Quoting Svetoslav Slavtchev <ga...@st...>:
> Quoting Warren Bell <wa...@ob...>:
>
> > Hello...
> >
> > I've suddenly become frantically busy, so I apologise for my silence...
> >
> > To answer your MUCH earlier question - yes, another happy customer with
> > 3 pci NVIDIA cards and 1 AGP :)
> >
> > 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?
>
> Hi ,
>
> am, nice catch :)
> IMO(but i might be of course wrong)
> this is a bug and a missing feature,
>
> the max number for dumbcon is 7
>
> 1.) bug because the code that parses the cmdline does allow to set a bigger
> number( it should limit to the maximum alowed)
>
> 2.) and a feature (would be nice to have probably) to select the number of
> consoles per VT. currently it's hardcoded in include/linux/vt_kern.h
>
> MIN_NR_CONSOLES 1 /* must be at least 1 */
> MAX_NR_CONSOLES 63 /* serial lines start at 64 */
> MAX_NR_USER_CONSOLES 8 /* number of VCs per VT */
>
> so (1VGA +7DUMB consoles) * 8 = MAX_NR_CONSOLES
>
> if you need more dumb consoles you should try lowering MAX_NR_USER_CONSOLES
and encrease "MAX_DUMB_CONSOLES" in drivers/video/dumbcon.c ,
which currently is 8
> or may be even better:
>
> Aivils can you hack the code to alocate MIN_NR_CONSOLES for dumb consoles ?
>
> and/or add a config option for MAX_NR_USER_CONSOLES ?
>
>
> best,
>
> svetljo
>
> PS.
> Aivils are my assumptions correct ?
> can you also fix "the bug"
Aivils, shouldn't dumbcon_setup() also check for dumb_num < MAX_DUMB_CONSOLES,
and in case it's bigger to use MAX_DUMB_CONSOLES ?
best,
svetljo
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