kbdmux/syscons/vidcontrol interacts badly with X/radeon

[Ulrich Spoerlein]

Maksim Yevmenkin wrote:
> Ulrich Spoerlein wrote:
> >Hi all,
> >this pertains to 6.1-PRERELEASE and is caused by devd calling 'syscons
> >restart' on keyboard attach. More specifically it is due to allscreens_flags="-c blink 
> >80x60" in /etc/rc.conf. This will then call
> >vidcontrol and this totally screws up my X11 display (radeon driver).
> >Killing X11 will _usually_ result in a normal console, but this is not
> >always the case. Clearing allscreens_flags is also a possibile
> >workaround.
> >Also, on normal boot, vidcontrol will be called twice, once in normal
> >startup, then via kbdmux/devd/syscons restart.
> >Possible solution: Don't do a full restart, but refactor the keyboard
> >code in syscons into a separate function and only call this function.
> >I hope this can be implemented quickly and MFC'ed before 6.1. Thanks!
> 
> could you please try the attached patch?

Excellent! Please commit this. Thanks.

Ulrich Spoerlein
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