On 2017-02-23 21:41, Donaldson Jeff wrote:
> Greetings,
>
> I'm running an Edubuntu 12.04 LTSP server and I am having an issue
> with my Fat Client image where drop down and dialog boxes appear with
> distorted graphics. These work just fine on the thin client side so I
> imagine it is a video driver problem in the chroot. The machines are
> using an Intel 4 Series Chipset Integrated Graphics Controller. I've
> tried installing the ppa:glasen/intel-driver repository and updating
> the drivers, but that has no effect. I'm at a loss as to how to get
> these to appear correctly. Any help or insight is appreciated.
>
> P.S. If it's not too much trouble, kindly reply to me as well as the
> list to ensure I don't miss any replies due to my email rules.
> Thanks!
>
> Regards,
> Jeff
Jeff
I have no experience with the Intel 4 Series Chipset Integrated
Graphics Controller so I googled it. Intel regards this as legacy
hardware so adding a ppa seems pointless.
One important place to check is to see what kernel video driver is in
play.
You report that when this client runs as a thin client all is well.
Compare which video driver is in use both when in thin client mode and
in fat client mode. If you want to see the kernel video driver use the
command lspci -knn | grep -A2 VGA in a terminal. Take care, however,
that while in fat client mode the command will apply to the client's
hardware as stated above, but when in thin client this same procedure
reports the server's kernel video driver!
If you also have the Epoptes application on your server open it and
right click on the thin client's icon and choose run -> open local admin
terminal. Then the above command will apply to the client and not the
server.
If you do not have Epoptes (but you really should add it!) see
http://wiki.ltsp.org/wiki/Troubleshooting#xterm_localapp
in order to then use the above command to see the thin client's kernel
video driver.
Please report back to the list what the above command shows in both
modes when using the stock video driver and not the ppa one.
Richard
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