[REGRESSION, BISECTED] cdc-acm: problem with MCP2200

2018-08-30 Thread manio
Hello, I am using USB-UART optical serial converter [1], which is based on MCP2200. It is connected to my RaspberryPi and the other side is connected to my remeha gas boiller. My problems starts with this commit: commit a81cf9799ad7299b03a4dff020d9685f9ac5f3e0 Author: Oliver Neukum Date:

Re: CDC ACM problem

2014-03-31 Thread Martin Åkerberg
I have done some more testing now. It seems there is no problem on newer kernels. The problem seems to disappear somewhere around version 3.5. And also, I was only seeing this problem on a computer with Intel QM77 chipset. With another older computer there was no problem even with kernel version

Re: CDC ACM problem

2014-03-31 Thread Johan Hovold
On Mon, Mar 31, 2014 at 01:04:52PM +0200, Martin Åkerberg wrote: I have done some more testing now. It seems there is no problem on newer kernels. The problem seems to disappear somewhere around version 3.5. And also, I was only seeing this problem on a computer with Intel QM77 chipset.

Re: CDC ACM problem

2014-03-24 Thread Martin Åkerberg
thanks for the response, I will try to reproduce the problem on the latest mainline kernel. Regards, Martin 2014-03-22 13:21 GMT+01:00 Johan Hovold jhov...@gmail.com: On Thu, Mar 20, 2014 at 02:31:30PM +0100, Martin Åkerberg wrote: Hi Johan, You seem to be last contributor to cdc-acm

Re: CDC ACM problem

2014-03-22 Thread Johan Hovold
On Thu, Mar 20, 2014 at 02:31:30PM +0100, Martin Åkerberg wrote: Hi Johan, You seem to be last contributor to cdc-acm driver in linux. I don't know if you are the correct person to ask, or if you have the time to answer, but if not, could you point me to the correct forum? The linux-usb