Re: ruby for recent 2.6.1 & 2.6.2-rcX kernels?

[Svetoslav S. <sv...@gm...>]

> 
> > me wondering too :-)
> > Aivils is pretty quiet in the last month or so,
> > i checked yesterday the bk-tree and it was synced to 2.6.1rc1,
> > but it's missing most of the things added by Aivils to ruby-2.6 cvs
> 
> > (hotpluging/ 
> 
> Hotplug is being reworked to work with sysfs which I have support for in 
> my fbdev tree. I will be pushing that very shortly.

i wasn't clear 
what i ment was input /* keyboard */ configuration
using hotplug & /proc/bus/console/

how could this be done using sysfs ?

> > video-hack/ 
> 
> With sysfs this can go away. In fact with the seperation of fbcon from 
> fbdev you can instead, just build vgacon and a bunch of fbdev drivers. 
> Loading the fbdev drivers, if module, or even if it is built in will not 
> activate the graphics mode. Only if you do a set mode on /dev/fbX. You 
> will see a much better system develope. 

?
probably again didn't express myself clear
i ment the hack that tells the kernel to ignore
XFree pci/mem disable fuctions, so moe then one
X server can run at the same time

IIRC this was planed to be fixed by XFree
once ruby is merged upstream

how is sysfs related here ?
 
> > variable vc count) 
> 
> The only reason for this is to have many dummycons. With sysfs this can go

what do you mean by this ?
IMO we have a limit of 64 vc's,
if (the case with the bk tree) vc_count is fixed to 16
we have a maximum of 64/16 = 4 consoles (fb/dummy)
which IMO is pretty limiting 
( e.g. only 2 Matrox G200/ Gx50 DH or single G200/G4500 MMS QH)
whereas in combination with LTSP i could imagine a 10/16/20 headed box
which works relatively responsible

vc_count also gives you possiblity to limit the number of allocated vc's
for fb consoles (IIRC except the one that takes over vga)

if the maximum 64 is really a hardlimit, there should be a way 
to change vc_count in order to increase the number of consoles

and yes, there are already user(s) with 4 X servers running
( i know one of them :-) )

oh
and without /proc/bus/console keyboard configuration
this means only 2 displays/heads in case usb multimedia keyboards
are used

> away. Also this breaks some of the SysV console ioctls :-(

isn't it fixable ? how bad is it ?
i used to have a patch that makes config options of 
MAX_NR_USER_CONSOLES & MAX_DUMB_CONSOLES
before Aivlis implemented vc_count
 
> > and i'm not sure if it does boot 
> 
> vgacon works fine. The fbcon driver is broken but it could be fixed except
> 
> that the fbcon layer will change alot in the next few weeks.

does this mean that ruby will stay only linux-2.8/ 3.0 code
or do you plan to change the ABI in linux-2.6 ?

fbcon works in Aivils code,and it's pretty nice to
have two consoles using a single G550
 
> > so 
> > i was thinking it would be a good idea to populate a bit
> > the file area on linuxconsole.sf.net
> > IMO it would be a good idea to provide a snapshot as patch
> > (may be including the other arch changes from the bk-tree)
> > and may be even a full tarball (prepatched vanilla 2.6. smth)
> > 
> > or may be two patches:
> > one ruby-2.6 cvs and a separate patch for the other arches
> > 
> > there is one more thing,
> > IMHO the instructions how to get ruby running
> > on linuxconsole.sf.net are so obsolated that they should be dropped
> > they have some value for bruby, but nothing related to ruby,
> 
> They are outdated. Sorry. We need to migrate the new stuff of Alviss to 
> the web directory.
>

IIRC the only documentation on ruby-2.6  is to be found in
the mailing list archive
did i missed smth, can you point me to it ?

besides, IMO there is no need to explain how to compile
ruby-2.6 anymore, as there are no major differences compared
to a standard 2.6 kernel

> > > My current 2.6.0 is working fine, so it is not urgent,
> > > but I'm just curious how the more recent versions are
> > > doing :-)
> > > Any news on the framebuffer support yet? Last time I
> > > tried was not very succesfull (GeForce2 MX400 AGP &
> > > GeForce4 MX440 PCI cards).
> > > Again, just out of curiosity, I'm not depending on the
> > > feature :-)
> 
> There is a nasty bug in the rivafb driver. I still haven't fixed that 
> yet. 
> 
> > well i don't have luck with  my GeForce4 MX440 PCI (secondary),
> > even with current fbdev bk tree, it still reports 2Mb card memmory
> > (lspci returns 64Mb)
> >
> > may be arround 2.6.3, 2.6.4 the fbdev changes will be merged in mainline
> > and the problems will start to get fixed
> 
> I plan on that.

let's all hope Linus wil accept it :-)

best,

svetljo

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