[K12OSN] i810 Graphics support seems to not work on K12Linux

Moon moon at smbis.com
Fri Jan 16 15:31:05 UTC 2009

Barry, thanks for the input. I have another PC (P4 2.4G w/1G RAM) that I
set up as a K12Linux F10 32bit server. The problem is on the i386
platform as well. 

I played around with the lts.conf with no luck. As I mentioned in a
previous message there is no xorg.conf file. However, I loaded the F10
32bit regular client software on a similar workstation (same system type
as thin client) and had same issues, but it had an xorg.conf file which
I tried several modifications to that didn't help. 

Keep in mind that both the thin client based on K12LTSP boots up fine
and the workstation based  on CentOS 5.2 boot up and work fine. I tried
taking the mods I did to the lts.conf and xorg.conf files from these and
applying them to the newer F10 platforms, but it didn't help.  

I did additional research and found that there is a bug report to both
the xorg and Ubuntu teams regarding the xorg i810 bug in recent release
of xorg Intel drivers. The problem it seems is that the current version
of the xorg Intel driver does not fully recognize the i810 chipset. 

FYI: I ran the update on the K12Linux F10 32bit server last night and
now I get an 'mount RPC: Authentication error; why = Failed' and
'nfsmount: error mounting on /sysroot as
nfs: Bad file descriptor' error message.

So, it looks like the update killed the thin client boot capability... 

On Fri, 2009-01-16 at 08:30 -0600, Barry R Cisna wrote:

> Moon,
> This is just a kludge, but how about trying the i810.ko module from an
> i386 build of k12ltsp? Then just simply rename your existing i810.ko
> module to i810_x64 ,and drop in the i386 version and use your same
> XSERVER = i810 in your lts.conf file. It would be an easy try anyways.
> Beats banging your head against the wall over some of these 'behind the
> scenes' _x64 snafoos.If you don't have an i386 build of k12ltsp, I'd
> sure set this on our ftp site and you can download it.
> Let us know
> Take Care,
> Barry Cisna
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