Linux for Tegra R15 beta

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Linux for Tegra R15 beta

Postby muth » Sat Apr 28, 2012 8:23 pm

I wonder where you got the armhf binary drivers for the Tegra 2 inside Trimslice.

Well now R15 beta is out, with support for xorg ABI 11 and 12. But the NVIDIA page has it only in armel, in spite of the fact that the documentation mentions an armhf version. - Could you package that version, or post a link to your resources, since at the moment I can only use the old binary driver with the new xorg via the IgnoreABI option, which results in (rare) segfaults.

Thanks allot!
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Re: Linux for Tegra R15 beta

Postby kmihelich » Sun Apr 29, 2012 4:01 am

The drivers we have came through a special request, and recent requests for hard-float drivers have been ignored. I honestly don't see nVidia helping anytime soon, and there is nothing more we're able to do.
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Re: Linux for Tegra R15 beta

Postby macau » Sun Apr 29, 2012 3:38 pm

http://developer.download.nvidia.com/as ... armhf.tbz2
hf release, i dont tested it with arch, but guys from ubuntu told that it work now.
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Re: Linux for Tegra R15 beta

Postby kmihelich » Sun Apr 29, 2012 11:58 pm

Hell must have frozen over.. we actually got something from nVidia other than the middle finger. I'll look into getting it packaged up in the nvidia-trimslice package. I need to sort out package it replaces/conflicts with as well.
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Re: Linux for Tegra R15 beta

Postby muth » Tue May 01, 2012 12:06 pm

Nice! Works for me (only tested on ubuntu precise armhf by now).
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Re: Linux for Tegra R15 beta

Postby muth » Tue May 01, 2012 1:38 pm

Oh no! - Works better but sometimes I get the following which does halt the whole system:

Code: Select all
[mi] EQ overflowing.  Additional events will be discarded until existing events are processed.

Backtrace:
[mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[mi] mieq is *NOT* the cause.  It is a victim.
[mi] EQ overflow continuing.  100 events have been dropped.

Backtrace:
[mi] EQ overflow continuing.  200 events have been dropped.

Backtrace:
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Re: Linux for Tegra R15 beta

Postby blackstone » Sun May 06, 2012 9:54 am

Hello,

I have same problem on my Toshiba AC100 (Tegra 2) and Ubuntu Precise (armhf). :?

Code: Select all
[  2460.131] [mi] EQ overflowing.  Additional events will be discarded until existing events are processed.
[  2460.140]
Backtrace:
[  2460.142] [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[  2460.142] [mi] mieq is *NOT* the cause.  It is a victim.
[  2462.180] [mi] EQ overflow continuing.  100 events have been dropped.
[  2462.181]
Backtrace:
[  2462.785] [mi] EQ overflow continuing.  200 events have been dropped.
[  2462.785]
Backtrace:
[  2464.066] [mi] EQ overflow continuing.  300 events have been dropped.
[  2464.066]
Backtrace:
[  2566.692] [mi] EQ overflow continuing.  400 events have been dropped.
[  2566.693]
Backtrace:
[  2567.328] [mi] EQ overflow continuing.  500 events have been dropped.
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Re: Linux for Tegra R15 beta

Postby blackstone » Sun May 06, 2012 11:34 am

Hello,

Maybe I solved it :D with enabling HWCursor:

Code: Select all
    Option      "ARGBHWCursor" "true"


Insert this line into xorg.conf (in my installation of Tegra R15 package it is /usr/share/X11/xorg.conf.d/20-nvidia-tegra.conf , because /etc/X11/xorg.conf isn't recommended anymore)

Now I'm working on netbook about 1 hour without crash. Please let me know, if you have the same experience with HWCursor enabled.

Thanks

Milan
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Re: Linux for Tegra R15 beta

Postby macau » Sun May 06, 2012 5:08 pm

i dont have any crashes, but es2_gears and es2tri tell me that cant compile shaders
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Re: Linux for Tegra R15 beta

Postby dcecile » Wed Jun 13, 2012 1:10 am

On the Trimslice, I've tried installing the nVidia binary drivers, but I think there needs to be a kernel update before this will work. There's the Xorg error:

Code: Select all
[214652.718] (II) LoadModule: "tegra"
[214652.731] (WW) Warning, couldn't open module tegra
[214652.732] (II) UnloadModule: "tegra"
[214652.732] (II) Unloading tegra
[214652.732] (EE) Failed to load module "tegra" (module does not exist, 0)
[214652.732] (EE) No drivers available.


I'm running the regular linux-tegra 3.2.1-1 from the core repository, which indeed does not have the "tegra" module. The Trimslice kernel git has a tag for R15 with a few Tegra/Trimslice checkins, and "drivers/video/tegra" folder. On the other hand, the official Linux kernel git has no such folder.
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