kern/166866: [build] [cy] cy(4) driver breaks kernel build in 8.3

John D. Hendrickson and Sara Darnell johnandsara2 at
Fri Apr 13 14:40:33 UTC 2012

a "revision" that breaks not only software but hardware...

is CERTAINLY not a subrevision (ie, 8.3) but a major revision (ie, 9.x)

I've used "advanced TTY" and myself see 0 no null ZERO improvement.  I'd rather have the drivers 
fixed before they implement.  You know some drivers not compiling aren't the ONLY thing altered tty 

It seems somewhere around 8.2 "stable" become "free for all break whatever you please".

Eugene wrote:
> The following reply was made to PR kern/166866; it has been noted by GNATS.
> From: Eugene <eugene_ch at>
> To: bug-followup at, eugene_ch at
> Cc:  
> Subject: Re: kern/166866: [build] [cy] cy(4) driver breaks kernel build in 8.3
> Date: Fri, 13 Apr 2012 12:42:13 +0400
>  In fact, this problem is described in UPDATING:
>  20080820:
>          The TTY subsystem of the kernel has been replaced by a new      
>          implementation, which provides better scalability and an        
>          improved driver model. Most common drivers have been migrated to
>          the new TTY subsystem, while others have not. The following     
>          drivers have not yet been ported to the new TTY layer:          
>          PCI/ISA:                                                        
>                  cy, digi, rc, rp, sio                                   
>          USB:                                                            
>                  ubser, ucycom                                           
>          Line disciplines:                                               
>                  ng_h4, ng_tty, ppp, sl, snp                             
>          Adding these drivers to your kernel configuration file shall
>          cause compilation to fail.
>  But "Hardware Notes" has all this devices listed as supported.
>  Probably, this devices (except for ng_tty, which was updated in
>  20081225) must be marked as temporary unsupported until
>  their drivers were fixed.
>  Eugene                          mailto:eugene_ch at
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