GRUB2 CONFLICTING WITH GRAPHICS DRIVER

[Nuno Inacio]

So I finally got to the bottom of my problem with graphics performance that I started in Android-x86 4.0-RC2 tx2500 on a HP Touchsmart TX2 (many thx to fuzzy7k for the help) and I decided that this should have a thread on is own.

On my HP Touchsmart TX2 (1050ep) I had the graphic performance issues once installed and not from the LiveCD.

By "performance issues" I mean slow scroll and apps functioning and youtube would be jumping instead of smooth picture. To even boot the android I needed to turn off acceleration on the graphics with "nomodeset" or "radeon.modeset=0" and so when on LiveCD it was on default settings!!!

If all or some of this seems familiar to you, it's because you probably have the same problem (I've been seeing in several threads) and now I believe to happen on several hw releases of 4.0-RC2.

Once I installed "grub legacy" it was PERFECT again.

I believe that there isn't more reports because many people use virtualbox and others just think that this project is in earlier stages and dismiss it.

So we need to compile some data to be sure if this is something just with this release and/or hardware or there are more out there.

So I propose to leave in this thread the pc model and graphics and what hw release you used.

HP Touchsmart TX2 1050ep

AMD Turion X2 Ultra x64

ATI Radeon HD 3200

android-4.0-RC2_tx2500.iso

[fuzzy7k]

How did you install grub2 and what version is it? I ask because there may be something in the config file that loads an incompatible vga setting or module. I had a friend who had a black screen once grub2 loaded. That was solved by commenting out the vga= line in /etc/grub.d/... and reconfiguring grub.

I am using v1.99, installed via gentoo. I do not need to turn off modsetting in order to boot. On the tx2500.

[Nuno Inacio]

Thanks again fuzzy7k, for not given up.

It's a great idea and that would do trick but I've just been searching on my 8 config files in "/etc/grub.d" and no reference to "vga", although this files are quite a complicated...

So anyway I've attached them to this post.

 

I have grub 1.99-21ubuntu3.4 installed by (k)ubuntu 12.04(.1)

I understand that the problem with your friend was also on booting android-x86, and also with tx2500 image...!?

So what machines, you and your friend, are running?

[Nuno Inacio]

CASE SOLVED!

This thread is outdated and contains misleading information.

[Christopher Price]

Could you share what the solution was?

[Nuno Inacio]

 

Of course, Christopher, just read the 2 final posts on this thread: Android-x86 4.0-RC2 tx2500 on a HP Touchsmart TX2

[Christopher Price]

Okay, wasn't sure if you were referring to that solution. If there was any issues with GRUB2 that GRUB-legacy would fix with Radeons, that would have been useful... having some Radeon kernel/boot panic issues over here, which was why I was interested.

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[Nuno Inacio]

Wich Build and Hardware are you using?

 

Can you post here or do you  already have a open thread with the issue?