Re: Line Discipline Kernel BUG when using usb-serial and mos7840 in v3.11

[Greg KH <greg@kroah.com>]

On Fri, Apr 25, 2014 at 03:09:16PM -0400, Coleman Brumley wrote:
> 
> 
> On Friday, April 25, 2014, Greg KH <greg@kroah.com> wrote:
> 
>     On Fri, Apr 25, 2014 at 11:05:54AM -0400, Coleman Brumley wrote:
>     > I'm working with a line discipline in v3.11.10.5 in Ubuntu 12.04 LTS.
>     > The kernel has been modified to use a HZ of 1000. CONFIG_HZ_1000=y and
>     > CONFIG_HZ=1000 in .config.
> 
>     3.11 is really old, can you try something that we can actually do
>     something about, like 3.14 or Linus's tree
> 
> 
> I can do that, it was just that 3.11 is what Ubuntu gave me.

We can't do anything with what Ubuntu gave you :)

>     Also, do you have a pointer to your line discipline code anywhere?
>     There's been lots of changes in the tty layer over the past year or so.
> 
> 
> Can you point me to a document that outlines the changes, or a how to for
> writing a line discipline for 3.14?

Look at the kernel changes made from your last working version to today.
It's all in our git history, no need for a "document".

best of luck,

greg k-h