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    Explore Pybytes | Official Documentation | Report a Firmware Bug/Issue | GitHub

    LTE firmware update stuck at resetting

    Scheduled Pinned Locked Moved Issues & Bugs
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    • N Offline
      Nicolas Vandamme
      last edited by

      Hi,

      During an upgrade of the LTE firmware via USB to CAT-M1 5.2-48829, the upgrade process stopped at resetting with an sqnsupgrage Timeout Error :

      >>> sqnsupgrade.run('COM5','./CATM1-48829/CATM1-5.2-48829-1.dup',load_fff=False)                                   
<<< Welcome to the SQN3330 firmware updater [1.2.7] >>>
Attempting AT wakeup...
Session opened: version 1, max transfer 8192 bytes
Sending 416448 bytes: [########################################] 100%
Waiting for modem to finish the update...
<<<=== DO NOT DISCONNECT POWER ===>>>
Resetting.......................................................................................................................................................................................................................................................................Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File ".\tools\lte_fw_updater\sqnsupgrade.py", line 1076, in run
    sqnup.upgrade_ext(port=port, ffile=ffile, mfile=mfile, resume=resume, debug=debug, pkgdebug=False, verbose=verbose, load_fff=load_fff, force_fff=force_fff)
  File ".\tools\lte_fw_updater\sqnsupgrade.py", line 948, in upgrade_ext
    if self.__run(file_path=ffile, resume=True if mfile is not None else resume, direct=False, port=port, debug=debug, pkgdebug=pkgdebug, verbose=verbose, load_fff=load_fff, fc=fc, force_fff=force_fff):
  File "H:\Workspace\Tech4Gaia\noehmi-embedded-node\esp32-arduino-tasks-events\tools\lte_fw_updater\sqnsupgrade.py", line 719, in __run
    self.wait_for_modem(send=False, echo_char='.', expected=b'+SYSSTART')
  File "H:\Workspace\Tech4Gaia\noehmi-embedded-node\esp32-arduino-tasks-events\tools\lte_fw_updater\sqnsupgrade.py", line 150, in wait_for_modem
    raise OSError('Timeout waiting for modem to respond!')
OSError: Timeout waiting for modem to respond!

      After that i tried to power cycle and restart the upgrade process to no avail as the modem appears to be stuck (bricked ?) :

      >>> sqnsupgrade.reconnect_uart()
Guru Meditation Error: Core  0 panic'ed (StoreProhibited). Exception was unhandled.
Core 0 register dump:
PC      : 0x4019077e  PS      : 0x00060830  A0      : 0x80190233  A1      : 0x3ffbaef0
A2      : 0x00000000  A3      : 0x00000000  A4      : 0x00000005  A5      : 0x3ffc4410
A6      : 0x3ffc421c  A7      : 0x3ffbb19c  A8      : 0x8009702d  A9      : 0x3ffbeb00
A10     : 0x3ffbdd40  A11     : 0x00000001  A12     : 0x00000012  A13     : 0x00000001
A14     : 0x000000fe  A15     : 0x00000001  SAR     : 0x00000000  EXCCAUSE: 0x0000001d
EXCVADDR: 0x0000002d  LBEG    : 0x4009412c  LEND    : 0x4009415a  LCOUNT  : 0xffffffff

ELF file SHA256: 0000000000000000000000000000000000000000000000000000000000000000

Backtrace: 0x4019077e:0x3ffbaef0 0x40190230:0x3ffbaf10 0x40180098:0x3ffbaf30

================= CORE DUMP START =================
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aJT8PywIQT9g+JQ/AAAAAJFACICwqf0/0Kn9PwAAAAAAAAAAAAAAAOAIlT8AAAAA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hNf7P1B7/T8Eff0/
UHv9P6B8/T/sjVOBOHz7P6BB/D+E1/s/mEH8PwUAAABY0fs/WNH7P4TX+z9Q0fs/
FAAAAAhx/T9ldmVudFRhc2sAcYS0V0EAAAAAAAR9/T8AAAAAIQAGABQAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAADUZPs/PGX7P6Rl+z8AAAAAAAAAAAEAAAAAAAAA
YIpAPwAAAABQUAlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAImMeQ==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================= CORE DUMP END =================

      Is the modem bricked ? What can i do ?

      1 Reply Last reply Reply Quote 0
      • G Offline
        Gijs
        last edited by

        Hi,
        I do not believe your modem would be bricked by this. But lets go through the troubleshooting steps:

        1. You appear to be using sqnsupgrade.reconnect_uart() though the documentation suggest sqnsupgrade.uart(True). Let me know of the output.
        2. Are you able to get the version number from the LTE modem by using sqnsupgrade.info() (in the latest version this gives a coredump after returning the version information, we're working on fixing that, but it poses no operational issue)
        3. Can you connect to a LTE network still?

        Let me know!
        Gijs

        1 Reply Last reply Reply Quote 2
        • N Offline
          Nicolas Vandamme
          last edited by

          Hi,

          Thanks for the feedback.

          Either sqnsupgrade.info() or sqnsupgrade.uart(True) raise a core dump...

          N 1 Reply Last reply Reply Quote 0
          • N Offline
            Nicolas Vandamme @Nicolas Vandamme
            last edited by

            @Nicolas-Vandamme

            >>> import sqnsupgrade
>>> sqnsupgrade.info()
<<< Welcome to the SQN3330 firmware updater [1.2.6] >>>
>>> FiPy with firmware version 1.20.2.r4
Cannot determine modem state!
Guru Meditation Error: Core  0 panic'ed (StoreProhibited). Exception was unhandled.
Core 0 register dump:
PC      : 0x4019077e  PS      : 0x00060830  A0      : 0x80190233  A1      : 0x3ffbaef0
A2      : 0x00000000  A3      : 0x00000000  A4      : 0x00000005  A5      : 0xffffffff
A6      : 0x1496bca8  A7      : 0x00060021  A8      : 0x8018fe34  A9      : 0x3ffbaeb0
A10     : 0x0000003a  A11     : 0x00000000  A12     : 0x3ffbd060  A13     : 0x00000000
A14     : 0x3ffbd070  A15     : 0x00000001  SAR     : 0x00000000  EXCCAUSE: 0x0000001d
EXCVADDR: 0x0000002d  LBEG    : 0x4009412c  LEND    : 0x4009415a  LCOUNT  : 0xffffffff

ELF file SHA256: 0000000000000000000000000000000000000000000000000000000000000000

Backtrace: 0x4019077e:0x3ffbaef0 0x40190230:0x3ffbaf10 0x40180098:0x3ffbaf30

================= CORE DUMP START =================
...
================= CORE DUMP END =================
Rebooting...
ets Jun  8 2016 00:22:57
            N 1 Reply Last reply Reply Quote 0
            • N Offline
              Nicolas Vandamme @Nicolas Vandamme
              last edited by

              @Nicolas-Vandamme

              >>> import sqnsupgrade
>>> sqnsupgrade .uart(True)
<<< Welcome to the SQN3330 firmware updater [1.2.6] >>>
>>> FiPy with firmware version 1.20.2.r4
Could not detect your modem!
Please try to power off your device and restart in safeboot mode.
Guru Meditation Error: Core  0 panic'ed (StoreProhibited). Exception was unhandled.
Core 0 register dump:
PC      : 0x4019077e  PS      : 0x00060830  A0      : 0x80190233  A1      : 0x3ffbaef0
A2      : 0x00000000  A3      : 0x00000000  A4      : 0x00000005  A5      : 0xffffffff
A6      : 0x0002cf98  A7      : 0x00060021  A8      : 0x8018fe34  A9      : 0x3ffbaeb0
A10     : 0x00000041  A11     : 0x00000000  A12     : 0x3ffbd060  A13     : 0x00000000
A14     : 0x3ffbd070  A15     : 0x00000001  SAR     : 0x00000000  EXCCAUSE: 0x0000001d
EXCVADDR: 0x0000002d  LBEG    : 0x4009412c  LEND    : 0x4009415a  LCOUNT  : 0xffffffff

ELF file SHA256: 0000000000000000000000000000000000000000000000000000000000000000

Backtrace: 0x4019077e:0x3ffbaef0 0x40190230:0x3ffbaf10 0x40180098:0x3ffbaf30

================= CORE DUMP START =================
...
================= CORE DUMP END =================
Rebooting...
ets Jun  8 2016 00:22:57
              1 Reply Last reply Reply Quote 0
              • P Offline
                peterp
                last edited by

                Please post the output of sqnsupgrade.info(debug=True) and sqnsupgrade.uart(True, debug=True)

                N 1 Reply Last reply Reply Quote 1
                • N Offline
                  Nicolas Vandamme @peterp
                  last edited by

                  @peterp said in LTE firmware update stuck at resetting:

                  info(debug=True)

                  sqnsupgrade.info(debug=True)

                  >>> import sqnsupgrade
>>> sqnsupgrade.info(debug=True)
<<< Welcome to the SQN3330 firmware updater [1.2.6] >>>
>>> FiPy with firmware version 1.20.2.r4
The current delay is 1000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00'
Response (AT #4) None
Response (AT #1 @ 115200) b'\x80'
Response (AT #2 @ 115200) b'\x80'
The current delay is 2000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00\x00'
Response (AT #4) b'\x00\xfe\x00'
Response (AT #1 @ 115200) b'\x80\x80'
Response (AT #2 @ 115200) b'\x80'
The current delay is 3000
Response (+++ #1): b'\x00'
Response (AT #1) b'\x00'
Response (AT #2) None
Response (+++ #2): b'\x00'
Response (AT #3) b'\x00\x00'
Response (AT #4) b'\x00\x00\x00\x00'
Response (AT #1 @ 115200) b'\x80\x80\x00'
Response (AT #2 @ 115200) b'\x80\xc0'
The current delay is 4000
Response (+++ #1): b'\x00'
Response (AT #1) b'\x00'
Response (AT #2) None
Response (+++ #2): b'\x00'
Response (AT #3) b'\x00\x00\x00'
Response (AT #4) b'\x00\x00\x00\x00'
Response (AT #1 @ 115200) b'\xc0\x80\x80'
Response (AT #2 @ 115200) b'\x80\x80\x80\x80'
The current delay is 5000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00\x00\x00\x00'
Response (AT #4) b'\x00\x00\x00\x00\x00'
Response (AT #1 @ 115200) b'\x80\x80\x00\x80'
Response (AT #2 @ 115200) b'\x80\x00\x00\x80'
Modem state: None
Cannot determine modem state!
Guru Meditation Error: Core  0 panic'ed (StoreProhibited). Exception was unhandled.
Core 0 register dump:
PC      : 0x4019077e  PS      : 0x00060830  A0      : 0x80190233  A1      : 0x3ffbaef0
A2      : 0x00000000  A3      : 0x00000000  A4      : 0x00000005  A5      : 0xffffffff
A6      : 0x05ab7e19  A7      : 0x00060021  A8      : 0x8018fe34  A9      : 0x3ffbaeb0
A10     : 0x00000016  A11     : 0x00000000  A12     : 0x3ffbd060  A13     : 0x00000000
A14     : 0x3ffbd070  A15     : 0x00000001  SAR     : 0x00000000  EXCCAUSE: 0x0000001d
EXCVADDR: 0x0000002d  LBEG    : 0x4009412c  LEND    : 0x4009415a  LCOUNT  : 0xffffffff

ELF file SHA256: 0000000000000000000000000000000000000000000000000000000000000000

Backtrace: 0x4019077e:0x3ffbaef0 0x40190230:0x3ffbaf10 0x40180098:0x3ffbaf30

================= CORE DUMP START =================
...
================= CORE DUMP END =================
Rebooting...
ets Jun  8 2016 00:22:57

                  sqnsupgrade.uart(True, debug=True)

                  >>> sqnsupgrade.uart(True, debug=True)
<<< Welcome to the SQN3330 firmware updater [1.2.6] >>>
>>> FiPy with firmware version 1.20.2.r4
The current delay is 1000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00'
Response (AT #4) b'\x00'
Response (AT #1 @ 115200) b'\x00'
Response (AT #2 @ 115200) b'\x80'
The current delay is 2000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00\x00'
Response (AT #4) b'\xff'
Response (AT #1 @ 115200) b'\xc0\xc0'
Response (AT #2 @ 115200) b'\xc0\x80'
The current delay is 3000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00\x00\x00'
Response (AT #4) b'\x00\x00'
Response (AT #1 @ 115200) b'\xc0\x80\x80'
Response (AT #2 @ 115200) b'\x80\x80\x80'
The current delay is 4000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00\x00\x00\x00'
Response (AT #4) b'\x00\x90\x00\x00\x00'
Response (AT #1 @ 115200) b'\x80\x80\xc0'
Response (AT #2 @ 115200) b'\xc0\x80\x00\x80'
The current delay is 5000
Response (+++ #1): b'\x00'
Response (AT #1) None
Response (AT #3) b'\x00\x00\x00\x00'
Response (AT #4) b'\x00\x00\x00\x00\x00\x00'
Response (AT #1 @ 115200) b'\x80\x80\x00\x00'
Response (AT #2 @ 115200) b'\x80\xc0\x80\xc0'
Modem state: None
Could not detect your modem!
Please try to power off your device and restart in safeboot mode.
Guru Meditation Error: Core  0 panic'ed (StoreProhibited). Exception was unhandled.
Core 0 register dump:
PC      : 0x4019077e  PS      : 0x00060830  A0      : 0x80190233  A1      : 0x3ffbaef0
A2      : 0x00000000  A3      : 0x00000000  A4      : 0x00000005  A5      : 0xffffffff
A6      : 0x00014b51  A7      : 0x00060021  A8      : 0x8018fe34  A9      : 0x3ffbaeb0
A10     : 0x00000012  A11     : 0x00000000  A12     : 0x3ffbd060  A13     : 0x00000000
A14     : 0x3ffbd070  A15     : 0x00000001  SAR     : 0x00000000  EXCCAUSE: 0x0000001d
EXCVADDR: 0x0000002d  LBEG    : 0x4009412c  LEND    : 0x4009415a  LCOUNT  : 0xffffffff

ELF file SHA256: 0000000000000000000000000000000000000000000000000000000000000000

Backtrace: 0x4019077e:0x3ffbaef0 0x40190230:0x3ffbaf10 0x40180098:0x3ffbaf30

================= CORE DUMP START =================
...
================= CORE DUMP END =================
Rebooting...
ets Jun  8 2016 00:22:57
                  P 1 Reply Last reply Reply Quote 0
                  • P Offline
                    peterp @Nicolas Vandamme
                    last edited by

                    @Nicolas-Vandamme Thanks. Ok, this is not good - please contact support, so we can debug in more detail https://pycom.io/community/contact-support/

                    N 1 Reply Last reply Reply Quote 0
                    • N Offline
                      Nicolas Vandamme @peterp
                      last edited by

                      @peterp thanks for your help, i'll contact the support then.

                      1 Reply Last reply Reply Quote 0

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