With the input provided above I did some more technical digging; steep
learning curve so ;)
Seems like really the CH430G on the board in question has an issue with
power supply. Connectivity works on a Mac perfect and on other different
hardware (running Linux) it is not working.
The later
The NodeMCU Board is running without any issues using the in-kernel driver on
Linux machine.
The AZ Delivery R1D2 is not Running on the same machine without any change
other than changing boards.
Not sure how the unloading/reloding of the kernel driver is working; I‘m
not an export on module
Added dmesg and lsusb -v output (with kernel paramter mentioned in #4).
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https://bugs.launchpad.net/bugs/1915661
Title:
WDH - CH340G USB UART not supported by ch341 driver in all chip
** Attachment added: "lsusb-v_AZ-Delivery_CH430G.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915661/+attachment/5489889/+files/lsusb-v_AZ-Delivery_CH430G.txt
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** Attachment added: "dmesg_AZ-Delivery_D1R2_CH430G.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915661/+attachment/5489888/+files/dmesg_AZ-Delivery_D1R2_CH430G.txt
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** Attachment added: "dmesg_NodeMCU_Lolin_CH430G.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915661/+attachment/5489886/+files/dmesg_NodeMCU_Lolin_CH430G.txt
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** Attachment added: "lsusb-v_NodeMCU_Lolin_CH340G.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915661/+attachment/5489887/+files/lsusb-v_NodeMCU_Lolin_CH340G.txt
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Did dome more testing on a different ESP2866 board (NodeMCU Lolin V3 Module
ESP8266).
With this WCH CH340G chip and Linus standard kernel driver the communication
works fine.
With different ESP2866 board(AZDelivery D1 R2 ESP8266 12-F) Mac works
out of the box and Linux only with driver
** Summary changed:
- WDH - CH340G USB UART not support by ch341 driver
+ WDH - CH340G USB UART not supported by ch341 driver in all chip revisions
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Public bug reported:
Hi,
the USB UART chip CHG340G is used by many developer ESP2866 boards to connect
to USB serial.
The standard kernel driver des support a lot of those CH340x chipset but it
does currently not support the WDH CH340g with standard ch341 driver.
Nevertheless there exists a
Same issue here with a Lenovo Thinkpad T61 with 18.04 (standard kernel).
Seems to be that iwl3945 has an issue with having the driver feature "power
save" activated.
This might be related to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1627828
What works for me thins some weeks without
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