all=en_US.utf8:Retr ieved Language
info system:emiting_event:langpicker_ready:
debug sytem:event_emitted:langpicker_ready:
crit lab126_gui:reboots=2,max=2:shutting down and showing customer service page:
info shutdown:begin:level=0,halt=1,special=cust_service :
info shutdown:closing password dialog::
info blanket_f:loading blanket module:shutdown:
info shutdown_showimage:screen:splashing screen:cust_service
info shutdown_showimage:screen:waiting for cust_service screen to come up:
boot: W def:hlt:halt=Device,version=232331:
info upstart_f:stopping_job:job=lab126:
info upstart_f:stopping_job:job=x:
info upstart_f:jobs_stopped:elapsed_ms=4401,timeout_ms= 45000:
info shutdown:cust_service:starting:
info ss_cust_service:nothing to do for this shutdown mode:"cust_service":
info ss_cust_service:completed successfully::
info upstart_f:stopping_job:job=filesystems:
info filesystems_userstore:unmount_userstore:Unmounting UserStore:
info filesystems_var_local:unmounting font files::
info filesystems_var_local:rotate_log:Rotating Logs:
info userstore:run:time=37960,action=stop:
info userstore:filesystem sync done::
info userstore:found_bootup_flag::Found BOOTUP flag file
info filesystems_var_local:filesystem sync done::
info filesystems_var_local:unmount_varLocal:Unmounting VarLocal:
info upstart_f:jobs_stopped:elapsed_ms=6050,timeout_ms= 30000:
info shutdown:mounting root filesystem read-only::
info shutdown:syncing disks::
info shutdown: end:level=0,halt=1:
System halted.
Halting ...


In this output I found something like this:
Quote:

crit lab126_gui:reboots=2,max=2:shutting down and showing customer service page:
What should I do to fix my device? Should I type:
Quote:

echo 0 > /var/local/upstart/lab126_gui.restarts
or should I flash some memory? (which, what version?)

I decided to first ask not to make things worse.
Thank you very much for help.

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