Hi
I've been using Davis Envoy + Weewx combo since 2011. About year ago I
moved Weewx from bare metal to Proxmox VM. Since that I have got ftdi
errors every 1-4 weeks that can be solved only by pulling usb-plug out and
putting it back again (for example system reboot does not restore
communication - ftdi chip needs to be actually depowered):
syslog:
Mar 12 13:59:06 keito weewx[266587] ERROR weewx.drivers.vantage: LOOP try
#1; error: Expected to read 99 chars; got 0 instead
Mar 12 13:59:10 keito weewx[266587] ERROR weewx.drivers.vantage: LOOP try
#2; error: Expected to read 99 chars; got 0 instead
Mar 12 13:59:14 keito weewx[266587] ERROR weewx.drivers.vantage: LOOP try
#3; error: Expected to read 99 chars; got 0 instead
Mar 12 13:59:18 keito weewx[266587] ERROR weewx.drivers.vantage: LOOP try
#4; error: Expected to read 99 chars; got 0 instead
Mar 12 13:59:18 keito weewx[266587] ERROR weewx.drivers.vantage: LOOP max
tries (4) exceeded.
Mar 12 13:59:18 keito weewx[266587] INFO weewx.engine: Main loop exiting.
Shutting engine down.
Mar 12 13:59:18 keito weewx[266587] INFO weewx.engine: Shutting down
StdReport thread
Mar 12 13:59:18 keito kernel: [1654776.457856] ftdi_sio ttyUSB0:
usb_serial_generic_write_bulk_callback - nonzero urb status: -71
Mar 12 13:59:18 keito kernel: [1654776.459321] ftdi_sio ttyUSB0: failed to
get modem status: -71
Mar 12 13:59:18 keito kernel: [1654776.460276] ftdi_sio ttyUSB0: error from
flowcontrol urb
Mar 12 13:59:18 keito weewx[266587] CRITICAL __main__: Caught WeeWxIOError:
Max tries exceeded while getting LOOP data.
Mar 12 13:59:18 keito weewx[266587] CRITICAL __main__: **** Waiting 60
seconds then retrying...
Mar 12 14:00:18 keito weewx[266587] INFO __main__: retrying...
Mar 12 14:00:18 keito kernel: [1654836.516473] ftdi_sio ttyUSB0:
ftdi_set_termios FAILED to set databits/stopbits/parity
Mar 12 14:00:18 keito kernel: [1654836.517516] ftdi_sio ttyUSB0:
ftdi_set_termios urb failed to set baudrate
Mar 12 14:00:18 keito weewx[266587] INFO weewx.engine: Loading station type
Vantage (weewx.drivers.vantage)
Mar 12 14:00:18 keito weewx[266587] ERROR weewx.engine: Import of driver
failed: [Errno 5] Input/output error (<class 'OSError'>)
Mar 12 14:00:18 keito kernel: [1654836.518524] ftdi_sio ttyUSB0: failed to
set flow control: -84
Mar 12 14:00:18 keito kernel: [1654836.520634] ftdi_sio ttyUSB0: failed to
set flow control: -84
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
Traceback (most recent call last):
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/share/weewx/weewx/engine.py", line 119, in setupStation
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
self.console = loader_function(config_dict, self)
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/share/weewx/weewx/drivers/vantage.py", line 40, in loader
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
return VantageService(engine, config_dict)
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/share/weewx/weewx/drivers/vantage.py", line 1916, in __init__
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
Vantage.__init__(self, **config_dict[DRIVER_NAME])
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/share/weewx/weewx/drivers/vantage.py", line 514, in __init__
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
self.port.openPort()
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/share/weewx/weewx/drivers/vantage.py", line 309, in openPort
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
self.serial_port = serial.Serial(self.port, self.baudrate,
timeout=self.timeout)
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in __init__
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
self.open()
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/lib/python3/dist-packages/serial/serialposix.py", line 343, in open
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
self._update_dtr_state()
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: **** File
"/usr/lib/python3/dist-packages/serial/serialposix.py", line 691, in
_update_dtr_state
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
fcntl.ioctl(self.fd, TIOCMBIS, TIOCM_DTR_str)
Mar 12 14:00:18 keito weewx[266587] CRITICAL weewx.engine: ****
OSError: [Errno 5] Input/output error
Mar 12 14:00:18 keito weewx[266587] CRITICAL __main__: Unable to load
driver: [Errno 5] Input/output error
Mar 12 14:00:18 keito weewx[266587] CRITICAL __main__: **** Exiting...
Mar 12 14:00:18 keito kernel: [1654836.528654] ftdi_sio ttyUSB0: failed to
get modem status: -71
Mar 12 14:00:18 keito kernel: [1654836.529720] ftdi_sio ttyUSB0: error from
flowcontrol urb
$ sudo dmesg
[1125845.535688] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now
disconnected from ttyUSB0
[1125845.535696] ftdi_sio 3-1:1.0: device disconnected
[1125848.031559] usb 3-1: new full-speed USB device number 4 using uhci_hcd
[1125848.223499] usb 3-1: New USB device found, idVendor=0403,
idProduct=6015, bcdDevice=10.00
[1125848.223504] usb 3-1: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[1125848.223505] usb 3-1: Product: FT231X USB UART
[1125848.223506] usb 3-1: Manufacturer: FTDI
[1125848.223507] usb 3-1: SerialNumber: DN031FK6
[1125848.231534] ftdi_sio 3-1:1.0: FTDI USB Serial Device converter detected
[1125848.231557] usb 3-1: Detected FT-X
[1125848.240892] usb 3-1: FTDI USB Serial Device converter now attached to
ttyUSB0
[1654776.457856] ftdi_sio ttyUSB0: usb_serial_generic_write_bulk_callback -
nonzero urb status: -71
[1654776.459321] ftdi_sio ttyUSB0: failed to get modem status: -71
[1654776.460276] ftdi_sio ttyUSB0: error from flowcontrol urb
[1654836.516473] ftdi_sio ttyUSB0: ftdi_set_termios FAILED to set
databits/stopbits/parity
[1654836.517516] ftdi_sio ttyUSB0: ftdi_set_termios urb failed to set
baudrate
[1654836.518524] ftdi_sio ttyUSB0: failed to set flow control: -84
[1654836.520634] ftdi_sio ttyUSB0: failed to set flow control: -84
[1654836.528654] ftdi_sio ttyUSB0: failed to get modem status: -71
[1654836.529720] ftdi_sio ttyUSB0: error from flowcontrol urb
Proxmox gives quite limited usb passthrough options, only usb3 forcing, but
problem remains regardless this.
Debian VM (bookworm/sid) is currently running kernel version 5.16.7 and
Proxmox 5.13.19.
Any ideas how to solve this problem? Is there command that would reset ftdi
chip communication without physical interaction? I have old RS232 interface
somewhere, mayby some other USB UART would work better? Slowing down
communication (currently as default 19200)? I had zero problems with this
adapter on bare metal, but with new server hardware (Supermicro
motherboard) I have used only VM.
Weewx version 4.7.0 (deb-package) and wee_device highlights:
$ sudo wee_device --info
Using configuration file /etc/weewx/weewx.conf
Using Vantage driver version 3.2.3 (weewx.drivers.vantage)
Querying...
Davis Vantage EEPROM settings:
CONSOLE TYPE: Vantage Pro2
CONSOLE FIRMWARE:
Date: Sep 12 2017
Version: 3.80
Thanks for all ideas, Samuli
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