Re: dumbcon settings

[Svetoslav S. <ga...@st...>]

Quoting Aivils Stoss <Aiv...@un...>:

> 
> >> I was just wondering... When I set dumbcon to a number higher than 6,
> >> the kernel goes crazy and panics... Are you aware of this problem? Is
> >> there a fix?
> 
> Current 8 consoles allowed, because has fixed /dev/tty range. Seems
> You have VGA+MDA+6dumb = 8 .
> 
> This is a bug.
> I need rewrite console driver initialization to fix it. vt_map_display()
> should return NULL and superuser may set up dumbcon=87, if do not known
> how many.
> 
> Not fixed yet. I plan _variable_ VC count per VT. After this any
> dummy console may have single /dev/ttyXX ,because do not needs for more
> and future fb_con 32 /dev/tty's. So we use same MAX_NR_CONSOLES 63 for
> all desktop stations.
> 

> 
> >can you also fix "the bug"
> 
> In the near future 2.6.XX. Right now i don't know any which will
> use 8 keyboards together.

does the attached patch look relatively OK ?
(
 adds config options for MAX_DUMB_CONSOLES & NR_USER_CONSOLES
 prints a messg in case user try to set dumb_num > MAX_DUMB_CONSOLES
 & sets dumb_num to MAX_DUMB_CONSOLES -1
)

best,

svetljo