Ubuntu LiR7 250X graphics card

AmigaOne X1000 platform specific issues related to Linux only.

Ubuntu LiR7 250X graphics card

Postby SteveH » Thu Jul 28, 2016 9:18 pm

I've been trying to play with the Ubuntu live remix DVD after an absence of some months. In the meantime, I've upgraded my graphics card to an R7 250X - and now I only get a blank screen after the Ubuntu loading screen. (The version of Ubuntu I'm trying to use is 12.04 LTS).
Is this a known problem and, if so, what flavour(s) of Linux will work with my card?
Thanks
Steve
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Re: Ubuntu LiR7 250X graphics card

Postby xeno74 » Fri Jul 29, 2016 9:14 am

SteveH wrote:I've been trying to play with the Ubuntu live remix DVD after an absence of some months. In the meantime, I've upgraded my graphics card to an R7 250X - and now I only get a blank screen after the Ubuntu loading screen. (The version of Ubuntu I'm trying to use is 12.04 LTS).
Is this a known problem and, if so, what flavour(s) of Linux will work with my card?
Thanks
Steve


Hi Steve,

You could try to boot the A-EON Live Remix DVD with the kernel 4.0.7 if you like.

Download: linux-4.0.7-livedvd.tar.bz2

Please note Jdupuis' explanation:

jdupuis wrote:Hi Christian,

Performing a 12.04 install with DVD and Kernel 4.0.7 led me to a riddle. I have tested this and determined repeatability. Know that this , at the least, gets Ubuntu 12.04 DVD loaded for an install. My finding using 4.0.7 on CF Card:

1st CFE> ramdisk -addr=0x24000000 -fs-iso atapi0.1:casper/powerpc64/initrd ( after pressing ENTER, hit up arrow to re-display statement and ENTER again, this time no error reading )
2nd CFE> setenv bootargs "root=/dev/ramdisk file-/cdrom/preseed/ubuntu.seed boot=casper - ( hit ENTER this forces verbose ) however, it seems that certain things are not started, but, it avoids the Ubuntu splash screen that locks up booting )
3rd CFE> boot -elf -noints -fatfs cf0:vmlinux-4.0.7

As stated, this method has given me successful and consistent boots with the DVD and at least provides the install capability. I am just puzzled that the Ubuntu splash screen will freeze booting everytime when booting with normal CFE Command line entries.

Booting my Ubuntu install on "sdc1", I have discovered the same thing.

1st CFE> setenv bootargs "root=/dev/sdc1 - ( ENTER ) goes into verbose
2nd CFE> boot -elf -noints -fatfs cf0:vmlinux-3.17 worked! 4.1.20 worked!
Rasterizer graphics only. No SuperTuxKart, glxgears sloow, but, the updates work and this gives a Linux install as a base to get Ubuntu Mate 16.04 installed for those with an R7 250X.

Just wondering why it works like this. I guess is what puzzles me. Just reporting an interesting finding.

Cheers!!

John


Cheers,

Christian
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http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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Re: Ubuntu LiR7 250X graphics card

Postby SteveH » Fri Jul 29, 2016 1:19 pm

Hi Steve,

You could try to boot the A-EON Live Remix DVD with the kernel 4.0.7 if you like.


Thanks, I'll give that a try. Are there any other distro's that are known to work with my card?

On an unrelated topic - I'm eventually going to boot into Linux from CF card. Is the Linux side able to see the CF card once booted (as it's a 8Gb card and so will have an unused 4Gb once formatted with FAT) or is it only visible to CFE?

Cheers,

Steve
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Re: Ubuntu LiR7 250X graphics card

Postby xeno74 » Fri Jul 29, 2016 2:04 pm

SteveH wrote:Thanks, I'll give that a try. Are there any other distro's that are known to work with my card?


Hi Steve,

Maybe ubuntu MATE but it isn't easy to install it.

SteveH wrote:On an unrelated topic - I'm eventually going to boot into Linux from CF card. Is the Linux side able to see the CF card once booted (as it's a 8Gb card and so will have an unused 4Gb once formatted with FAT) or is it only visible to CFE?


Yes, it's visible on Linux. :-)

Cheers,

Christian
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Re: Ubuntu LiR7 250X graphics card

Postby SteveH » Sat Jul 30, 2016 9:29 pm

Hi Steve,

You could try to boot the A-EON Live Remix DVD with the kernel 4.0.7 if you like.


The 4.0.7 kernel has worked for me - I'm now booting into Ubuntu.
Thanks!
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Re: Ubuntu LiR7 250X graphics card

Postby xeno74 » Sun Jul 31, 2016 12:35 am

SteveH wrote:
Hi Steve,

You could try to boot the A-EON Live Remix DVD with the kernel 4.0.7 if you like.


The 4.0.7 kernel has worked for me - I'm now booting into Ubuntu.
Thanks!


Thanks for testing! :-)
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