Error when running the Python CHIP controller

I'm actually trying to run the Python CHIP controller in my PC but I got some errors.

I've successfully set up the Open Thread Border Router in a Raspberry PI and I'm using the Light Bulb Matter example flashed in a nRF5340 DK which is my Matter accessory.

I followed the tutorial https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.9.1/matter/python_chip_controller_building.html#using-python-chip-controller-for-matter-accessory-testing to create my Matter controller using the tool Python CHIP controller.

I used all the required commands here below for installation and building the Python CHIP controller.

Then I tried to run the tool as shown here below :

I successfully activated the Python virtual environment. Then I tried to run the Python CHIP controller using "sudo out/python_env/bin/chip-device-ctrl " but I got the following output :

:~/connectedhomeip$ sudo out/python_env/bin/chip-device-ctrl 
[1647525260.928139][48172:48172] CHIP:CTL: Setting attestation nonce to random value
[1647525260.928241][48172:48172] CHIP:CTL: Setting CSR nonce to random value
[1647525260.930233][48172:48172] CHIP:DL: writing settings to file (/tmp/chip_counters.ini-hoBbXJ)
[1647525260.930450][48172:48172] CHIP:DL: renamed tmp file to file (/tmp/chip_counters.ini)
[1647525260.930478][48172:48172] CHIP:DL: NVS set: chip-counters/reboot-count = 6 (0x6)
[1647525260.930711][48172:48172] CHIP:DL: Got Ethernet interface: enp0s31f6
[1647525260.930868][48172:48172] CHIP:DL: Found the primary Ethernet interface:enp0s31f6
[1647525260.931027][48172:48172] CHIP:DL: Got WiFi interface: wlp1s0
[1647525260.931673][48172:48172] CHIP:DL: Found the primary WiFi interface:wlp1s0
[1647525260.931786][48172:48186] CHIP:DL: Platform main loop started.
2022-03-17 14:54:20 IMP-IT0087lx root[48172] CRITICAL Loading configuration from /tmp/chip-device-ctrl-storage.json...
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 1
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 2
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 3
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 4
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 5
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 6
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 7
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 8
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 9
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 10
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 11
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 12
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 13
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 14
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 15
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO Loading from storage for fabric index 16
2022-03-17 14:54:20 IMP-IT0087lx chip.DL[48172] INFO writing settings to file (/tmp/chip_counters.ini-23Pp4J)
2022-03-17 14:54:20 IMP-IT0087lx chip.DL[48172] ERROR renamed tmp file to file (/tmp/chip_counters.ini)
2022-03-17 14:54:20 IMP-IT0087lx chip.DL[48172] INFO NVS set: chip-counters/GlobalMCTR = 6000 (0x1770)
2022-03-17 14:54:20 IMP-IT0087lx root[48172] INFO SetSdkKey: gcc = b'\xd0\x07\x00\x00'
2022-03-17 14:54:20 IMP-IT0087lx root[48172] INFO SetSdkKey: gdc = b'\xd0\x07\x00\x00'
2022-03-17 14:54:20 IMP-IT0087lx chip.ZCL[48172] INFO Using ZAP configuration...
2022-03-17 14:54:20 IMP-IT0087lx chip.DL[48172] INFO Avahi connecting
2022-03-17 14:54:20 IMP-IT0087lx chip.IN[48172] INFO CASE Server enabling CASE session setups
2022-03-17 14:54:20 IMP-IT0087lx chip.DIS[48172] ERROR Failed to initialize advertiser: ../../src/platform/Linux/DnssdImpl.cpp:333: CHIP Error 0x00000003: Incorrect state
2022-03-17 14:54:20 IMP-IT0087lx chip.DIS[48172] INFO Failed to find a valid admin pairing. Node ID unknown
2022-03-17 14:54:20 IMP-IT0087lx chip.DIS[48172] INFO Start dns-sd server - no current nodeId
2022-03-17 14:54:20 IMP-IT0087lx chip.DIS[48172] INFO Advertise commission parameter vendorID=65521 productID=32769 discriminator=3840/15
2022-03-17 14:54:20 IMP-IT0087lx chip.DIS[48172] ERROR Failed to advertise unprovisioned commissionable node: ../../src/lib/dnssd/Discovery_ImplPlatform.cpp:473: CHIP Error 0x00000003: Incorrect state
2022-03-17 14:54:20 IMP-IT0087lx chip.DIS[48172] INFO Advertise commission parameter vendorID=65521 productID=32769 discriminator=3840/15
2022-03-17 14:54:20 IMP-IT0087lx chip.DIS[48172] ERROR Failed to advertise commissioner: ../../src/lib/dnssd/Discovery_ImplPlatform.cpp:473: CHIP Error 0x00000003: Incorrect state
2022-03-17 14:54:21 IMP-IT0087lx chip.DL[48172] ERROR Avahi client failure
2022-03-17 14:54:21 IMP-IT0087lx chip.DIS[48172] ERROR DNS-SD error: ../../src/platform/Linux/DnssdImpl.cpp:405: CHIP Error 0x000000AC: Internal error
New FabricAdmin: FabricId: 1(1)
2022-03-17 14:54:21 IMP-IT0087lx root[48172] INFO SetReplKey: fabricAdmins = {'1': {'fabricId': 1}}
Allocating new controller with FabricId: 1(1), NodeId: 1
2022-03-17 14:54:21 IMP-IT0087lx chip.CTL[48172] INFO Setting attestation nonce to random value
2022-03-17 14:54:21 IMP-IT0087lx chip.CTL[48172] INFO Setting CSR nonce to random value
2022-03-17 14:54:21 IMP-IT0087lx chip.CTL[48172] INFO Generating NOC
CHIP Error 0x00000003: Incorrect state
Failed to bringup CHIPDeviceController CLI
Exception ignored in: <function ChipDeviceController.__del__ at 0x7f75f07d4040>
Traceback (most recent call last):
  File "/home/czena/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/ChipDeviceCtrl.py", line 186, in __del__
    self.Shutdown()
  File "/home/czena/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/ChipDeviceCtrl.py", line 150, in Shutdown
    if (self.isActive):
AttributeError: 'ChipDeviceController' object has no attribute 'isActive'
Segmentation fault

I would like to know why I got a segmentation fault. Could you help me please ?

I'm using OS Ubuntu 20.04.4 LTS and nRF Connect SDK v1.9.1

Parents

0 Karl Ylvisaker over 3 years ago
Hello again,

I hope you have had a great weekend!

Could you confirm that you have the Avahi-daemon up and running?
Could you also tell me what

systemctl status avahi-daemon
and
ps aux | grep avahi-daemon

returns for you?

Best regards,
Karl
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0 HeneryH over 3 years ago in reply to Karl Ylvisaker
Carla31 I am still having troubles with this but I can address one topic for you. The lack of the env directory. I put a documentation ticket in based on a change to the default options on one of the commands.

devzone.nordicsemi.com/.../documentation-update-needed---matter-instructions

scripts/build_python.sh -m platform <------------ This command now requires the " -i separate " option to generate the env. See --help
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0 HeneryH over 3 years ago in reply to Karl Ylvisaker
Carla31 I am still having troubles with this but I can address one topic for you. The lack of the env directory. I put a documentation ticket in based on a change to the default options on one of the commands.

devzone.nordicsemi.com/.../documentation-update-needed---matter-instructions

scripts/build_python.sh -m platform <------------ This command now requires the " -i separate " option to generate the env. See --help
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0 Carla31 over 3 years ago in reply to HeneryH

Thanks for you answer. Now I can see the python_env folder.

Now I tried to run the Python CHIP controller but with no success. I got the following output :

connectedhomeip$ source out/python_env/bin/activate
(python_env) czena@IMP-IT0087lx:~/Documents/Others/Matter/connectedhomeip$ sudo out/python_env/bin/chip-device-ctrl 
[sudo] password for czena: 
[1649165043.900006][98518:98518] CHIP:CTL: Setting attestation nonce to random value
[1649165043.900108][98518:98518] CHIP:CTL: Setting CSR nonce to random value
[1649165043.901938][98518:98518] CHIP:DL: writing settings to file (/tmp/chip_counters.ini-CWgGZG)
[1649165043.902132][98518:98518] CHIP:DL: renamed tmp file to file (/tmp/chip_counters.ini)
[1649165043.902143][98518:98518] CHIP:DL: NVS set: chip-counters/reboot-count = 4 (0x4)
[1649165043.902389][98518:98518] CHIP:DL: Got Ethernet interface: enp0s31f6
[1649165043.902574][98518:98518] CHIP:DL: Found the primary Ethernet interface:enp0s31f6
[1649165043.902761][98518:98518] CHIP:DL: Got WiFi interface: wlp1s0
[1649165043.904488][98518:98518] CHIP:DL: Found the primary WiFi interface:wlp1s0
[1649165043.904616][98518:98526] CHIP:DL: Platform main loop started.
2022-04-05 15:24:03 IMP-IT0087lx root[98518] CRITICAL Loading configuration from /tmp/chip-device-ctrl-storage.json...
2022-04-05 15:24:03 IMP-IT0087lx chip.DL[98518] INFO writing settings to file (/tmp/chip_counters.ini-OzNelH)
2022-04-05 15:24:03 IMP-IT0087lx chip.DL[98518] ERROR renamed tmp file to file (/tmp/chip_counters.ini)
2022-04-05 15:24:03 IMP-IT0087lx chip.DL[98518] INFO NVS set: chip-counters/GlobalMCTR = 4000 (0xFA0)
2022-04-05 15:24:03 IMP-IT0087lx root[98518] INFO SetSdkKey: g/gcc = b'\xd0\x07\x00\x00'
Exception ignored on calling ctypes callback function: <function _OnSyncSetKeyValueCb at 0x7f6993ecf550>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 44, in _OnSyncSetKeyValueCb
    storageObj.SetSdkKey(key.decode("utf-8"), ctypes.string_at(value, size))
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 147, in SetSdkKey
    self.Sync()
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 111, in Sync
    f"Could not open {path} for writing configuration. Error:")
NameError: name 'path' is not defined
2022-04-05 15:24:03 IMP-IT0087lx root[98518] INFO SetSdkKey: g/gdc = b'\xd0\x07\x00\x00'
Exception ignored on calling ctypes callback function: <function _OnSyncSetKeyValueCb at 0x7f6993ecf550>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 44, in _OnSyncSetKeyValueCb
    storageObj.SetSdkKey(key.decode("utf-8"), ctypes.string_at(value, size))
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 147, in SetSdkKey
    self.Sync()
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 111, in Sync
    f"Could not open {path} for writing configuration. Error:")
NameError: name 'path' is not defined
2022-04-05 15:24:03 IMP-IT0087lx chip.ZCL[98518] INFO Using ZAP configuration...
Segmentation fault
(python_env) czena@IMP-IT0087lx:~/Documents/Others/Matter/connectedhomeip$ sudo out/python_env/bin/chip-device-ctrl 
[1649165195.463120][99597:99597] CHIP:CTL: Setting attestation nonce to random value
[1649165195.463219][99597:99597] CHIP:CTL: Setting CSR nonce to random value
[1649165195.467032][99597:99597] CHIP:DL: writing settings to file (/tmp/chip_counters.ini-E3TpNe)
[1649165195.467209][99597:99597] CHIP:DL: renamed tmp file to file (/tmp/chip_counters.ini)
[1649165195.467237][99597:99597] CHIP:DL: NVS set: chip-counters/reboot-count = 5 (0x5)
[1649165195.467456][99597:99597] CHIP:DL: Got Ethernet interface: enp0s31f6
[1649165195.467614][99597:99597] CHIP:DL: Found the primary Ethernet interface:enp0s31f6
[1649165195.467783][99597:99597] CHIP:DL: Got WiFi interface: wlp1s0
[1649165195.469345][99597:99597] CHIP:DL: Found the primary WiFi interface:wlp1s0
[1649165195.469478][99597:99611] CHIP:DL: Platform main loop started.
2022-04-05 15:26:35 IMP-IT0087lx root[99597] CRITICAL Loading configuration from /tmp/chip-device-ctrl-storage.json...
2022-04-05 15:26:35 IMP-IT0087lx chip.DL[99597] INFO writing settings to file (/tmp/chip_counters.ini-1CfIUf)
2022-04-05 15:26:35 IMP-IT0087lx chip.DL[99597] ERROR renamed tmp file to file (/tmp/chip_counters.ini)
2022-04-05 15:26:35 IMP-IT0087lx chip.DL[99597] INFO NVS set: chip-counters/GlobalMCTR = 5000 (0x1388)
2022-04-05 15:26:35 IMP-IT0087lx root[99597] INFO SetSdkKey: g/gcc = b'\xd0\x07\x00\x00'
Exception ignored on calling ctypes callback function: <function _OnSyncSetKeyValueCb at 0x7fa28f70e550>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 44, in _OnSyncSetKeyValueCb
    storageObj.SetSdkKey(key.decode("utf-8"), ctypes.string_at(value, size))
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 147, in SetSdkKey
    self.Sync()
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 111, in Sync
    f"Could not open {path} for writing configuration. Error:")
NameError: name 'path' is not defined
2022-04-05 15:26:35 IMP-IT0087lx root[99597] INFO SetSdkKey: g/gdc = b'\xd0\x07\x00\x00'
Exception ignored on calling ctypes callback function: <function _OnSyncSetKeyValueCb at 0x7fa28f70e550>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 44, in _OnSyncSetKeyValueCb
    storageObj.SetSdkKey(key.decode("utf-8"), ctypes.string_at(value, size))
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 147, in SetSdkKey
    self.Sync()
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 111, in Sync
    f"Could not open {path} for writing configuration. Error:")
NameError: name 'path' is not defined
2022-04-05 15:26:35 IMP-IT0087lx chip.ZCL[99597] INFO Using ZAP configuration...
2022-04-05 15:26:35 IMP-IT0087lx chip.DL[99597] INFO Avahi connecting
2022-04-05 15:26:35 IMP-IT0087lx chip.IN[99597] INFO CASE Server enabling CASE session setups
2022-04-05 15:26:35 IMP-IT0087lx chip.DIS[99597] INFO Updating services using commissioning mode 0
2022-04-05 15:26:35 IMP-IT0087lx chip.DIS[99597] ERROR Failed to initialize advertiser: ../../src/platform/Linux/DnssdImpl.cpp:333: CHIP Error 0x00000003: Incorrect state
2022-04-05 15:26:35 IMP-IT0087lx chip.DIS[99597] INFO Advertise commission parameter vendorID=65521 productID=32769 discriminator=3840/15
2022-04-05 15:26:35 IMP-IT0087lx chip.DIS[99597] ERROR Failed to advertise commissioner: ../../src/lib/dnssd/Discovery_ImplPlatform.cpp:473: CHIP Error 0x00000003: Incorrect state
2022-04-05 15:26:35 IMP-IT0087lx chip.DIS[99597] INFO Delaying proxy of operational discovery: missing delegate
2022-04-05 15:26:35 IMP-IT0087lx chip.DL[99597] ERROR Avahi client failure
2022-04-05 15:26:35 IMP-IT0087lx chip.DIS[99597] ERROR DNS-SD error: ../../src/platform/Linux/DnssdImpl.cpp:405: CHIP Error 0x000000AC: Internal error
New FabricAdmin: FabricId: 1(1)
2022-04-05 15:26:35 IMP-IT0087lx root[99597] INFO SetReplKey: fabricAdmins = {'1': {'fabricId': 1}}
name 'path' is not defined
Failed to bringup CHIPDeviceController CLI
Exception ignored in: <function FabricAdmin.__del__ at 0x7fa28df59790>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/FabricAdmin.py", line 209, in __del__
    self.Shutdown(False)
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/FabricAdmin.py", line 188, in Shutdown
    if (self._isActive):
AttributeError: 'FabricAdmin' object has no attribute '_isActive'
Trace/breakpoint trap
(python_env) czena@IMP-IT0087lx:~/Documents/Others/Matter/connectedhomeip$ sudo out/python_env/bin/chip-device-ctrl 
[1649165200.415890][99632:99632] CHIP:CTL: Setting attestation nonce to random value
[1649165200.415975][99632:99632] CHIP:CTL: Setting CSR nonce to random value
[1649165200.417802][99632:99632] CHIP:DL: writing settings to file (/tmp/chip_counters.ini-vACnqU)
[1649165200.418016][99632:99632] CHIP:DL: renamed tmp file to file (/tmp/chip_counters.ini)
[1649165200.418044][99632:99632] CHIP:DL: NVS set: chip-counters/reboot-count = 6 (0x6)
[1649165200.418267][99632:99632] CHIP:DL: Got Ethernet interface: enp0s31f6
[1649165200.418466][99632:99632] CHIP:DL: Found the primary Ethernet interface:enp0s31f6
[1649165200.418676][99632:99632] CHIP:DL: Got WiFi interface: wlp1s0
[1649165200.420319][99632:99632] CHIP:DL: Found the primary WiFi interface:wlp1s0
[1649165200.420422][99632:99638] CHIP:DL: Platform main loop started.
2022-04-05 15:26:40 IMP-IT0087lx root[99632] CRITICAL Loading configuration from /tmp/chip-device-ctrl-storage.json...
2022-04-05 15:26:40 IMP-IT0087lx chip.DL[99632] INFO writing settings to file (/tmp/chip_counters.ini-gYRMIT)
2022-04-05 15:26:40 IMP-IT0087lx chip.DL[99632] ERROR renamed tmp file to file (/tmp/chip_counters.ini)
2022-04-05 15:26:40 IMP-IT0087lx chip.DL[99632] INFO NVS set: chip-counters/GlobalMCTR = 6000 (0x1770)
2022-04-05 15:26:40 IMP-IT0087lx root[99632] INFO SetSdkKey: g/gcc = b'\xd0\x07\x00\x00'
Exception ignored on calling ctypes callback function: <function _OnSyncSetKeyValueCb at 0x7f11e170a550>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 44, in _OnSyncSetKeyValueCb
    storageObj.SetSdkKey(key.decode("utf-8"), ctypes.string_at(value, size))
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 147, in SetSdkKey
    self.Sync()
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 111, in Sync
    f"Could not open {path} for writing configuration. Error:")
NameError: name 'path' is not defined
2022-04-05 15:26:40 IMP-IT0087lx root[99632] INFO SetSdkKey: g/gdc = b'\xd0\x07\x00\x00'
Exception ignored on calling ctypes callback function: <function _OnSyncSetKeyValueCb at 0x7f11e170a550>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 44, in _OnSyncSetKeyValueCb
    storageObj.SetSdkKey(key.decode("utf-8"), ctypes.string_at(value, size))
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 147, in SetSdkKey
    self.Sync()
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/storage/__init__.py", line 111, in Sync
    f"Could not open {path} for writing configuration. Error:")
NameError: name 'path' is not defined
2022-04-05 15:26:40 IMP-IT0087lx chip.ZCL[99632] INFO Using ZAP configuration...
2022-04-05 15:26:40 IMP-IT0087lx chip.DL[99632] INFO Avahi connecting
2022-04-05 15:26:40 IMP-IT0087lx chip.IN[99632] INFO CASE Server enabling CASE session setups
2022-04-05 15:26:40 IMP-IT0087lx chip.DIS[99632] INFO Updating services using commissioning mode 0
2022-04-05 15:26:40 IMP-IT0087lx chip.DIS[99632] ERROR Failed to initialize advertiser: ../../src/platform/Linux/DnssdImpl.cpp:333: CHIP Error 0x00000003: Incorrect state
2022-04-05 15:26:40 IMP-IT0087lx chip.DIS[99632] INFO Advertise commission parameter vendorID=65521 productID=32769 discriminator=3840/15
2022-04-05 15:26:40 IMP-IT0087lx chip.DIS[99632] ERROR Failed to advertise commissioner: ../../src/lib/dnssd/Discovery_ImplPlatform.cpp:473: CHIP Error 0x00000003: Incorrect state
2022-04-05 15:26:40 IMP-IT0087lx chip.DIS[99632] INFO Delaying proxy of operational discovery: missing delegate
2022-04-05 15:26:40 IMP-IT0087lx chip.DL[99632] ERROR Avahi client failure
2022-04-05 15:26:40 IMP-IT0087lx chip.DIS[99632] ERROR DNS-SD error: ../../src/platform/Linux/DnssdImpl.cpp:405: CHIP Error 0x000000AC: Internal error
New FabricAdmin: FabricId: 1(1)
2022-04-05 15:26:40 IMP-IT0087lx root[99632] INFO SetReplKey: fabricAdmins = {'1': {'fabricId': 1}}
name 'path' is not defined
Failed to bringup CHIPDeviceController CLI
Exception ignored in: <function FabricAdmin.__del__ at 0x7f11dff55790>
Traceback (most recent call last):
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/FabricAdmin.py", line 209, in __del__
    self.Shutdown(False)
  File "/home/czena/Documents/Others/Matter/connectedhomeip/out/python_env/lib/python3.8/site-packages/chip/FabricAdmin.py", line 188, in Shutdown
    if (self._isActive):
AttributeError: 'FabricAdmin' object has no attribute '_isActive'
Illegal instruction

How can I solve this ?

0 Karl Ylvisaker over 3 years ago in reply to Carla31
Hello again,

It seems to me that your Avahi deamon is not running, so the Python CHIP controller has nothing to connect to, and therefore fails.
Could you restart the deamon using:
sudo systemctl restart avahi-daemon

and then checking its status again with:
sudo systemctl status avahi-daemon

To see if it is able to get up and running?

If it does not manage to start, could you do a reinstallation of the Avahi deamon?
Alternatively we would have to look into the syslog to see why the deamon does not start.

Best regards,
Karl
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