[Fire General] plascoch:
Hi I have a problem with my wife's fire 7 9th generation. She handed it over to me saying it was dead. I followed the guide in this thread HW route installed the short ran the bootrom-step.sh and the following is the result same thing tried 5 times

# ./bootrom-step.sh

[2021-02-08 12:20:18.964679] Waiting for bootrom

[2021-02-08 12:20:37.786367] Found port = /dev/ttyACM0

[2021-02-08 12:20:48.025737] Handshake

Traceback (most recent call last):

File "/usr/lib/python3.9/site-packages/serial/serialposix.py", line 500, in read

raise SerialException(

serial.serialutil.SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/home/donrogers/Downloads/amonet-mustang/modules/main.py", line 161, in <module>

main()

File "/home/donrogers/Downloads/amonet-mustang/modules/main.py", line 79, in main

handshake(dev)

File "/home/donrogers/Downloads/amonet-mustang/modules/handshake.py", line 9, in handshake

dev.handshake()

File "/home/donrogers/Downloads/amonet-mustang/modules/common.py", line 97, in handshake

c = self._writeb(b'\xa0')

File "/home/donrogers/Downloads/amonet-mustang/modules/common.py", line 92, in _writeb

return self.dev.read()

File "/usr/lib/python3.9/site-packages/serial/serialposix.py", line 509, in read

raise SerialException('read failed: {}'.format(e))

serial.serialutil.SerialException: read failed: device reports readiness to read but returned no data (device disconnected or multiple access on port?)

In Dmesg I got the following messages

[12120.514199] usb 10-1: new full-speed USB device number 61 using xhci_hcd

[12120.649968] usb 10-1: New USB device found, idVendor=0e8d, idProduct=0003, bcdDevice= 1.00

[12120.649973] usb 10-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

[12120.657973] cdc_acm 10-1:1.0: ttyACM0: USB ACM device

[12160.238729] usb 10-1: USB disconnect, device number 61

[12182.899700] usb 10-1: new full-speed USB device number 62 using xhci_hcd

[12183.035216] usb 10-1: New USB device found, idVendor=0e8d, idProduct=0003, bcdDevice= 1.00

[12183.035221] usb 10-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

[12183.043289] cdc_acm 10-1:1.0: ttyACM0: USB ACM device

[12222.624651] usb 10-1: USB disconnect, device number 62

[12245.294132] usb 10-1: new full-speed USB device number 63 using xhci_hcd

[12245.432485] usb 10-1: New USB device found, idVendor=0e8d, idProduct=0003, bcdDevice= 1.00

[12245.432490] usb 10-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

[12245.440574] cdc_acm 10-1:1.0: ttyACM0: USB ACM device

[12285.013619] usb 10-1: USB disconnect, device number 63

[12307.670522] usb 10-1: new full-speed USB device number 64 using xhci_hcd

[12307.808657] usb 10-1: New USB device found, idVendor=0e8d, idProduct=0003, bcdDevice= 1.00

[12307.808661] usb 10-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

[12307.816765] cdc_acm 10-1:1.0: ttyACM0: USB ACM device

keeps on doing this whilst plugged in to usb port repeats about every 3 minutes.

Not sure what revision of FireOS was on the tablet when it failed as it was only used by my wife but it's definately a 9th gen fire 7. Is there any hope to get this to work again.